MSM6588 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM6588

ADPCM Solid-State Recorder (for Serial Registers)

Oki Electric Industry 

¡ Semiconductor

MSM6588/6588L

Operation in Stand-alone Mode ............................................................................................................... 51

1. Power down function ........................................................................................................................ 51

2. Master clock frequency and sampling frequency ......................................................................... 51

3. Method of recording ......................................................................................................................... 52

4. Method of playback ........................................................................................................................... 53

5. Method of pause in record/playback ............................................................................................. 54

6. Operation in voice triggered starting ............................................................................................. 55

7. Method of re-recording ..................................................................................................................... 56

8. Pull-up resistor ................................................................................................................................... 57

Operation in Microcontroller Interface Mode ........................................................................................ 58

1. Command input method .................................................................................................................. 58

2. Explanation of commands ................................................................................................................ 61

3. Explanation of status register .......................................................................................................... 63

4. Selection of sampling frequency (SAMP command) .................................................................... 65

5. Recording control modes (SAMP and CHAN commands) ......................................................... 65

6. Selection of channel (CHAN command) ........................................................................................ 66

7. Input/output of start address and stop address

(ADRWR and ADRRD commands) ................................................................................................ 67

8. Specifying ADPCM bit length (VDS command) ........................................................................... 71

9. Specifying voice triggered starting mode (VDS command) ........................................................ 71

10. Recording method ............................................................................................................................. 71

11. Playback method ............................................................................................................................... 75

12. Pause method (temporary suspension) with the (PAUSE command) ....................................... 77

13. Operation in voice triggered starting (VDS command) ............................................................... 79

14. Address control operation ................................................................................................................ 80

15. Multi-channel record/playback method ........................................................................................ 84

16. Playback method by means of a serial voice ROM ....................................................................... 87

17. Data transfer method with external serial registers (DTRW command) ................................... 91

18. Method of record/playback by input/output of data from

the data bus (EXT command) ........................................................................................................... 93

19. Reset and power down function ..................................................................................................... 96

APPLICATION CIRCUITS ................................................................................................................................. 97

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