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位置:首页 > IC型号导航 > 首字符C型号页 > 首字符C的型号第1172页 > CS44800-CQZR
CS44800
8通道数字放大器控制器
特点
!
> 100分贝动态范围 - 系统级
!
< 0.03 %的THD + N @ 1 W - 系统级
!
32 kHz至192 kHz的采样率
!
内部振荡器电路支持24.576兆赫
!
PWM PopGuard
对于单端模式
!
消除AM频率干扰
!
可编程负载补偿滤波器
!
最多支持40 kHz的音频带宽
!
数字音量控制与软斜坡
到54 MHz的晶体
!
集成的采样率转换器( SRC )
0.25 dB步长24到-127分贝
消除时钟抖动的影响
输入采样率独立操作
!
每通道可编程峰值检测和
!
SPI和IC主机控制接口
!
独立的2.5 V至5.0 V串行端口和主机
!
电源抑制实时反馈
!
扩频调制 - 减少
调制能源
控制端口用品
PS_SYNC
XTI
XTO
SYS_CLK
DAI_MCLK
DAI_SCLK
DAI_LRCK
DAI_SDIN1
DAI_SDIN2
DAI_SDIN3
DAI_SDIN4
/限幅器
串行
PORT
SRC
/限幅器
多位
Σ
调制器
多位
Σ
调制器
汽车Fs的
检测
PWM
时钟
控制
XTAL
动力
供应
拒绝
/限幅器
/限幅器
多位
Σ
调制器
多位
Σ
调制器
PWM
转变
PWM
转变
PWM
转变
PWM
转变
PSR_RESET
PSR_EN
PSR_MCLK
PSR_SYNC
PSR_DATA
PWMOUTA1+
PWMOUTA1-
PWMOUTB1+
PWMOUTB1-
PWMOUTA2+
PWMOUTA2-
PWMOUTB2+
PWMOUTB2-
PWMOUTA3+
PWMOUTA3-
PWMOUTB3+
PWMOUTB3-
PWMOUTA4+
PWMOUTA4-
PWMOUTB4+
PWMOUTB4-
MUTE(静音)
SCL / CCLK
SDA / CDOUT
AD1/CDIN
AD0/CS
RST
INT
SPI / I
2
C主机
控制端口
PWM
后台
控制/
状态
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
基本产品信息
http://www.cirrus.com
本文档中包含的信息为新的产品。
Cirrus Logic公司保留修改本产品,恕不另行通知。
版权
Cirrus Logic公司, 2005年公司
(版权所有)
MAY '05
DS632PP1
CS44800
概述
该CS44800是一种多通道数字 - PWM型D类音频系统控制器包括插值,采样速率
在一个64引脚LQFP封装的转换,半桥和全桥PWM驱动器输出,以及电源抑制反馈封装
随年龄结构采用直接到数字的方法,保持数字信号的完整性,以最终输出滤波器,
减少模拟干扰而影响系统的性能产生负面影响。
该CS44800集成了片上数字音量控制,峰值检测与限幅器,去加重和7 GPIO的,从而允许
荷兰国际集团轻松连接到许多常用的功率级。在PWM放大器可实现大于90%的
效率。这个效率提供了更小的器件封装,更少的散热要求,以及更小的功率
耗材。
该CS44800是理想的音频系统,要求宽动态范围,高保真和低噪音,如
A / V接收机, DVD接收机,数字扬声器和车载音响系统。
订购信息
产品
CS44800
CS44800
CS44800
CS44800
CDB44800
CRD44800
CRD44800-ST-FB
CRD44600-PH-FB
描述
8通道数字放大器
调节器
8通道数字放大器
调节器
8通道数字放大器
调节器
8通道数字放大器
调节器
CS44600 / 800评价
8X50 W半桥
参考设计板
8x60 W全桥
参考设计板
2×100瓦全桥
参考设计板
无铅
温度范围集装箱
LQFP
LQFP
LQFP
LQFP
-
-
-
-
是的
是的
是的
是的
-
-
-
-
-10 °至+ 70°C
-10 °至+ 70°C
-40 °C至+ 85°C
-40 °C至+ 85°C
-
-
-
-
磁带和
REEL
磁带和
REEL
-
-
-
-
订单#
CS44800-CQZ
CS44800-CQZR
CS44800-DQZ
CS44800-DQZR
CDB44800
CRD44800
CRD44800-ST-FB
CRD44600-PH-FB
2
DS632PP1
CS44800
目录
1.特性和规范............................................. ........................... 8
指定的运行条件............................................... ....................................... 8
绝对最大额定值............................................... .................................................. 8
DC电气特性............................................... ......................................... 9
数字接口特性............................................... .................................. 9
PWM输出性能特性.............................................. ............... 10
PWM滤波特性............................................... ............................................. 11
开关特性 - XTI .............................................. ....................................... 11
开关特性 - SYS_CLK .............................................. ............................ 12
开关特性 - PWMOUTA1 -B4 ............................................ .................... 12
开关特性 - PS_SYNC .............................................. ............................ 12
开关特性 - 戴接口............................................. .................. 13
开关特性 - 控制端口 - IC格式...................................... 14
开关特性 - 控制端口 - SPI格式..................................... 15
2.引脚说明............................................................................................................. 16
2.1 I / O引脚特性............................................ .................................................. .... 20
3.典型连接图
....................................................................... 21
4.应用..................................................................................................................... 23
4.1概述.......................................................................................................................... 23
4.2功能集概述..................................................................................................... 23
4.3时钟发生器............................................................................................................. 24
4.3.1 FSIN域时钟............................................ ............................................. 25
4.3.2 FSOUT域时钟............................................ .......................................... 25
4.4 FSIN时钟域模块............................................. ............................................... 27
4.4.1数字音频输入接口........................................... ............................................ 27
4.4.2自动速率检测............................................ .................................................. ... 31
4.4.3去加重...................................................................................................... 31
4.5 FSOUT时钟域模块............................................. ............................................ 32
4.5.1采样速率转换器............................................ .......................................... 32
4.5.2负载补偿滤波器............................................ ....................................... 32
4.5.3数字音量和静音控制.......................................... .............................. 32
4.5.4峰值检测器/限幅........................................... ................................................ 33
4.5.5 PWM引擎..................................................................................................... 33
4.5.6插值滤波器............................................. .................................................. 34
4.5.7量化............................................................................................................ 34
4.5.8调制器............................................................................................................ 34
4.5.9 PWM输出...................................................................................................... 34
4.5.10电源抑制( PSR )的实时反馈..................................... 35 ..
4.6控制端口的描述和时序............................................ .................................... 36
4.6.1 SPI模式............................................................................................................ 36
4.6.2 IC模式............................................................................................................. 37
4.6.3个GPIO ................................................................................................................. 38
4.6.4主机中断...................................................................................................... 38
5.电源,接地和PCB LAYOUT ........................................ ................. 39
5.1复位和供电....................................................................................................... 42
5.1.1 PWM的Popguard瞬态控制.......................................... ......................... 42
5.1.2推荐的上电顺序.......................................... ....................... 42
5.1.3推荐PSR校准过程........................................... ............ 43
5.1.4推荐断电顺序.......................................... ................... 44
6.注册快速参考............................................. ............................................. 45
7.寄存器描述.............................................. .................................................. .... 49
7.1存储器地址指针( MAP) ........................................... ........................................... 49
DS632PP1
3
CS44800
7.1.1递增(增量) ........................................... .................................................. ... 49
7.1.2存储器地址指针( MapX控件) ......................................... .............................. 49
7.2 CS44800内径和修订寄存器(地址01H ) (只读) ................................... 49
7.2.1芯片内径( Chip_IDx ) .............................. ............................................. 49
7.2.2芯片版本( Rev_IDx ) .......................................... ........................................... 49
7.3时钟配置和电源控制(地址02H ) ........................................ ........... 50
7.3.1启用SYS_CLK输出( EN_SYS_CLK ) ......................................... ................ 50
7.3.2 SYS_CLK时钟分频器设置( SYS_CLK_DIV [ 1 : 0 ] ) ................................... 50 ..
7.3.3 PWM主控时钟分频器设置( PWM_MCLK_DIV [ 1 : 0 ] ) ............................ 50
7.3.4掉电XTAL ( PDN_XTAL ) ......................................... ............................... 50
7.3.5掉电输出模式( PDN_OUTPUT_MODE ) ........................................ 。 51
7.3.6掉电( PDN ) .......................................... .................................................. 。 51
7.4 PWM通道掉电控制(地址03H ) ........................................ ................ 51
7.4.1掉电PWM通道( PDN_PWMB4 : PDN_PWMA1 ) ............................ 51
7.5其它。配置(地址04H ) ............................................. ...................................... 52
7.5.1数字接口格式( DIFX ) ......................................... .................................. 52
7.5.2 AM跳频( AM_FREQ_HOP ) ......................................... ............... 52
7.5.3冻结控制( FREEZE ) .......................................... ....................................... 52
7.5.4去加重控制( DEM [ 1 : 0 ] ) ................................... .................................... 53
7.6斜坡配置(地址05H ) ........................................... ...................................... 53
7.6.1斜坡向上/向下设置( RAMP [ 1 : 0 ] ) ................................. ............................... 53
7.6.2斜坡速度( RAMP_SPD [1 :0]) ..................................... .................................... 53
7.7音量控制配置(地址06H ) .......................................... ........................ 54
7.7.1单音量控制( SNGVOL ) ......................................... ............................. 54
7.7.2软斜坡和零交叉控制( SZC [ 1 : 0 ] ) ................................. .................. 54
7.7.3启用占空比为50%的静音条件( MUTE_50 / 50 ) ............................... 54
在接口错误( SRD_ERR ) 7.7.4软斜坡向下..................................... ......... 55
回收的接口错误( SRU_ERR ) ............... 55 7.7.5软斜坡向上
7.7.6自动静音( AMUTE ) ......................................... .................................................. 55
7.8主音量控制 - 整数(地址07H) ........................................ ...................... 56
7.8.1主音量控制 - 整数( MSTR_IVOL [ 7 : 0 ] ) ................................. ........ 56
7.9主音量控制 - 分数(地址08H ) ........................................ ..................... 56
7.9.1主音量控制 - 分数( MSTR_FVOL [ 1 : 0 ] ) ................................. ..... 56
7.10 XX频道音量控制 - 整数(地址09H - 10H ) ..................................... .. 58
7.10.1声道音量控制 - 整数( CHXx_IVOL [ 7 : 0 ] ) ................................. .... 58
7.11道XX音量控制1 - 分数(地址11H ) ....................................... ....... 58
7.12道XX音量控制2 - 分数(地址12H ) ....................................... ......... 58
7.12.1声道音量控制 - 分数( CHXX_FVOL [ 1 : 0 ] ) ................................. 。 58
7.13通道静音(地址13H ) ........................................... .............................................. 59
7.13.1独立通道静音( CHXX_MUTE ) ......................................... ............ 59
7.14通道反转(地址14H) ........................................... ............................................. 59
7.14.1反转信号极性( CHXX_INV ) ......................................... ........................... 59
7.15峰值限制器控制寄存器(地址15H) ......................................... ...................... 60
7.15.1峰值信号限制所有通道( LIMIT_ALL ) ....................................... ............. 60
7.15.2峰值信号限幅器启用( LIMIT_EN ) ........................................ ................... 60
7.16限制器攻击率(地址16H) .......................................... ...................................... 60
7.16.1攻击速度(独的[ 7 : 0 ] ) ..................................... ............................................ 60
7.17限制器释放速率(地址17H) .......................................... ................................. 61
7.17.1释放速率( RRATE [ 7 : 0 ] ) ..................................... ......................................... 61
7.18 CHNL XX负载补偿滤镜 - 粗调
(地址18H,为1Ah ,代上, 1EH , 20H , 22H ,24H , 26H ) ................................ ................. 61
7.18.1信道补偿滤镜 - 粗调( CHXX_CORS [ 5 : 0 ] ) ................. 61
7.19 CHNL XX负载补偿过滤器 - 微调
(地址19H, 1BH , 1DH , 1Fh的, 21H , 23H , 25H , 27H ) ................................ .................. 62
4
DS632PP1
CS44800
7.19.1信道补偿过滤器 - 微调( CHXX_FINE [ 5 : 0 ] ) ........................ 62
7.20中断模式控制(地址28H ) .......................................... ................................. 62
7.20.1中断引脚控制( INT1 / INT0 ) ....................................... ............................... 62
7.20.2溢出电平/边沿选择( OVFL_L / E) ..................................... ..................... 63
7.21中断屏蔽(地址29H ) ........................................... ............................................. 63
7.22中断状态(地址2AH ) (只读) ....................................... .......................... 63
7.22.1 SRC解锁中断( SRC_UNLOCK ) ......................................... ................... 63
7.22.2 SRC锁定中断( SRC_LOCK ) ......................................... ............................ 64
7.22.3斜坡上升结束中断( RMPUP_DONE ) ....................................... ........ 64
7.22.4斜坡向下完成中断( RMPDN_DONE ) ....................................... ... 64
7.22.5静音完成中断( Mute_DONE ) ......................................... .................. 64
7.22.6渠道过流中断( OVFL_INT ) ........................................ ................ 64
7.22.7 GPIO中断状态( GPIO_INT ) ......................................... ..................... 64
7.23道过流状态(地址2Bh个) (只读) ..................................... ............ 65
7.23.1 ChXX_OVFL ..................................................................................................... 65
7.24 GPIO引脚输入/输出(地址2CH) ........................................ ............................................. 65
7.24.1 GPIO输入/输出选择( GPIOX_I / O) ..................................... ............................ 65
7.25 GPIO引脚极性/类型(地址2DH ) ........................................ .................................. 65
7.25.1 GPIO极性/类型选择( GPIOX_P / T) ..................................... ................ 65
7.26 GPIO引脚电平/边沿触发(地址2Eh)执行....................................... .......................... 66
7.26.1 GPIO电平/边沿敏感输入( GPIOX_L / E) .................................... ........... 66
7.27 GPIO状态寄存器(地址2Fh的) .......................................... ................................... 66
7.27.1 GPIO引脚状态( GPIOX_STATUS ) ......................................... ........................ 66
7.28 GPIO中断屏蔽寄存器(地址30H) ......................................... ....................... 67
7.28.1 GPIO引脚中断屏蔽( M_GPIOX ) ........................................ ....................... 67
7.29 PWM配置寄存器(地址31H ) .......................................... ....................... 67
7.29.1过采样率选择( OSRATE ) ........................................ .................. 67
7.29.2通道A1和B1输出配置( A1 / B1_OUT_CNFG ) .................... 67
7.29.3通道A2和B2输出配置( A2 / B2_OUT_CNFG ) .................... 67
7.29.4通道A3输出配置( A3_OUT_CNFG ) ....................................... 68
7.29.5通道B3输出配置( B3_OUT_CNFG ) ....................................... 68
7.29.6通道A4和B4输出配置( A4 / B4_OUT_CNFG ) .................... 68
7.30 PWM最小脉冲宽度寄存器(地址32H ) ........................................ ............ 68
7.30.1禁用PWMOUTXX - 信号( DISABLE_PWMOUTXX- ) ................................ 68
7.30.2最小PWM输出脉冲设置( MIN_PULSE [ 4 : 0 ] ) ............................... 69
7.31 PWMOUT延迟寄存器(地址33H ) .......................................... ............................ 69
7.31.1差分信号延迟( DIFF_DLY [2 :0]) .................................... .................... 69
7.31.2通道延迟设置( CHNL_DLY [ 4 : 0 ] ) .................................... .................. 69
7.32 PSR和电源配置(地址34H ) ........................................ ............ 72
7.32.1电源抑制启用( PSR_EN ) ........................................ .............. 72
7.32.2电源抑制复位( PSR_RESET ) ........................................ ......... 73
7.32.3电源抑制反馈使能( FEEDBACK_EN ) ......................... 73
7.32.4电源同步时钟分频器设置( PS_SYNC_DIV [ 2 : 0 ] ) ................... 73
7.33抽取器移位/缩放(地址35H , 36H , 37H ) ..................................... .................... 73
7.33.1抽取器移位( DEC_SHIFT [ 2 : 0 ] ) ..................................... .............................. 73
7.33.2抽取器量表( DEC_SCALE [18 :0]) ..................................... ......................... 74
7.34抽取器OUTD (地址3BH ,三通遥控,为3Dh ) ....................................... .......................... 74
7.34.1抽取器OUTD ( DEC_OUTD [ 23 : 0 ] ) ..................................... ............................ 74
8.参数定义.............................................. .................................................. 75 ..
9.参考文献: ........................................................................................................................ 77
10.包装尺寸
........................................................................................... 78
11.热特性.............................................. ........................................... 79
12.修订历史............................................................................................................ 80
DS632PP1
5
CS44800
8通道数字放大器控制器
特点
> 100分贝动态范围 - 系统级
< 0.03 %的THD + N @ 1 W - 系统级
32 kHz至192 kHz的采样率
内部振荡器电路支持24.576兆赫
到54 MHz的晶体
集成的采样率转换器( SRC )
- 消除了时钟抖动的影响
- 输入采样率独立操作
电源抑制实时反馈
扩频调制 - 降低EMI
PWM PopGuard
对于单端模式
消除AM频率干扰
可编程负载补偿滤波器
最多支持40 kHz的音频带宽
数字音量控制与软斜坡
- +24至-127 dB的0.25 dB步长
每通道可编程峰值检测和
SPI 和IC
主机控制接口
独立的2.5 V至5.0 V串行端口和主机
控制端口用品
PS_SYNC
XTI
XTO
SYS_CLK
DAI_MCLK
DAI_SCLK
DAI_LRCK
DAI_SDIN1
DAI_SDIN2
DAI_SDIN3
DAI_SDIN4
/限幅器
串行
PORT
SRC
/限幅器
多位
Σ
调制器
多位
Σ
调制器
汽车Fs的
检测
PWM
时钟
控制
XTAL
动力
供应
拒绝
/限幅器
/限幅器
多位
Σ
调制器
多位
Σ
调制器
PWM
转变
PWM
转变
PWM
转变
PWM
转变
PSR_RESET
PSR_EN
PSR_MCLK
PSR_SYNC
PSR_DATA
PWMOUTA1+
PWMOUTA1-
PWMOUTB1+
PWMOUTB1-
PWMOUTA2+
PWMOUTA2-
PWMOUTB2+
PWMOUTB2-
PWMOUTA3+
PWMOUTA3-
PWMOUTB3+
PWMOUTB3-
PWMOUTA4+
PWMOUTA4-
PWMOUTB4+
PWMOUTB4-
MUTE(静音)
SCL / CCLK
SDA / CDOUT
AD1/CDIN
AD0/CS
RST
INT
SPI / I
2
C主机
控制端口
PWM
后台
控制/
状态
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
http://www.cirrus.com
版权
Cirrus Logic公司, 2006年公司
(版权所有)
三月'06
DS632F1
CS44800
概述
该CS44800是一种多通道数字 - PWM型D类音频系统控制器包括插值,采样速率
在一个64引脚LQFP封装的转换,半桥和全桥PWM驱动器输出,以及电源抑制反馈封装
随年龄结构采用直接到数字的方法,保持数字信号的完整性,以最终输出滤波器,
减少模拟干扰而影响系统的性能产生负面影响。
该CS44800集成了片上数字音量控制,峰值检测与限幅器,去加重和7 GPIO的,从而允许
荷兰国际集团轻松连接到许多常用的功率级。在PWM放大器可实现大于90%的
效率。这个效率提供了更小的器件封装,更少的散热要求,以及更小的功率
耗材。
该CS44800是理想的音频系统,要求宽动态范围,高保真和低噪音,如
A / V接收机, DVD接收机,数字扬声器和车载音响系统。
2
DS632F1
CS44800
目录
1.特性和规范............................................. ......................................... 8
指定的运行条件............................................... ............................................... 8
绝对最大额定值........................................................................................................ 8
DC电气特性............................................... ................................................ 9
数字接口特性............................................... ......................................... 9
PWM输出性能特性.............................................. ...................... 10
PWM滤波特性............................................... .................................................. .. 11
开关特性 - XTI .............................................. .............................................. 11
开关特性 - SYS_CLK .............................................. .................................... 12
开关特性 - PWMOUTA1 -B4 ............................................ ........................... 12
开关特性 - PS_SYNC .............................................. ................................... 12
开关特性 - 戴接口............................................. ......................... 13
开关特性 - 控制端口 - IC格式.......................................... ... 14
开关特性 - 控制端口 - SPI格式.......................................... 15 ..
2.引脚说明........................................................................................................................... 16
2.1 I / O引脚特性................................................................................................................ 20
3.典型连接图
..................................................................................... 21
4.应用................................................................................................................................... 23
4.1概述....................................................................................................................................... 23
4.2功能集概述................................................................................................................... 23
4.3时钟发生器........................................................................................................................... 24
4.3.1 FSIN域时钟.......................................................................................................... 25
4.3.2 FSOUT域时钟........................................................................................................ 25
4.4 FSIN时钟域模块......................................................................................................... 27
4.4.1数字音频输入接口......................................................................................................... 27
4.4.2自动侦测率.................................................................................................................. 31
4.4.3去加重........................................................................................................................ 31
4.5 FSOUT时钟域模块....................................................................................................... 32
4.5.1采样速率转换器........................................................................................................ 32
4.5.2负载补偿滤波器............................................ .................................................. ...... 32
4.5.3数字音量和静音控制.......................................... ................................................ 32
4.5.4峰值检测器/限制器............................................................................................................ 33
4.5.5 PWM引擎....................................................................................................................... 33
4.5.6插值滤波器................................................................................................................. 34
4.5.7量化.............................................................................................................................. 34
4.5.8调制器............................................................................................................................. 34
4.5.9 PWM输出....................................................................................................................... 34
4.5.10电源抑制( PSR )的实时反馈..................................... ................... 35
4.6控制端口的描述和时序............................................ ................................................. 36
4.6.1 SPI模式.............................................................................................................................. 36
4.6.2 IC模式............................................................................................................................... 37
4.6.3个GPIO ................................................................................................................................... 38
4.6.4主机中断........................................................................................................................ 38
5.电源,接地和PCB LAYOUT ........................................ ............................... 39
5.1复位和供电..................................................................................................................... 42
5.1.1 PWM的Popguard瞬态控制.......................................... .......................................... 42
5.1.2推荐的上电顺序.......................................... ......................................... 42
5.1.3推荐PSR校准过程........................................... ............................. 43
5.1.4推荐断电顺序.......................................... .................................... 44
6.注册快速参考........................................................................................................ 46
7.寄存器描述.................................................................................................................. 50
7.1存储器地址指针( MAP) ........................................... .................................................. ....... 50
DS632F1
3
CS44800
7.1.1递增(增量) ................................................................................................................. 50
7.1.2存储器地址指针( MapX控件) ......................................... ................................................ 50
7.2 CS44800内径和修订寄存器(地址01H ) (只读) ....................................... .......... 50
7.2.1芯片内径( Chip_IDx ) ............................................................................................................. 50
7.2.2芯片版本( Rev_IDx ) ...................................................................................................... 50
7.3时钟配置和电源控制(地址02H ) ........................................ ......................... 51
7.3.1启用SYS_CLK输出( EN_SYS_CLK ) ......................................... .................................. 51
7.3.2 SYS_CLK时钟分频器设置( SYS_CLK_DIV [ 1 : 0 ] ) ................................... .................... 51
7.3.3 PWM主控时钟分频器设置( PWM_MCLK_DIV [ 1 : 0 ] ) ................................. ........... 51
7.3.4掉电XTAL ( PDN_XTAL ) ......................................... ................................................ 51
7.3.5掉电输出模式( PDN_OUTPUT_MODE ) ........................................ ................... 52
7.3.6掉电( PDN ) .............................................................................................................. 52
7.4 PWM通道掉电控制(地址03H ) ........................................ .............................. 52
7.4.1掉电PWM通道( PDN_PWMB4 : PDN_PWMA1 ) ..................................... ....... 52
7.5其它。配置(地址04H ) ............................................. .................................................. 。 53
7.5.1数字接口格式( DIFX ) ......................................... .................................................. .. 53
7.5.2 AM跳频( AM_FREQ_HOP ) ......................................... ................................ 53
7.5.3冻结控制( FREEZE ) .......................................... .................................................. ...... 53
7.5.4去加重控制( DEM [ 1 : 0 ] ) ................................... .................................................. .... 54
7.6斜坡配置(地址05H ) ........................................... .................................................. .. 54
7.6.1斜坡向上/向下设置( RAMP [ 1 : 0 ] ) ................................. ................................................. 54
7.6.2斜坡速度( RAMP_SPD [1 :0]) ..................................... .................................................. ... 54
7.7音量控制配置(地址06H ) .......................................... ...................................... 55
7.7.1单音量控制( SNGVOL ) ......................................... .............................................. 55
7.7.2软斜坡和零交叉控制( SZC [ 1 : 0 ] ) ................................. .................................... 55
7.7.3启用占空比为50%的静音条件( MUTE_50 / 50 ) ................................. ............... 55
在接口错误( SRD_ERR ) 7.7.4软斜坡向下..................................... ........................... 56
回收的接口错误( SRU_ERR ) 7.7.5软斜坡向上.................................... ............... 56
7.7.6自动静音( AMUTE ) ............................................................................................................. 56
7.8主音量控制 - 整数(地址07H) ........................................ .................................... 57
7.8.1主音量控制 - 整数( MSTR_IVOL [ 7 : 0 ] ) ................................. .......................... 57
7.9主音量控制 - 分数(地址08H ) ........................................ .................................. 57
7.9.1主音量控制 - 分数( MSTR_FVOL [ 1 : 0 ] ) ................................. ....................... 57
7.10 XX频道音量控制 - 整数(地址09H - 10H ) ..................................... ................ 59
7.10.1声道音量控制 - 整数( CHXx_IVOL [ 7 : 0 ] ) ................................. ...................... 59
7.11道XX音量控制1 - 分数(地址11H ) ....................................... ..................... 59
7.12道XX音量控制2 - 分数(地址12H ) ....................................... ....................... 59
7.12.1声道音量控制 - 分数( CHXX_FVOL [ 1 : 0 ] ) ................................. .................. 59
7.13通道静音(地址13H ) ....................................................................................................... 60
7.13.1独立通道静音( CHXX_MUTE ) ......................................... .............................. 60
7.14通道反转(地址14H) ...................................................................................................... 60
7.14.1反转信号极性( CHXX_INV ) ......................................... ............................................ 60
7.15峰值限制器控制寄存器(地址15H) ......................................... .................................... 61
7.15.1峰值信号限制所有通道( LIMIT_ALL ) ....................................... ............................... 61
7.15.2峰值信号限幅器启用( LIMIT_EN ) ........................................ ..................................... 61
7.16限制器攻击率(地址16H) .......................................... .................................................. .. 61
7.16.1攻击速度(独的[ 7 : 0 ] ) ..................................... .................................................. ........... 61
7.17限制器释放速率(地址17H) .......................................... ............................................... 62
7.17.1释放速率( RRATE [ 7 : 0 ] ) ..................................... .................................................. ........ 62
7.18 CHNL XX负载补偿滤镜 - 粗调
(地址18H,为1Ah ,代上, 1EH , 20H , 22H ,24H , 26H ) ................................ ........................................ 62
7.18.1信道补偿滤镜 - 粗调( CHXX_CORS [ 5 : 0 ] ) ................................. 。 62
7.19 CHNL XX负载补偿过滤器 - 微调
(地址19H, 1BH , 1DH , 1Fh的, 21H , 23H , 25H , 27H ) ................................ ......................................... 63
4
DS632F1
CS44800
7.19.1信道补偿过滤器 - 微调( CHXX_FINE [ 5 : 0 ] ) ................................. ........ 63
7.20中断模式控制(地址28H ) .......................................... ............................................... 63
7.20.1中断引脚控制( INT1 / INT0 ) ....................................... ................................................ 63
7.20.2溢出电平/边沿选择( OVFL_L / E) ..................................... ...................................... 64
7.21中断屏蔽(地址29H ) ...................................................................................................... 64
7.22中断状态(地址2AH ) (只读) ....................................... ........................................ 64
7.22.1 SRC解锁中断( SRC_UNLOCK ) ......................................... ..................................... 64
7.22.2 SRC锁定中断( SRC_LOCK ) ......................................... ............................................. 65
7.22.3斜坡上升结束中断( RMPUP_DONE ) ....................................... .......................... 65
7.22.4斜坡向下完成中断( RMPDN_DONE ) ....................................... ..................... 65
7.22.5静音完成中断( Mute_DONE ) ......................................... .................................... 65
7.22.6渠道过流中断( OVFL_INT ) ........................................ .................................. 65
7.22.7 GPIO中断状态( GPIO_INT ) ......................................... ....................................... 65
7.23道过流状态(地址2Bh个) (只读) ..................................... ......................... 66
7.23.1 ChXX_OVFL ....................................................................................................................... 66
7.24 GPIO引脚输入/输出(地址2CH) ........................................ .................................................. ......... 66
7.24.1 GPIO输入/输出选择( GPIOX_I / O) ..................................... ............................................. 66
7.25 GPIO引脚极性/类型(地址2DH ) ........................................ ............................................... 66
7.25.1 GPIO极性/类型选择( GPIOX_P / T) ..................................... ................................. 66
7.26 GPIO引脚电平/边沿触发(地址2Eh)执行....................................... ....................................... 67
7.26.1 GPIO电平/边沿敏感输入( GPIOX_L / E) .................................... ............................. 67
7.27 GPIO状态寄存器(地址2Fh的) .......................................... ................................................ 67
7.27.1 GPIO引脚状态( GPIOX_STATUS ) ......................................... ......................................... 67
7.28 GPIO中断屏蔽寄存器(地址30H) ......................................... ..................................... 68
7.28.1 GPIO引脚中断屏蔽( M_GPIOX ) ........................................ ......................................... 68
7.29 PWM配置寄存器(地址31H ) .......................................... ..................................... 68
7.29.1过采样率选择( OSRATE ) ........................................ .................................... 68
7.29.2通道A1和B1输出配置( A1 / B1_OUT_CNFG ) .................................... 68
7.29.3通道A2和B2输出配置( A2 / B2_OUT_CNFG ) .................................... 68
7.29.4通道A3输出配置( A3_OUT_CNFG ) ........................................ ................. 69
7.29.5通道B3输出配置( B3_OUT_CNFG ) ........................................ ................. 69
7.29.6通道A4和B4输出配置( A4 / B4_OUT_CNFG ) .................................... 69
7.30 PWM最小脉冲宽度寄存器(地址32H ) ........................................ ......................... 69
7.30.1禁用PWMOUTXX - 信号( DISABLE_PWMOUTXX- ) ....................................... .......... 69
7.30.2最小PWM输出脉冲设置( MIN_PULSE [ 4 : 0 ] ) ................................. ............... 70
7.31 PWMOUT延迟寄存器(地址33H ) .......................................... ......................................... 70
7.31.1差分信号延迟( DIFF_DLY [2 :0]) .................................... ...................................... 70
7.31.2通道延迟设置( CHNL_DLY [ 4 : 0 ] ) .................................... .................................... 70
7.32 PSR和电源配置(地址34H ) ........................................ ......................... 73
7.32.1电源抑制启用( PSR_EN ) ........................................ ............................... 73
7.32.2电源抑制复位( PSR_RESET ) ........................................ .......................... 74
7.32.3电源抑制反馈使能( FEEDBACK_EN ) ....................................... .... 74
7.32.4电源同步时钟分频器设置( PS_SYNC_DIV [ 2 : 0 ] ) ................................. .... 74
7.33抽取器移位/缩放(地址35H , 36H , 37H ) ..................................... .................................. 74
7.33.1抽取器移位( DEC_SHIFT [ 2 : 0 ] ) ..................................... ................................................ 74
7.33.2抽取器量表( DEC_SCALE [18 :0]) ..................................... .......................................... 75
7.34抽取器OUTD (地址3BH ,三通遥控,为3Dh ) ....................................... ........................................ 75
7.34.1抽取器OUTD ( DEC_OUTD [ 23 : 0 ] ) ..................................... ............................................. 75
8.参数定义................................................................................................................ 76
9.参考文献: ...................................................................................................................................... 77
10.包装尺寸
......................................................................................................... 78
11.热特性....................................................................................................... 79
12.订购信息.............................................................................................................. 79
13.修订历史.......................................................................................................................... 79
DS632F1
5
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