W682510_05 Datasheet, PDF (26/35 Pages) Winbond – DUAL-CHANNEL VOICEBAND CODECS

W682510/W682310
10.6. DIGITAL I/O
Normalized
Encode
Decision
Levels
TABLE 10.61: μ-LAW ENCODE DECODE CHARACTERISTICS
D7
Sign
D6
Chord
D5
Chord
Digital Code
D4
D3
Chord Step
D2
Step
D1
Step
D0
Step
Normalized
Decode
Levels
8159
1
0
0
0
0
0
0
0
8031
7903
:
:
4319
1
0
0
0
1
1
1
1
4191
4063
:
:
2143
1
0
0
1
1
1
1
1
2079
2015
:
:
1055
1
0
1
0
1
1
1
1
1023
991
:
:
511
1
0
1
1
1
1
1
1
495
479
:
:
239
1
1
0
0
1
1
1
1
231
223
:
:
103
1
1
0
1
1
1
1
1
99
95
:
:
35
1
1
1
0
1
1
1
1
33
31
:
:
3
1
1
1
1
1
1
1
0
2
1
1
1
1
1
1
1
1
1
0
0
Notes:
Sign bit = 0 for negative values, sign bit = 1 for positive values
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