预生产
WM8753L
目录
描述.......................................................................................................1
特点............................................................................................................1
应用.....................................................................................................1
目录............................................... .......................................... 2
引脚配置 - QFN .............................................. .................................. 4
引脚配置 - BGA .............................................. ................................. 4
订购信息................................................ .................................. 4
引脚说明................................................ ................................................ 5
绝对最大额定值............................................... .......................... 6
模拟热性能............................................... .......................... 6
推荐工作条件............................................... ...... 6
电气特性................................................ ...................... 7
术语............................................................................................................ 9
PGA输出线性度............................................... ........................................ 10
信号时序要求............................................... ...................... 12
系统时钟时序............................................... ............................................ 12
MODE / GPIO3和CSB / GPIO5 LATCH在上电时序.............................. 12
音频接口时序 - 主模式............................................ ............. 13
音频接口时序 - 从模式............................................ ................ 14
控制接口时序 - 3线模式.......................................... ........... 15
控制接口时序 - 2线模式.......................................... ........... 16
内部上电复位电路............................................. ............. 17
设备描述................................................ ....................................... 18
引言......................................................................................................... 18
输入信号PATH.................................................................................................. 20
麦克风输入................................................ ............................................. 24
PGA CONTROL........................................................................................................... 28
自动电平控制（ ALC ） ............................................ ........................... 31
3D立体声增强............................................... ..................................... 34
输出信号路径............................................... ............................................... 36
ANALOGUE产出................................................ ............................................... 42
耳机开关................................................ ............................................... 46
耳机OUTPUT............................................................................................... 47
中断控制器................................................ ....................................... 48
通用输入/输出............................................. ......................... 51
数字音频接口............................................... .................................... 53
音频接口控制............................................... ................................. 58
控制接口................................................ .............................................. 62
主时钟，锁相环............................................ ............. 66
音频采样率............................................... .............................................. 69
供电器..................................................................................................... 71
电源MANAGEMENT............................................................................................. 72
注册MAP.......................................................................................................... 77
数字滤波器特性............................................... ................ 79
术语.......................................................................................................... 80
DAC，滤波器响应............................................... .......................................... 81
ADC滤波器响应............................................... .......................................... 82
VOICE滤波器响应............................................... ............................... 84
VOICE DAC滤波器响应.............................................. ............................... 84
VOICE ADC滤波器响应.............................................. ............................... 84
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PP版本3.4 2005年11月
2
QQ：2880707522 复制
