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): 57/124頁
文件大?。?/td> 647K
代理商: UPD161401
Data Sheet S15726EJ2V0DS
57
μ
PD161401
(2) Sub-duty display mode to main duty display mode
Operation status
Control register 1
DISP = 0, HALT = 0
Power system control register 5
(HPM1 = 0, HPM0 = 1)
Control register 2
DTY = 0
Sub-duty display mode
Note1
R0
Display OFF
. Internal operation starts.
R56
Change the operation mode of the operational
amplifier to “power ON mode”.
R1
Main duty display mode setting
Wait time
Wait for at least 160 ms.
Note2
The operation mode of the operational amplifier:
“normal mode”.
Power system control register 5
(HPM1 = 0, HPM0 = 0)
Control register 1
(DISP = 1, HALT = 0)
Setting completed
R56
R0
Display ON.
Internal operation starts.
Notes 1.
A scroll function cannot be used in sub-duty display mode. In the state where the scroll function is used by
main duty display mode when it changes to sub-duty, a scroll function is disregarded. Then, when it
changes to main duty display mode again, a scroll function returns to an effective state (state before
changing to sub-duty).
2.
The wait time varies depending on the characteristics of the LCD panel and the capacitance of the boosting
or smoothing capacitor. It is recommended to determine this value after thorough evaluation with the actual
system.
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