ST7669V Datasheet, PDF (98/208 Pages) Sitronix Technology Co., Ltd. – 262K 132x162 Color Dot Matrix LCD Controller/Driver

ST7669V
9.1.18 ALLPON: All Pixels On (23H) (Only for Test Purposes)
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
HEX
Command
0
1
0
0
0
1
0
0
0
1
1
23H
Parameter
No parameter
Description
This command is only used for test purposes e.g. pixel response time (on/off) measurements on the
passive matrix display. Therefore, it is possible that this command is not used for final product software.
There is not used PWM or Mixed FRC/PWM driving method on the display.
All driver outputs become “High” data state and display becomes white.
This command makes no change of contents of display memory.
This command does not change any other status.
Exit commands are “All Pixels On”, “Normal Display Mode On” and “Partial Display On”.
The display is showing the contents of the frame memory after “Normal Display Mode On” and “Partial
Display On” commands.
Restriction
Register
Availability
This command has no effect when IC is already in all pixels on mode.
Status
Normal Mode On, Idle Mode Off, Sleep Out
Normal Mode On, Idle Mode On, Sleep Out
Partial Mode On, Idle Mode Off, Sleep Out
Partial Mode On, Idle Mode On, Sleep Out
Sleep In
Availability
Yes
Yes
Yes
Yes
Yes
Default
Status
Power On Sequence
S/W Reset
H/W Reset
Default Value
All pixel on mode disable
All pixel on mode disable
All pixel on mode disable
Ver 1.3
98/208
6/4/2008