Datasheet

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SLAS412− DECEMBER 2003
www.ti.com
50
REGISTER 1DH: Audio Control 4
BIT NAME
READ/
WRITE
RESET
VALUE
FUNCTION
D15 ASTPD R/W 0 ADC PGA Soft-Stepping Control
0 => Soft-stepping enabled
1 => Soft-stepping disabled
D14 DASTPD R/W 0 DAC PGA Soft-Stepping Control
0 => Soft-stepping enabled
1 => Soft-stepping disabled
D13 ASSTPD R/W 0 Analog Sidetone Soft-Stepping Control
0 => Soft-stepping enabled
1 => Soft-stepping disabled
D12 DSTPD R/W 0 Digital Sidetone Zero Cross Control
0 => Zero cross enabled
1 => Zero cross disabled
D11 Reserved R 0 Reserved
D10−D9 AGC_HYST R/W 00 AGC Hysteresis Control
00 =>1-dB hysteresis
01 => 2-dB hysteresis
10 => 4-dB hysteresis
11 => No hysteresis
D8 SHCKT_DIS R/W 0 Disable Short Circuit Detection
0 => Short circuit detection enabled
1 => Short circuit detection disabled
D7 SHCKT_PD R/W 0 Power Down Drivers if Short Circuit Detected
0 => No auto power down of drivers on short circuit.
1 => Auto power down drivers on short circuit.
D6 SHCKT_FLAG R 0 Short Circuit Detected Flag
0 => Short circuit not detected
1 => Short circuit detected
D5 DAC_POP_RED R 0 DAC POP Reduction Enable
0 => Disable POP reduction
1 => Enable POP reduction
D4 DAC_POP_RED_
SET1
R/W 0 DAC POP Reduction Setting 1
0 => Fast setting
1 => Slow setting
D3−D2 DAC_POP_RED_
SET2
R/W 00 DAC POP Reduction Setting 2
00 => Long setting
11 => Short setting
D1−D0 PGID R XX