參數(shù)資料
型號: UPD75316A
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 30/62頁
文件大小: 577K
代理商: UPD75316A
μ
P
3
Internal bus
1FFH
3 2 1 0
Display
data
memory
3 2 1 0
1FEH
3 2 1 0
3 2 1 0
1F9H
3 2 1 0
3 2 1 0
1F8H
3 2 1 0
3 2 1 0
1ECH
3 2 1 0
3 2 1 0
Multi-
plexer
Selector
S31/BP7
Common driver
S30/BP6
S24/BP0
S23
S0
COM3 COM2 COM1COM0 V
P31/
SYNC
LC2
V
LC1
V
LC0
LCD driving
voltage control
P30/
LCDCL
Timing
controller
f
LCD
Display mode register
Display
control
register
Port 3 out-
put latch
1 0
Port mode re-
gister group A
1 0
4
8
4
4
8
Fig. 5-7 LCD Controller/Driver Block Diagram
Segment driver
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