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UPD16675AP Datasheet(PDF) 18 Page - NEC

Part # UPD16675AP
Description  1/34, 1/36 DUTY LCD CONTROLLER/DRIVER
PDF  36 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD16675AP Datasheet(HTML) 18 Page - NEC

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18
µµµµPD16675A
6.
RESETTING
When reset (power-ON reset, command reset, hardware (terminal) reset), the contents of each register are as
follows:
Register name
Register contents
Status
b7 b6 b5 b4 b3 b2 b1 b0
Chip address register
0
0
0
0
0
0
0
0
The ICs of CS2 = 0, CS1 = 0, CS0 = 0 can be
accessed.
Display ON/OFF
0
000
10
00LCD OFF (SEGn, COMn, PCOMn = VLC5)
Standby
0
0
0
1
0
0
0
0
Normal operation
Duty setting
0
0
0
1
1
0
0
0
1/34 duty cycle
Blink setting
0
100
00
00Blink halt
D/A converter setting
1
0
0
0
0
0
0
0
LCD drive voltage: Set to 2/3 VDD2
Data R/W mode
1
0
1
1
0
0
0
0
Data write/address reset/increment (+1)
Test mode
1
0
1
1
1
0
0
0
Normal operation



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