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UPD16680 Datasheet(PDF) 27 Page - NEC

Part # UPD16680
Description  1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
PDF  44 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD16680 Datasheet(HTML) 27 Page - NEC

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Data Sheet S12694EJ2V0DS00
27
µµµµPD16680
9.2.7 Data R/W mode
Data Read/Write (R/W), increment, address counter resetting, etc. are set in this mode.
MSB
LSB
10
1
1
0
b2 b1 b0
MSB
LSB
b2
b3
b4
b5
b6
b7
b1 b0
++
DATA
. . .
Choices 1
00 : The address is incremented starting from the current one
01 : Current address retained
Choices 2
0 : Data writing
1 : Data reading
Note1
Note2
Notes 1. When X address and Y address goes to last address, next address is 00H.
2. The data read mode is canceled at STB's rising edge (Switched to data write mode).
Remark When using serial data transfer, it is necessary to write 8-bit data. No assurance is IC's operation when
STB is rising during data transfer.
9.2.8 Test 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
continued operation.
MSB
LSB
10
1
1
1
b2 b1 b0
Choices
000 : Nomal Operation
001 to 111 : Test mode



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