w681512 Winbond Electronics Corp America, w681512 Datasheet - Page 28

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w681512

Manufacturer Part Number

w681512

Description

Single-channel Voiceband Codec

Manufacturer

Winbond Electronics Corp America

Datasheet

1.W681512.pdf (38 pages)

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Current page: 28 of 38
Download datasheet (318Kb)

+ Full Scale

+ Zero

- Zero

- Full Scale

Sample

Level

1

2

3

4

5

6

7

8

10.5.3. PCM Codes for Zero and Full Scale

10.5.4. PCM Codes for 0dBm0 Output

Sign bit

Sign bit

(D7)

(D7)

1

1

0

0

0

0

0

0

1

1

1

1

Chord bits

(D6,D5,D4)

(D6,D5,D4)

Chord bits

000

111

111

000

001

000

000

001

001

000

000

001

μ-Law

μ-Law

(D3,D2,D1,D0)

(D3,D2,D1,D0)

Step bits

Step bits

- 28 -

0000

1111

1111

0000

1110

1011

1011

1110

1110

1011

1011

1110

Sign bit

Sign bit

(D7)

(D7)

1

1

0

0

0

0

0

0

1

1

1

1

(D6,D5,D4)

Chord bits

Chord bits

(D6,D5,D4)

011

010

010

011

011

010

010

011

010

101

101

010

A-Law

A-Law

W681512

(D3,D2,D1,D0)

(D3,D2,D1,D0)

Step bits

Step bits

0100

0001

0001

0100

0100

0001

0001

0100

1010

0101

0101

1010

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