W681513_05 Datasheet, PDF (26/35 Pages) Winbond – 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS

W681513
10.5. DIGITAL I/O
10.5.1. μ-Law Encode Decode Characteristics
Normalized
Encode
Decision
Levels
D7
Sign
D6
Chord
D5
Chord
Digital Code
D4
D3
Chord Step
D2
Step
8159
1
0
0
0
0
0
7903
:
4319
1
0
0
0
1
1
4063
:
2143
1
0
0
1
1
1
2015
:
1055
1
0
1
0
1
1
991
:
511
1
0
1
1
1
1
479
:
239
1
1
0
0
1
1
223
:
103
1
1
0
1
1
1
95
:
35
1
1
1
0
1
1
31
:
3
1
1
1
1
1
1
1
1
1
1
1
1
1
0
D1
Step
D0
Step
Normalized
Decode
Levels
0
0
8031
:
1
1
4191
:
1
1
2079
:
1
1
1023
:
1
1
495
:
1
1
231
:
1
1
99
:
1
1
33
:
1
0
2
1
1
0
Notes:
Sign bit = 0 for negative values, sign bit = 1 for positive values
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