UPD16680 NEC, UPD16680 Datasheet - Page 27

• Manufacturer Part Number: UPD16680
• Description: 1/53/ 1/40 DUTY/ LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
• Manufacturer: NEC

9.2.7 Data R/W mode
Notes 1. When X address and Y address goes to last address, next address is 00H.
Remark When using serial data transfer, it is necessary to write 8-bit data. No assurance is IC's operation when
9.2.8 Test mode
continued operation.
MSB
MSB
1
1
Data Read/Write (R/W), increment, address counter resetting, etc. are set in this mode.
The test mode is set. The test mode is for checking IC’s operation, and no assurance is made for its regular use or
0
0
2. The data read mode is canceled at STB's rising edge (Switched to data write mode).
1
1
STB is rising during data transfer.
1
1
0
1
b2 b1 b0
b2 b1 b0
LSB
LSB
+
Choices 1
00 : The address is incremented starting from the current one
01 : Current address retained
Choices 2
0 : Data writing
1 : Data reading
Choices
000 : Nomal Operation
001 to 111 : Test mode
MSB
b7
b6
Data Sheet S12694EJ2V0DS00
b5
Note2
DATA
b4
b3
b2
b1 b0
LSB
+
. . .
Note1
PD16680
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