W681307DG Datasheet, PDF (83/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
12.3.5
PCMmode0
Address
0x1484
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED COMP_FORMAT PCM_LINEAR
PCM_LINEAR
=1, PCM port 0 operates in 16-bit linear mode.
=0, 8-bit compressed PCM.
COMP_FORMAT If PCM port 0 is in compressed mode,
=1, A-law,
=0, µ -law
12.3.6
InputGain0
Address
0x1485
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED RESERVED RESERVED RESERVED InputGain[3] InputGain[2] InputGain[1] InputGain[0]
InputGain[3:0] PCM input gain table is listed as below Table 12-1. This gain is applied directly to the PCM input value.
12.3.7
OutputGain0
Address
0x1486
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED RESERVED RESERVED RESERVED OutputGain[3] OutputGain[2] OutputGain[1] OutputGain[0]
OutputGain[3:0] PCM output gain table is listed as below Table 12-2. This gain is applied after the Mixer Matrix and tone generation.
12.3.8
ToneFreqA0
Address
0x1488
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
ToneFreqA
Frequency of tone A = ToneFreqA * 15.625 (Hz)
- 83 -
Bit 1
Bit 0
Publication Release Date: May, 2007
Revision 1.3