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參數(shù)資料
| 型號： | UPD16682W |
| 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)： | 41/56頁 |
| 文件大?。?/td> | 435K |
| 代理商： | UPD16682W |
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Data Sheet S13368EJ3V0DS00
41
μ
PD16682
Notes 1.
See
11. RESET CIRCUIT.
2.
See
12.11 LCD Bias Set.
3.
See
12.8 ADC Select (Segment Driver Direction Select).
4.
See
12.15 Common Output Status Select.
5.
See
12.17 Set On-chip Resistance Factor for V
LC1
Voltage Regulator.
6.
See
12.18 Electronic Volume (Two-Byte Command).
7.
See
12.16 Power Control Set.
8.
See
12.2 Display Start Line Set.
9.
See
12.1 Display ON/OFF.
10.
This period changes depending on the panel characteristics and the capacitance of the booster/smoothing
capacitor. It is recommended to determine this value after sufficient evaluation using the actual device.
13.2 Example of power OFF
When turning the power of the IC off in the normal operation state (liquid crystal display ON, on-chip power supply
circuits operating), because there is electric charge remaining in the power supply level smoothing capacitor
connected between the driver reference power supply pins (V
LC1
to V
LC5
) and V
SS
, power continues to be supplied to
the LCD drive circuit and voltage may be applied to the LCD panel from the SEG and COM pins. At this time, the
LCD panel may momentarily display data.
Moreover, because the visual quality of the LCD panel may be affected, be sure to turn off the power to the IC in the
following sequence.
Normal operation state
Command input
Power save
Note1
Reset (/RES pin = L )
Note2
Power supply between V
DD
/V
DD2
and V
SS
OFF
Notes1.
See
12.20 Power Save (Compound Command).
2.
Application of a reset is optional.
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