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參數(shù)資料
| 型號： | D6571E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Chip for an All-Digital Telephone Answering Machine with Flash Memory Interface |
| 中文描述： | 芯片的全數(shù)字電話應答機與快閃記憶體介面 |
| 文件頁數(shù)： | 3/117頁 |
| 文件大?。?/td> | 551K |
| 代理商： | D6571E |
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D6571E Data Sheet
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
3
Self Test and Initialization............................................................................................................................................................19
Voice Prompt Generation..............................................................................................................................................................22
Program Voice Prompt ..................................................................................................................................................................23
Full Duplex SpeakerPhone Operation.........................................................................................................................................24
Re-Compression Mode.................................................................................................................................................................27
HOST INTERFACE PERFORMANCE..............................................................................................................................................28
Power Down Operation.........................................................................................................................................................................30
COMMAND SET...................................................................................................................................................................................29
0. IDLE................................................................................................................................................................................................29
1. RECORD.........................................................................................................................................................................................29
2. PLAYBACK...................................................................................................................................................................................33
3. READ MEMORY STATUS.........................................................................................................................................................35
4. WRITE TELEPHONE NUMBER.................................................................................................................................................37
5. READ TELEPHONE NUMBER...................................................................................................................................................40
6. TONE GENERATION...................................................................................................................................................................42
NEW TONE INITIALIZATION..................................................................................................................................................44
FSK Modem....................................................................................................................................................................................45
7. LINE MONITOR............................................................................................................................................................................51
8. DELETE MESSAGE......................................................................................................................................................................52
9. SET/MODIFY TIME STAMP.....................................................................................................................................................53
10. GET TIME STAMP.....................................................................................................................................................................53
11. GET AVAILABLE RECORD TIME...........................................................................................................................................55
12. SELF TEST AND INITIALIZATION.......................................................................................................................................55
13. VOICE PROMPT PLAYBACK..................................................................................................................................................71
PROGRAM VOICE PROMPT....................................................................................................................................................72
14. SPEAKER PHONE......................................................................................................................................................................74
16. Re-Compress Message..............................................................................................................................................................82
FUNCTIONAL BLOCKS.....................................................................................................................................................................84
DSP CORE...........................................................................................................................................................................................84
ADDRESS MUX................................................................................................................................................................................84
FLASH MEMORY INTERFACE......................................................................................................................................................84
CLOCK GENERATOR.......................................................................................................................................................................84
μ
-law/A-law ENCODER.....................................................................................................................................................................84
CODEC INTERFACE.........................................................................................................................................................................84
I/O ADDRESS DECODER.................................................................................................................................................................84
HOST D6571E COMMUNICATION INTERFACE ......................................................................................................................83
DATA TRANSFER MODES ................................................................................................................................................................86
FUNCTIONAL DESCRIPTION........................................................................................................................................................86
OPERATIONAL DESCRIPTION .....................................................................................................................................................86
COMMAND SET FOR DATA TRANSFER MODES ......................................................................................................................92
1. DATA PUMP FROM CODEC TO HOST (Record from Codec to Host)...............................................................................92
2. DATA PUMP FROM HOST TO CODEC (Playback from Host to Codec)............................................................................95
3. DATA STORAGE (From Host to Flash)....................................................................................................................................98
4. DATA RETRIEVAL (From Flash to Host)...............................................................................................................................100
5. DATA COMPRESSION (From Host to Host).........................................................................................................................102
6. DATA DECOMPRESSION (From Host to Host)....................................................................................................................104
APPLICATION HINTS.....................................................................................................................................................................106
ELECTRICAL CHARACTERISTICS............................................................................................................................................. 106
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