WM9705
生产数据
目录
描述............................................................................................................1
FEATURES..................................................................................................................1
应用..........................................................................................................1
框图......................................................................................................1
目录............................................... ............................................... 2
订购信息................................................ ....................................... 4
绝对最大额定值............................................... ............................... 4
推荐工作条件............................................... 5 ...........
PIN CONFIGURATION................................................................................................6
引脚说明.....................................................................................................7
耗电量................................................ ......................................... 12
详细时序图............................................... ................................ 13
AC- LINK低功耗模式............................................ ............................................. 13
COLD RESET....................................................................................................................13
热复位..................................................................................................................14
时钟规范................................................ ............................................... 14
数据建立和保持时间( 50pF的外部负载) ......................................... .............. 15
信号的上升时间和下降时间............................................. ......................................... 15
设备DESCRIPTION............................................................................................16
引言...............................................................................................................16
AC'97 FEATURES.............................................................................................................16
NON - AC'97 FEATURES..................................................................................................17
PEN数字转换器和辅助ADC ............................................. ............................... 19
3 -D立体声ENHANCEMENT.........................................................................................19
可变采样速率支持.............................................. ............................... 20
2
SPDIF还是数字音频数据输出........................................... .................... 20
主要/次要ID支持............................................. ............................... 21
耳机驱动器和耳机AUTODETECT ............................................. ........ 21
数据时隙映射.....................................................................................................23
AC- LINK数字串行接口协议........................................... ........... 23
AC- LINK音频输出帧( SDATAOUT ) ......................................... ................... 25
AC- LINK音频输入帧( SDATAIN ) ......................................... ........................... 27
AC- LINK低功耗模式............................................ ............................................. 29
唤醒AC-LINK...............................................................................................29
串行接口寄存器映射说明............................................. ....... 30
寄存器28H - 扩展音频ID ............................................ ............................. 34
注册2AH - 扩展音频状态和控制寄存器................ 35
注册2CH和32H - 音频采样率控制寄存器................ 35
寄存器3AH - SPDIF控制寄存器............................................ .............. 36
卖方特定的寄存器( INDEX 5AH - 7AH ) ......................................... ........... 36
串行接口寄存器映射.............................................. ...................... 39
PEN数字化仪操作............................................... ................................... 40
笔数字化仪OPERATIONS时序............................................. ........................ 41
控制笔触数字转换函数的............................................. ..................... 41
回读笔数字化仪结果............................................. ........................ 42
转换控制................................................ ................................................ 43
压力测量................................................ .......................................... 48
屏蔽功能.............................................................................................................49
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PD版本4.4 2006年8月
2