參數(shù)資料
型號： AK7706VT
英文描述： Consumer IC
中文描述： 消費性IC
文件頁數(shù)： 43/52頁
文件大?。?/td> 1085K
代理商： AK7706VT
[ASAHI KASEI] [AK7706]
<M0058-E-01>
1999/10
- 43 -
7-2-c) CRAM data read (during reset phase)
To read out the written coefficient data, input the command code and the address you want to read out. After that, set SI to "H" and
SCLK to "L”. Then, the data is clocked out from SO in synchronization with the falling edge of SCLK.
If there are continuous addresses to be read, repeat the above procedure starting from the step where SI is set to "H".
Note: This method should be read more than two data.
But, if it needs to read only one data, then it should be input more than 20-bit SCLK and ignore LSB 4-bit.
Data transfer procedure
Command code A1h ( 1 0 1 0 0 0 0 1 )
Address upper ( 0 . . . . . . A8)
Address lower (A7 . . . . . . A0)
WRQ
SCLK
SI
SI
RDY
RESET
Reading of CRAM data ( more than 2 data )
10100001
0000000 A8 A7 . . . A1 A0
SO
D15 . . . . D0 D15 . . . . D0
WRQ
SCLK
SI
SI
RDY
RESET
Reading of CRAM data ( 1 data only )
10100001
0000000 A8 A7 . . . A1 A0
SO
D15 . . . . D0 0 0 0 0
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