Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
SLB324-X4X
I
Van Nuys, California
SCALE N/A
REV
D
SHEET 6
10/10/03
4.0
OPERATION
4.1
Loading ASCII Character Data
All printing characters are located in standard ASCII code locations from 20 (HEX) to FF (HEX). Control
character assignments are as follows.
4.2
Control Codes
NOTE: CARE SHOULD BE TAKEN NOT TO SEND UNDEFINED CONTROL OR COMMAND CODES TO
THE DISPLAY MODULE AS THIS MAY CAUSE A SOFTWARE MALFUNCTION OF THE MODULE.
4.2.1
Instruction
DATA (HEX)
DESCRIPTION
01
READING THE CHARACTER CAPACITY OF THE DISPLAY (DISPLAY RESPONDS
SENDING 1E (HEX))
02
DISPLAY SOFTWARE CHECKSUM AND SOFTWARE NUMBER
03
READ CURSOR LOCATION VALUE (DISPLAY RESPONDS WITH 1 BYTE)
FOR 8 x 18 DOT CHARACTERS
FOR 5 x 8 DOT CHARACTERS
01-0F (HEX) FOR LINE 1
01-14 (HEX) FOR LINE 1
21-2F (HEX) FOR LINE 2
21-34 (HEX) FOR LINE 2
41-54 (HEX) FOR LINE 3
61-74 (HEX) FOR LINE 4
04
READ DATA AT PRESENT CURSOR LOCATION
05-H1-H2-3A-MI-M2-CR:
Enable the display of the internal clock and the changing of the internal
clock contents.
“H1-H2-3A-M1-M2” is an optional parameter that to replace the original
internal clock data.
H1=30 hex to 32 hex (HOUR)
H2=30 hex to 39 hex (HOUR)
3A=”:”
M1=30 hex to 35 hex (MINUTE)
M2=30 hex to 39 hex (MINUTE)
CR=0D hex
06
BEGIN BLINK FIELD AT CURRENT CURSOR LOCATION
07
END BLINK FIELD AT CURRENT CURSOR LOCATION
08
BACKSPACE CURSOR LOCATION ONE POSITION (cursor stays when at HOME location)
09
ADVANCE CURSOR LOCATION ONE POSITION (cursor wraps around after bottom right
character location)
0A
LINE FEED (vertical scroll from bottom line; cursor position does not change)
0C
CLEAR THE DISPLAY (cursor stays)
