BT8110 데이터 시트보기 (PDF) - Conexant Systems

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BT8110

High-Capacity ADPCM Processor

Conexant Systems 

Appendix C . E1 Speech Compression

C.1 Introduction

Bt8110/8110B

High-Capacity ADPCM Processor

Table C-2. Bt8110/8110B Microprocessor Memory Map

Address

Function

0

Encoder 0 Control

1

Decoder 0 Control

2

Encoder 1 Control

•

•

•

•

•

•

0x3E

Encoder 31 Control

0x3F

Decoder 31 Control

0x40

Mode Control

0

Encoder/Decoder 0 Control

1

Encoder/Decoder 1 Control

2

Encoder/Decoder 2 Control

•

•

•

•

•

•

0x3E

Encoder/Decoder 62 Control

0x3F

Encoder/Decoder 63 Control

0x40

Mode Control

Bit

Function

D[2:0]

D[3]

D[4]

Operation Mode: 100 - Low speed, Interleaved

32/64-Channel Operation: Set to 1

Serial PCM, Parallel ADPCM Mode: Set to 1

D[3:0]

D[4]

D[5]

D[6]

Code Select (codes 6, 7 are invalid)

Set Encoder/Decoder Transparent

Reset Encoder/Decoder

Set Encoder/Decoder to A-Law PCM

C-6

Conexant

100060C

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