Specifications

Chapter 2-30
CMD DATA Description return
F7h Restart system and Clear header of Boot
code
None
F8h Shut down system and Clear header of
Boot code
None
F9h Clear header of Boot code None
5Ah RTC update
1 A0h Update Year of RTC ,Year(00-99) BCD
format
2 00-99 Year which want to display None
1 A1h Update Month of RTC ,Month ( 1..12) BCD
format
2 01-12 Month which want to display None
1 A2h Update DAY of RTC ,Day(01-07) BCD
format
2 01-07 Day which want to display None
1 A3h Update HOUR of RTC ,Hour(00-23) BCD
format
2 00-23 Hour which want to display None
1 A4h Update Minute of RTC ,Minute (0..59),
BCD format
2 00-59 Minutes which want to display None
1 A5h Update Second of RTC ,Second (0..59),
BCD format
2 00-59 Seconds which want to display None
5Bh Reserved
5Ch None Get brightness level current brightness level
(0x00-0x0a)
5Dh Set brightness level
0x00h-
0x0ah
new brightness level None
5Eh None Get contrast level Current contrast level
(0x00-0x40)
5Fh Set contrast level
0x00h-
0x40h
new contrast level None
Hot keys for system control
•
Definitions
All Fn Key will support Sticky key mode.
Fn + F5 Force Switching Display Mode(LCD->CRT->Simulataneous)
Fn + F10 Cursor keypad on/off.