Epson SED 1520 Series COMMANDS, EPSON, Summary, SED1520 Series

SED1520 Series

COMMANDS

Summary

Command							Code							Function
	A0		RD	WR	D7	D6	D5	D4	D3	D2	D1	D0
Display On/OFF	0	1		0	1	0	1	0	1	1	1	0/1	Turns display on or off.
													1: ON, 0: OFF
Display start line	0	1		0	1	1	0	Display start address (0 to 31)					Specifies RAM line corresponding to top line
													of display.
Set page address	0	1		0	1	0	1	1	1	0	Page (0 to 3)		Sets display RAM page in page address
													register.
Set column	0	1		0	0		Column address (0 to 79)						Sets display RAM column address in
(segment) address													column address register.
													Reads the following status:
													BUSY	1: Busy
														0: Ready
													ADC	1: CW output
Read status	0	0		1	Busy	ADC	ON/OFF	Reset	0	0	0	0		0: CCW output
													ON/OFF	1: Display off
														0: Display on
													RESET	1: Being reset
														0: Normal
Write display data	1	1		0				Write data					Writes data from data bus into display RAM.
Read display data	1	0		1				Read data					Reads data from display RAM onto data
													bus.
Select ADC	0	1		0	1	0	1	0	0	0	0	0/1	0: CW output, 1: CCW output
Statis drive	0	1		0	1	0	1	0	0	1	0	0/1	Selects static driving operation.
ON/OFF													1: Static drive, 0: Normal driving
Select duty	0	1		0	1	0	1	0	1	0	0	0/1	Selets LCD duty cycle
													1: 1/32, 0: 1/16
Read-Modify-Write	0	1		0	1	1	1	0	0	0	0	0	Read-modify-write ON
End	0	1		0	1	1	1	0	1	1	1	0	Read-modify-write OFF
Reset	0	1		0	1	1	1	0	0	0	1	0	Software reset

2–14 EPSON