CS4223 CS4224
5.5.3串行数据输出格式( DOF ) ........................................ .......................................... 17
5.5.4串行数据输入格式( DIF ) ........................................ .............................................. 17
5.6转换器状态报告(只读) (地址06H ) ..................................... ................. 18
5.6.1左,右声道验收一下( ACCR - ACCL ) .................................... ............ 18
5.6.2左,右声道ADC输出电平( LVR和LVL ) ................................... ........ 18
5.7主时钟控制(地址07H) .......................................... ....................................... 18
5.7.1主时钟控制( MCK ) ......................................... ................................................. 18
6.引脚说明 - CS4223 ............................................ ................................................ 19
7.引脚说明 - CS4224 ............................................ ................................................ 21
8.应用..................................................................................................................... 23
8.1概述.......................................................................................................................... 23
8.2接地和电源去耦............................................ ........................... 23
8.3高通滤波器............................................................................................................... 23
8.4模拟输出................................................................................................................ 23
8.5主站与从站模式............................................ .................................................. ...... 23
8.6去加重................................................................................................................... 23
8.7电/复位/掉电校准........................................ ........................... 23
(仅CS4224 ) 8.8控制端口接口.......................................... .................................... 24
8.8.1 SPI模式............................................................................................................ 24
8.8.2 I
2
C模式............................................................................................................. 24
8.9存储器地址指针( MAP) ........................................... ............................................ 25
8.9.1自动递增控制(增量) ........................................ ............................................. 25
8.9.2寄存器指针(MAP).................................................................................................. 25
9. ADC / DAC滤波器响应........................................... .................................................. 29
10.参数DEFINITIONS.................................................................................................三十
11.包装尺寸..................................................................................................... 31
图列表
图1 。
图2中。
网络连接gure 3 。
图4中。
图5中。
图6 。
图7 。
网络连接gure 8 。
图9 。
网络连接gure 10 。
图11 。
图12 。
图13 。
图14 。
图15 。
图16 。
图17 。
图18 。
图19 。
图20 。
图21 。
图22 。
串行音频接口数据I / O时序.......................................... .................................. 8
SPI控制端口时序.............................................. .............................................. 9
I
2
C控制端口时序.............................................. ............................................ 10
CS4223推荐的连接图.............................................. ......... 11
CS4224推荐的连接图.............................................. ......... 12
控制端口时序, SPI模式............................................ ................................... 25
控制端口时序,我
2
C模式................................................ ............................... 25
串行音频格式0 ( I2S ) ........................................... ......................................... 26
串行音频格式1 .............................................. ............................................... 26
串行音频格式2 .............................................. ............................................... 26
串行音频格式3 .............................................. ............................................... 27
可选的输入缓冲器............................................... ............................................... 27
单端输入应用............................................. .................................. 27
2和3极点Butterworth滤波器.......................................... .................................. 28
去加重Curve................................................................................................ 28
混合模拟/数字衰减............................................. .............................. 28
ADC滤波器Response.............................................................................................. 29
ADC通带纹波............................................... ............................................. 29
ADC过渡带............................................... ............................................... 29
DAC,滤波器Response.............................................................................................. 29
DAC通带纹波............................................... ............................................. 29
DAC过渡带............................................... ............................................... 29
DS290F1
3