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Memory Interface. D6571E Datasheet

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Memory Interface. D6571E Datasheet






D6571E Interface. Datasheet pdf. Equivalent




D6571E Interface. Datasheet pdf. Equivalent





Part

D6571E

Description

Chip for an All-Digital Telephone Answering Machine with Flash Memory Interface



Feature


D6571E Data Sheet A D6571E EASYTAD ™ Chip for an All-Digital Telephone Answ ering Machine with Flash Memory Interfa ce DS6571E.2 DSP GROUP, INC., 3120 SC OTT BOULEVARD SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490 1 D65 71E Data Sheet TABLE OF CONTENTS: GENE RAL DESCRIPTION........................ ....................................... .....................
Manufacture

ETC

Datasheet
Download D6571E Datasheet


ETC D6571E

D6571E; ........................................ ....................................... ..5 FEATURES .......................... ....................................... ....................................... ....................................... ....................................... ..... 5 CHIP CONFIGURATION............. ....................................... ...................


ETC D6571E

........................................ ....................................... ............... 6 ADDITIONAL SYSTEM COM PONENTS (supplied by the customer accor ding to DSP Group’s specifications).. ............ 6 PIN DESCRIPTIONS........ ....................................... ....................................... ....................................... .....................


ETC D6571E

........................... 7 FUNCTIONAL DESCRIPTION........................... ....................................... ....................................... ....................................... ............9 HOST Interface........... ....................................... ....................................... ....................................... ...................

Part

D6571E

Description

Chip for an All-Digital Telephone Answering Machine with Flash Memory Interface



Feature


D6571E Data Sheet A D6571E EASYTAD ™ Chip for an All-Digital Telephone Answ ering Machine with Flash Memory Interfa ce DS6571E.2 DSP GROUP, INC., 3120 SC OTT BOULEVARD SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490 1 D65 71E Data Sheet TABLE OF CONTENTS: GENE RAL DESCRIPTION........................ ....................................... .....................
Manufacture

ETC

Datasheet
Download D6571E Datasheet




 D6571E
D6571E Data Sheet
A
D6571E
EASYTADChip for an All-Digital
Telephone Answering Machine
with Flash Memory Interface
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
1




 D6571E
D6571E Data Sheet
TABLE OF CONTENTS:
GENERAL DESCRIPTION....................................................................................................................................................................5
FEATURES ........................................................................................................................................................................................... 5
CHIP CONFIGURATION.................................................................................................................................................................... 6
ADDITIONAL SYSTEM COMPONENTS (supplied by the customer according to DSP Group’s specifications).............. 6
PIN DESCRIPTIONS............................................................................................................................................................................ 7
FUNCTIONAL DESCRIPTION............................................................................................................................................................9
HOST Interface..................................................................................................................................................................................... 9
Voice Message Recording Incoming and Outgoing Messages ................................................................................................... 9
Digital Voice-Activated Recording (VOX)....................................................................................................................................... 9
Automatic Gain Control...................................................................................................................................................................... 9
Message Playback............................................................................................................................................................................... 9
Offset and FLEXISPEECH.............................................................................................................................................................. 9
Message Deletion.............................................................................................................................................................................. 10
Message Time Stamp ........................................................................................................................................................................ 10
Volume Control................................................................................................................................................................................... 10
Tone Generation................................................................................................................................................................................. 10
DTMF Detection................................................................................................................................................................................ 10
Call Progress Tone (CPT) Detection............................................................................................................................................... 10
Caller Identification (CID and CWCID) .......................................................................................................................................... 10
Caller Alert Signal (CAS) Detection................................................................................................................................................ 10
Sensitivity Control............................................................................................................................................................................. 10
Speed Dial Telephone Number Storage.......................................................................................................................................... 10
Non-Erasable Storage........................................................................................................................................................................ 10
General Purpose Storage................................................................................................................................................................... 10
Self Test and Initialization ................................................................................................................................................................ 11
Reports ................................................................................................................................................................................................ 11
Voice Prompt Generation.................................................................................................................................................................. 11
Near End Echo Cancellation............................................................................................................................................................. 11
Full Duplex Digital SpeakerPhone ................................................................................................................................................... 11
Power Down Mode ............................................................................................................................................................................ 11
OPERATIONAL DESCRIPTION .......................................................................................................................................................12
INITIAL PROCEDURE...................................................................................................................................................................... 12
MODES OF OPERATION................................................................................................................................................................. 12
DESCRIPTION OF MODES OF OPERATION............................................................................................................................... 13
Idle................................................................................................................................................................................................... 13
Record ............................................................................................................................................................................................. 13
Playback.......................................................................................................................................................................................... 14
Read Memory Status.................................................................................................................................................................... 15
Telephone Number Storage......................................................................................................................................................... 16
Non-Erasable Storage................................................................................................................................................................... 16
General Purpose Storage (GPS)................................................................................................................................................... 16
Tone Generation Mode ................................................................................................................................................................ 16
New Tone Definition..................................................................................................................................................................... 17
FSK Modem................................................................................................................................................................................... 17
Line Monitoring Mode ................................................................................................................................................................. 17
CID Submode................................................................................................................................................................................. 18
Delete Message ............................................................................................................................................................................. 18
Set/Modify Time Stamp ................................................................................................................................................................ 19
Get Time Stamp .............................................................................................................................................................................. 19
Get Available Record Time .......................................................................................................................................................... 19
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
2




 D6571E
D6571E Data Sheet
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
DS6571E.2
DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986-4300 FAX: 408 986-4490
3



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