UPD753012GC NEC, UPD753012GC Datasheet - Page 34
UPD753012GC
Manufacturer Part Number
UPD753012GC
Description
4-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
- Current page: 34 of 80
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Display data
memory
Selector
Multi-
plexer
3 2 1 0
3 2 1 0
S31/BP7
1FFH
3 2 1 0
3 2 1 0
S30/BP6
1FEH
Segment driver
3 2 1 0
3 2 1 0
S24/BP0
1F9H
4
Figure 6-10. LCD Controller/Driver Block Diagram
3 2 1 0
3 2 1 0
1F8H
S23
Internal bus
3 2 1 0
3 2 1 0
1E0H
S0
COM3 COM2 COM1 COM0
Display mode register
Common driver
8
Timing
controller
f
LCD
V
voltage control
LC2
Display
control
register
LCD drive
4
V
LC1
V
LC0
output latch
Port 3
1 0
4
P31/
SYNC
P30/
LCDCL
register group A
Port mode
1 0
8
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