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| 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)： | 35/56頁 |
| 文件大?。?/td> | 435K |
| 代理商： | UPD16682W |
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Data Sheet S13368EJ3V0DS00
35
μ
PD16682
12.19.1 Static indicator ON/OFF
When the static indicator ON command is input, the static indicator register set command becomes valid. Once the
static indicator ON command has been input, any command other than the static indicator register set command
cannot be used. This restriction is cleared once data has been set to the register by the static indicator register set
command.
A0
E, /RD
R,/W, /WR
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Static Indicator
0
1
0
1
0
1
0
1
1
0
0
OFF
1
ON
12.19.2 Static indicator register set
This command sets data to the two-bit static indicator register and then sets the static indicator to blink mode.
A0
E, /RD
R,/W, /WR
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Static Indicator
0
1
0
X
X
X
X
X
X
0
0
OFF
0
1
ON (blinks at one-
second interval)
1
0
ON (blinks at half-
second interval)
1
1
ON (always ON)
Figure 12
4. Sequence of Static Indicator Register Set Operations
No
Yes
Static indicator ON
Static indicator register set
Cancel static indicator mode
Changes completed
12.20 Power Save (Compound Command)
The current consumption can be greatly reduced by entering the power save status by inputting the display all ON
command while the display is in OFF mode.
The power save (low power) mode includes two modes; sleep mode and standby mode. Turning the static indicator
OFF sets sleep mode and turning it ON sets standby mode.
During either sleep mode or standby mode, the display data is retained as it was before the power save function
was activated. Also, access to the display data RAM from the MPU is possible during either mode.
Use the display all OFF command to cancel power save mode.
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