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參數(shù)資料
| 型號： | UPD16682N |
| 廠商： | NEC Corp. |
| 英文描述： | 1/65 DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM |
| 中文描述： | 1 / 65稅LCD控制器/驅(qū)動器，片內(nèi)RAM |
| 文件頁數(shù)： | 40/56頁 |
| 文件大?。?/td> | 435K |
| 代理商： | UPD16682N |
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Data Sheet S13368EJ3V0DS00
40
μ
PD16682
13. ACCESS PROCEDURE
13.1 Initialization setting example (from power application to display ON)
Although a V
SS
level is output from the SEG and COM LCD drive output pins when power is applied to the IC, if
there is electric charge remaining in the smoothing capacitor connected between the driver reference power supply
pins (V
LC1
to V
LC5
) and V
SS
, or if the DC/DC converter's booster voltage does not reach the prescribed booster
potential or the levels of the reference power supplies (V
LCn
) do not reach the prescribed voltages when power is
applied, abnormalities such as a temporary screen blackout may occur when the display turns on.
The following power application flow is recommend to avoid the occurrence of abnormal operation when the power
is turned on.
Power supply between V
DD
/V
DD2
and V
SS
ON
when /RES pin in L state
Display ON
Power supply stabilization
Reset state release (/RES pin = H)
Initial settings state
Note1
User settings via command input (1)
LCD bias set
ADC select
Common output status selection
Note2
Note3
Note4
User settings via command input (2)
Set on-chip resistance factor for V
LC1
voltage regulator
Electronic volume
Note5
Note6
User settings via command input (3)
Power control set
Note7
End of initial settings
LCD display screen settings
Display start line set
Writing screen data, etc.
Note8
Note9
Be sure to allow at least 700 ms between
power control set and display ON (when the
V
LC1
to V
LC5
smoothing capacitor is 0.22
μ
F or less).
Note10
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相關(guān)代理商/技術(shù)參數(shù) |
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| UPD16682P-004 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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