參數(shù)資料
型號: UPD161401
廠商: NEC Corp.
英文描述: 256-COLOR, 1/80-DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM
中文描述: 256色,1/80-DUTY LCD控制器/驅(qū)動器,片內(nèi)RAM
文件頁數(shù): 24/124頁
文件大小: 647K
代理商: UPD161401
Data Sheet S15726EJ2V0DS
24
μ
PD161401
Y address register (R5)
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
YA6
YA5
YA4
YA3
YA2
YA1
YA0
YA6 to YA0
Sets a line address.
Figure 5
4. Combination of INC, XDIR, and YDIR, and Address Scanning Image
00H
64H
00H
4FH
00H
64H
00H
4FH
A-1
B-1
B-2
B-3
B-4
A-2
A-3
A-4
X address
X address
Y
Y
5.2.4
Column address circuit
When the contents of the display data RAM are displayed, column addresses are output to the SEG output pins as
shown in
Figure 5
5
.
The correspondence relationship between the column addresses of the display RAM and segment outputs can be
reversed by the ADC flag (segment driver direction select flag) of control register 1 (R0). This reduces the restrictions
on chip layout when the LCD module is assembled.
Table 5
4. Relationship between Column Address of Display RAM and Segment Output
SEG Output
SEG
1
SEG
303
0
000H
Column address
12EH
ADC
(D
1
)
1
12EH
Column address
000H
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