BD9267KUT
●Functions of Logic Block
Serial interface block
This IC is controlled with the CS, CLK, DI, and DO serial interfaces.
The following section describes data input format and timing.
Datasheet
◆WRITE MODE
・To write 1 byte of data:
CS
CLK
DI
tCSS
tCYC
tCLKH
tCSH
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
tDIS
tDIH
tCLKL
A6 A5 A4 A3 A2 A1 A0 W D7 D6 D5 D4 D3 D2 D1 D0
Low
DO
Figure 14. WRITE MODE (for 1byte)
・Write consecutive 32 bytes of data:
CS
①
CLK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
②
DI
A 6 A 5 A 4 A 3 A 2 A 1 A 0 W D255 D254 D253 D252 D251 D250 D249 D248
③
Low
DO
④
①
17 18 19 20 21 22 23 24
257 258 259 260 261 262 263 264
②
③
D247 D246 D245 D244 D243 D242 D241 D240 D7 D6 D5 D4 D3 D2 D1 D0
Low
④
Figure 15. WRITE MODE (for 32byte)
Addresses are automatically counted up in increments of 1 address by 8 bits after the first set value.
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TSZ22111・15・001
11/28
TSZ02201-0F1F0C100050-1-2
03.Aug.2012 Rev.001