參數(shù)資料
型號(hào): 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(dòng)器,片內(nèi)RAM
文件頁數(shù): 88/124頁
文件大?。?/td> 647K
代理商: UPD161401
Data Sheet S15726EJ2V0DS
88
μ
PD161401
6.37 Power System Control Register 2 (R53)
This command sets the power system mode of the
μ
PD161401.
RS
E
/RD
R,/W
/WR
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Setting
1
1
0
VRR3
VRR2
VRR1
VRR0
SVR3
SVR2
SVR1
SVR0
VRR3 to VRR0
When the main duty display mode is used, the resistance ratio can be changed in 16 steps by the V
LCD
internal
resistance ratio adjustment command. Four bits of the V
LCD
internal resistance ratio adjustment register set the
reference value of (1 + Rb/Ra) to the value shown in
Table 6
22
.
When the sub-duty display mode is used, the resistance ratio can be changed in 16 steps by the V
LCD
internal
resistance ratio adjustment command. Four bits of the V
LCD
internal resistance ratio adjustment register set the
reference value of (1 + Rb/Ra) to the value shown in
Table 6
22
.
SVR3 to SVR0
Table 6-22. VLCD Internal Resistance Ratio Adjustment Register
Register
VRR3
VRR2
VRR1
VRR0
SVR3
SVR2
SVR1
SVR0
1 + Rb/Ra
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Default value (default value of reset command)
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
0
0
0
0
0
0
0
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