ZHCSHL7B November 2017 – November 2019 TAS5720A-Q1
PRODUCTION DATA.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved | PWM Rate Select | A_GAIN | Ch Sel | Reserved | |||
R/W | R/W | R/W | R/W | R/W |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | Reserved | R/W | 0 | This bit must be set to 1. |
6:4 | PWM Rate Select | R/W | 101 | PWM Rate Select
000: Output switching rate of the Speaker Amplifier is 6 * LRCK. 001: Output switching rate of the Speaker Amplifier is 8 * LRCK. 010: Output switching rate of the Speaker Amplifier is 10 * LRCK. 011: Output switching rate of the Speaker Amplifier is 12 * LRCK. 100: Output switching rate of the Speaker Amplifier is 14 * LRCK. 101: Output switching rate of the Speaker Amplifier is 16 * LRCK. (Default) 110: Output switching rate of the Speaker Amplifier is 20 * LRCK. 111: Output switching rate of the Speaker Amplifier is 24 * LRCK. Note that all rates listed above are valid for single speed mode. For double speed mode, switching frequency is half of that represented above. |
3:2 | A_GAIN | R/W | 00 |
00: Analog Gain Setting is 19.2 dBV.(Default) 01: Analog Gain Setting is 22.6 dBV. 10: Analog Gain Setting is 25 dBV. 11: This setting is reserved and must not be used. |
1 | Ch Sel | R/W | 0 | Channel Selection for Software Control Mode
0: When placed in Software Control mode, the audio information from the Right channel of the serial audio input stream is used by the speaker amplifier. 1: When placed in Software Control mode, the audio information from the Left channel of the serial audio input stream is used by the speaker amplifier. |
0 | Reserved | R/W | 1 | This control is reserved and must not be changed from its default setting. |