CS4365
目录
1.引脚说明................................................................................................................................ 6
2.特性和规格............................................. ......................................... 8
推荐工作条件............................................... ...................................... 8
绝对最大额定值......................................................................................................... 8
电源和散热特性.............................................. .................................... 11
3.典型连接图............................................. .................................................. ... 19
4.应用................................................................................................................................... 21
4.1主时钟................................................................................................................................... 21
4.2模式选择.................................................................................................................................... 22
4.3数字接口格式................................................................................................................ 23
4.3.1 OLM # 1 .................................................................................................................................. 24
4.3.2 OLM # 2 .................................................................................................................................. 24
4.4过采样模式...................................................................................................................... 24
4.5插值滤波器........................................................................................................................... 25
4.6去加重.................................................................................................................................. 25
4.7 ATAPI规范........................................................................................................................ 26
4.8直接数字流( DSD )模式.......................................... .................................................. ...... 26
4.9接地和电源安排............................................ ..................................... 27
4.9.1电容布局............................................................................................................. 27
4.10模拟输出和滤波.......................................................................................................... 28
4.11 MUTEC输出.................................................................................................................... 29
4.12推荐的上电顺序............................................ ............................................... 29
4.12.1硬件模式................................................................................................................... 29
4.12.2软件模式....................................................................................................................三十
4.13推荐的程序进行切换操作模式........................................... ............ 30
4.14控制端口接口...................................................................................................................三十
4.14.1地图自动递增...........................................................................................................三十
4.14.2 IC模式..............................................................................................................................三十
4.14.2.1 IC写 ............................................................................................................... 31
4.14.2.2 IC读.................................................................................................................. 31
4.14.3 SPI 模式......................................................................................................................... 32
4.14.3.1 SPI写.................................................................................................................. 32
4.15存储器地址指针( MAP)
............................................................................................. 32
4.15.1 INCR (自动映射递增启用) ........................................ ............................................ 32
4.15.2 MAP4-0 (内存地址指针) ....................................... ............................................. 32
5.注册快速参考....................................................................................................... 33
6.注册说明.................................................................................................................. 34
6.1芯片版本(地址01H ) ......................................................................................................... 34
6.1.1型号标识(第一部分) [只读] ..................................... ............................................... 34
6.2模式控制1 (地址02H ) ........................................................................................................ 34
6.2.1控制端口使能( CPEN ) ......................................... .................................................. ....... 34
6.2.2冻结控制( FREEZE ) .......................................... .................................................. ....... 34
6.2.3 PCM / DSD精选( DSD / PCM ) ..................................... .................................................. 35 ..
6.2.4 DAC对禁止( DACx_DIS ) ......................................... .................................................. ... 35
6.2.5掉电( PDN ) ............................................................................................................... 35
6.3 PCM控制(地址03H ) ........................................................................................................... 35
6.3.1数字接口格式( DIF ) ......................................... .................................................. ..... 35
6.3.2功能模式( FM)的........................................................................................................... 36
6.4 DSD控制(地址04H ) ........................................................................................................... 36
6.4.1 DSD模式数字接口格式( DSD_DIF ) ....................................... ............................. 36
6.4.2直接DSD转换( DIR_DSD ) ......................................... ............................................. 37
6.4.3静态DSD检测( STATIC_DSD ) ......................................... ............................................... 37
2
DS670F1