ST7637 datasheet(95/210 Pages) SITRONIX

95 / 210 page

ST7637

Ver 1.6

95/210

2009/03

9.1.18. APON: All Pixels On (23h) (Only for Test Purposes)

Command

/RD

/WR

Hex

APON

(23h)

Parameter

No Parameter

Description

This command is only used for test purpose 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.

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

This command has no effect when module is already All Pixel On mode.

Availability

Status

Availability

Normal Mode On, Idle Mode Off, Sleep Out

Yes

Normal Mode On, Idle Mode On, Sleep Out

Yes

Partial Mode On, Idle Mode Off, Sleep Out

Yes

Partial Mode On, Idle Mode On, Sleep Out

Yes

Sleep In

Yes

Default

Status

Default Value

Power On Sequence

All pixel on mode disable

S/W Reset

All pixel on mode disable

H/W Reset

All pixel on mode disable

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