JAJSEN9E october 2017 – july 2023 TAS2770
PRODUCTION DATA
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 | RATE_RAMP | AUTO_RATE | SAMP_RATE[2:0] | FRAME_START | |||
RW-0h | RW-0h | RW-0h | RW-3h | RW-1h |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7-6 | Reserved | RW | 0h | Reserved |
5 | RATE_RAMP | 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 | 3h | Sample rate of the TDM bus. 000b = Reserved 001b = Reserved 010b = Reserved 011b = 44.1/48 kHz 100b = 88.2/96 kHz 101b = 176.4/192 kHz 110b = Reserved 111b = Reserved |
0 | FRAME_START | RW | 1h | TDM frame start polarity. 0b = Low to High on FSYNC 1b = High to Low on FSYNC |