Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
SLB524-X4X0
Van Nuys, California
SCALE N/A
REV
A
SHEET 6 of 21
06/21/02
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 50 (HEX))
02
DISPLAY SOFTWARE CHECKSUM AND SOFTWARE NUMBER
03
READ CURSOR LOCATION VALUE
(DISPLAY RESPONDS WITH 1 BYTE)
FOR 5X8 DOT CHARACTERS
FOR 10X14 DOT CHARACTERS
01-14 (HEX) FOR LINE 1
21-34 (HEX) FOR LINE 2
41-54 (HEX) FOR LINE 3
61-74 (HEX) FOR LINE 4
01-0A (HEX) FOR LINE 1
21-2A (HEX) FOR LINE 2
04
READ DATA AT PRESENT CURSOR LOCATION
05
05-C-L-D
GRAPH MODE: DISPLAY 8 PIXEL DATA D ON LINE L COLUMN C
C = 01-0F (HEX) (15 columns, each 8 pixels wide = 120 pixels)
L = 01-24 (HEX) (36 pixel lines)
D = 8 PIXEL DATA
example: 05-01-01-A3: turn on 1st, 3rd, 7th and 8th pixel from upper left corner
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)
0D
CARRIAGE RETURN (returns cursor to left-most character position of the same line;
does not clear display)
0E
MAKE CURSOR INDICATOR INVISIBLE (the cursor location counter continues to function
but there is no visible indicator of next character location)
0F
+ MAKE CURSOR INDICATOR VISIBLE, FLASHING BLOCK.
