Commands; Summary - Epson SED 1520 Series Technical Manual

SED1520 Series

COMMANDS

Summary

Command
A0 RD WR
Display On/OFF 0 1
Display start line 0 1
Set page address 0 1
Set column
0 1
(segment) address
Read status 0 0
Write display data 1 1
Read display data 1 0
Select ADC 0 1
Statis drive
0 1
ON/OFF
Select duty 0 1
Read-Modify-Write 0 1
End 0 1
Reset 0 1
2–14
Code
D D D
7 6 5
0 1 0 1
0 1 1 0
0 1 0 1
0 0 Column address (0 to 79)
1 Busy ADC ON/OFF Reset
0 Write data
1 Read data
0 1 0 1
0 1 0 1
0 1 0 1
0 1 1 1
0 1 1 1
0 1 1 1
D D D D D
4 3 2 1 0
0 1 1 1 0/1
Display start address (0 to 31)
1 1 0 Page (0 to 3)
0 0 0 0
0 0 0 0 0/1
0 0 1 0 0/1
0 1 0 0 0/1
0 0 0 0 0
0 1 1 1 0
0 0 0 1 0
EPSON
Function
Turns display on or off.
1: ON, 0: OFF
Specifies RAM line corresponding to top line
of display.
Sets display RAM page in page address
register.
Sets display RAM column address in
column address register.
Reads the following status:
BUSY 1: Busy
0: Ready
ADC 1: CW output
0: CCW output
ON/OFF 1: Display off
0: Display on
RESET 1: Being reset
0: Normal
Writes data from data bus into display RAM.
Reads data from display RAM onto data
bus.
0: CW output, 1: CCW output
Selects static driving operation.
1: Static drive, 0: Normal driving
Selets LCD duty cycle
1: 1/32, 0: 1/16
Read-modify-write ON
Read-modify-write OFF
Software reset