SBAS884A March 2020 – June 2020 PCM6240-Q1 , PCM6260-Q1 , PCM6340-Q1 , PCM6360-Q1
PRODUCTION DATA.
This register is the MICBIAS internal load sink configuration register.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
MICBIAS_INT_LOAD_SINK_EN | MICBIAS_INT_LOAD_SINK_VAL[2:0] | Reserved | |||||
RW-0h | RW-0h | R-0h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | MICBIAS_INT_LOAD_SINK_EN | RW | 0h | MICBIAS internal load sink setting.
0d = MICBIAS internal load sink is enabled with setting automatically calculated based on device configuration 1d = MICBIAS internal load sink is enabled based on D6-4 register bits; This setting must be used for single-ended AC-coupled input to support high signal swing |
6-4 | MICBIAS_INT_LOAD_SINK_VAL[2:0] | RW | 0h | MICBIAS internal load sink current value
0d = MICBIAS internal load sink current is set to 0 mA (typ) 1d = MICBIAS internal load sink current is set to 4.3 mA (typ) 2d = MICBIAS internal load sink current is set to 8.6 mA (typ) 3d = MICBIAS internal load sink current is set to 12.9 mA (typ) 4d = MICBIAS internal load sink current is set to 17.2 mA (typ) 5d = MICBIAS internal load sink current is set to 21.5 mA (typ) 6d = MICBIAS internal load sink current is set to 25.8 mA (typ) 7d = MICBIAS internal load sink current is set to 30.1 mA (typ) |
3-0 | Reserved | R | 0h | Reserved |