參數(shù)資料
型號(hào): ISD5216SERIES
英文描述: Single-Chip Voice Record/Playback Device
中文描述: 單芯片語(yǔ)音記錄/播放設(shè)備
文件頁(yè)數(shù): 43/83頁(yè)
文件大小: 758K
代理商: ISD5216SERIES
I5216 SERIES
Advanced Information
PRELIMINARY
Publication Release Date: November 30, 2001
- 43
Revision A1
READ DIGITAL DATA
: For
a normal digital read, the Registers are loaded as follows:
1. Host executes I
2
C START.
2. Send Slave Address with R/W bit = “0” (Write).
3. Slave responds back with an ACK.
4. Wait for SCL HIGH.
5. Send Digital Mode command – 0X80h, 0XC9h
6. Slave responds with an ACK.
7. Wait for SCL HIGH
8. Host sends a byte to Slave - (Command Byte = E1).
9. Slave responds with an ACK.
10. Wait for SCL HIGH.
11. Host sends a byte to Slave - (High Address Byte).
12. Slave responds with an ACK.
13. Wait for SCL HIGH.
14. Host sends a byte to Slave - (Low Address Byte).
15. Slave responds with an ACK.
16. Wait for SCL HIGH.
17. Host sends repeat START.
18. Host sends Slave Address with R/W bit = 1 (Reverses Data Direction).
19. Slave responds with an ACK.
20. Wait for SCL HIGH.
21. Slave sends a byte to Host - (First 8 bits of digital information).
22. Host responds with an ACK.
23. Wait for SCL HIGH.
24. Steps 20, 21 and 22 are repeated until last byte is sent and a NO ACK is returned.
25. Host sends Slave Address with R/W bit = 0 (Reverses Data Direction)
26. Slave responds with an ACK.
27. Wait for SCL HIGH.
28. Host sends Exit Digital Mode command. – 0X40
29. Slave responds with an ACK.
30. Wait for SCL HIGH
31. Host executes I
C STOP.
S
SLAVE ADDRESS
A
W
E1
P
Command
A
DATA
N
DATA
A
High
Addr.
Low
Addr.
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