UPD16680 NEC, UPD16680 Datasheet - Page 29
UPD16680
Manufacturer Part Number
UPD16680
Description
1/53/ 1/40 DUTY/ LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
Manufacturer
NEC
Datasheet
1.UPD16680.pdf
(44 pages)
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11. COMMUNICATION FORMAT
11.1 serial
11.1.1
11.1.2
11.1.3
DATA
DATA
Reception 1 (Command/Data write : 1 byte)
Reception 2 (Command/Data write : 2 bytes or more)
Transmission (Command/Data read)
SCK
SCK
STB
STB
DATA
SCK
STB
1
1
b7
Data Read Command
b7
2
b6
1
b7
3
2
b5
2
b6
b6
3
Command 1
Data Sheet S12694EJ2V0DS00
b5
6
3
b2
b5
7
b1
6
b2
8
b0
7
b1
Wait time : t
8
b0
6
1
b2
b7
WAIT
2
1
Command 2/Data
b6
7
b7
3
b1
2
b5
b6
4
Data read
3
b4
8
b5
5
4
b0
b3
b4
5
b3
6
PD16680
29
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