生产数据
WM8772
目录
描述.......................................................................................................1
FEATURES.............................................................................................................1
应用.....................................................................................................1
框图 - 28引脚SSOP ............................................ ............................ 1
框图 - 32引脚TQFP ............................................ ............................ 2
目录............................................... .......................................... 3
引脚配置 - 28引线SSOP ............................................ ................. 5
订购信息................................................ .................................. 5
引脚配置32引脚TQFP封装............................................. .................. 6
订购信息................................................ .................................. 6
引脚说明 - 28引线SSOP ............................................ ....................... 7
引脚说明 - 32引脚TQFP封装............................................ ....................... 8
绝对最大额定值............................................... .......................... 9
推荐工作条件............................................... .... 10
ADC高通滤波器.............................................. ............................................. 14
数字去重特征............................................. .............. 14
WM8772EDS - 28引脚SSOP ............................................. ................................. 16
主时钟时序............................................... ............................................ 16
数字音频接口 - 主模式............................................ ........... 16
MPU接口时序............................................... ........................................... 19
引言......................................................................................................... 20
音频数据采样价格.............................................. ................................. 20
硬件控制模式............................................... ................................ 21
数字音频接口............................................... ...................................... 23
掉电模式................................................ ............................................. 27
ZERO DETECT ........................................................................................................... 27
控制接口寄存器............................................... ......................... 29
推荐的外部元件............................................... ........... 37
拟议ANALOGUE低通POST DAC FILTERS ................................... 38
WM8722EFT - 32引脚TQFP ............................................. ................................... 41
主时钟时序............................................... ............................................ 41
数字音频接口 - 主模式............................................ ........... 41
MPU接口时序............................................... ........................................... 44
设备描述................................................ ....................................... 46
引言......................................................................................................... 46
音频数据采样价格.............................................. ................................. 46
硬件控制模式............................................... ................................ 47
数字音频接口............................................... ...................................... 49
掉电模式................................................ ............................................. 54
ZERO DETECT ........................................................................................................... 54
软件控制界面操作........................................... 54
寄存器映射 - 32引脚TQFP ............................................ ............................. 55
控制接口寄存器............................................... ......................... 56
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2004年PD月修订版4.1
3
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