AGM1232G SERIES GRAPHIC MODULE
12.0 DISPLAY CONTROL INSTRUCTION
The display control instructions control the internal state of the SED1520DOA/FOA. Instructions are
received from MPU to SED1520DOA/FOA for the display control.
INSTRUCTION
A0
R/W DB7 DB6 DB5 DB4 DB3 DB2
DB1 DB0
DESCRIPTION
Turns display on or off.
0: OFF. 1:ON
Display ON/OFF
0
0
0
0
1
1
0
0
1
1
0
1
1
1
1/0
Sets display RAM Page in
Page address register
Set Page Address
1
1
0
Page (0~3)
Sets display RAM column
address in column address
register
Set Column
0
0
0
0
0
1
Column address (0~79)
(Segment address)
Indicates the display data
RAM displayed at the top of
the screen.
Display Start
Line
1
0
Display start line (0~31)
Reads the following status:
BUSY
ADC
0: Ready
1: Busy
1: CW output
0: CCW output
0: Display on
1: Display off
0: Normal
Status Read
0
1
0
0
0
0
ON/OFF
RESET
1: BeingReset
Writes data DB0~DB7 from
bus into display data RAM.
Write Display Data
Read Display Data
1
1
0
1
Write Data
Read Data
Reads data DB0~DB7 from
display data RAM onto the
data bus.
Select ADC
0
0
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0/1 0: CW output,1: CCW output
1: Static drive,
0/1
Static drive ON/OFF
1
0
0
0
0: Normal driving
Select LCD duty cycle
Select duty
0
0
1
0
1
0
1
0/1
1:1/32, 0: 1/16
Read-Modify-Write
END
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
1
0
0
1
0
0
1
1
0
0
0
Read-Modify-write ON
Read-Modify-write OFF
Software reset
Reset
11
AZ DISPLAYS, INC.
04/26/01
AZDISPLAYS [ AZ DISPLAYS ]
