ZHCSJB4D April 2019 – January 2024 TAS2563
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
Sets the TDM frame start, TDM sample rate, TDM auto rate detection and whether rate is based on 44.1 kHz or 48 kHz frequency.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved | CLASSD_SYNC | RAMP_RATE | AUTO_RATE | SAMP_RATE[2:0] | FRAME_START | ||
R-0h | RW-0h | RW-0h | RW-0h | RW-4h | RW-1h |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | Reserved | R | 0h | Reserved |
6 | CLASSD_SYNC | RW | 0h | Class-D synchronization mode. 0b = Not synchronized to audio clocks 1b = Synchronized to audio clocks |
5 | RAMP_RATE | RW | 0h | Sample rate based on 44.1kHz or 48kHz when CLASSD_SYNC=1. 0b = 48kHz 1b = 44.1kHz |
4 | AUTO_RATE | RW | 0h | Auto detection of TDM sample rate. 0b = Enabled 1b = Disabled |
3-1 | SAMP_RATE[2:0] | RW | 4h | Sample rate of the TDM bus. 000b = 7.35/8 kHz 001b = 14.7/16 kHz 010b = 22.05/24 kHz 011b = 29.4/32 kHz 100b = 44.1/48 kHz 101b = 88.2/96 kHz 110b = 176.4/192 kHz 111b = Reserved |
0 | FRAME_START | RW | 1h | TDM frame start polarity. 0b = Low to High on FSYNC 1b = High to Low on FSYNC |