生产数据
WM8983
目录
描述....................................................................................................... 1
特点............................................................................................................ 1
应用..................................................................................................... 1
框图................................................ ................................................. 2
目录............................................... .......................................... 3
PIN CONFIGURATION...........................................................................................五
订购信息................................................ .................................. 5
引脚说明................................................ ................................................ 6
绝对最大额定值............................................... .......................... 7
推荐工作条件............................................... ...... 7
电气特性................................................ ...................... 8
术语.......................................................................................................... 13
扬声器输出总谐波失真与功率关系............................................. ......... 14
耗电量................................................ .................................... 16
典型SCENARIOS................................................................................................ 16
AUDIO PATHS概述............................................... ......................................... 17
信号时序要求............................................... ...................... 18
系统时钟时序............................................... ............................................ 18
音频接口时序 - 主模式............................................ ............ 18
音频接口时序 - 从模式............................................ ................ 19
控制接口时序 - 3线模式.......................................... ........... 20
控制接口时序 - 2线模式.......................................... ........... 21
内部上电复位电路............................................. ............. 22
推荐的上电/掉电序列............................................ ....... 24
推荐的L / ROUT1使能序列............................................ ........ 27
设备描述................................................ ....................................... 28
介绍......................................................................................................... 28
输入信号路径............................................... ..................................................三十
模拟数字转换器（ ADC） ........................................... ............... 39
输入限制器/自动电平控制（ ALC ） ......................................... .. 44
限制器模式........................................................................................................... 47
输出信号路径............................................... .............................................. 56
3D立体声增强............................................... ..................................... 63
ANALOGUE产出................................................ ............................................... 63
数字音频接口............................................... .................................... 80
音频采样率............................................... .............................................. 86
主时钟，锁相环（ PLL ） ......................................... ...... 86
扩............................................................................................................ 89
通用输入/输出............................................. ......................... 91
输出开关（插孔检测） ............................................ ......................... 91
控制接口................................................ .............................................. 93
复位芯片............................................... ............................................... 94
电源SUPPLIES..................................................................................................... 94
电源MANAGEMENT............................................................................................. 94
寄存器映射................................................ .................................................. 96
寄存器位按地址.............................................. .................................... 98
数字滤波器特性............................................... .............. 115
术语........................................................................................................ 115
DAC，滤波器响应............................................... ........................................ 116
ADC滤波器响应............................................... ........................................ 116
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PD ，版本4.3 ， 2010年5月
3
QQ：2881677436 复制
