Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
SL530-X4X0
Van Nuys, California
SCALE N/A
REV
C
SHEET 17 of 21
05/01/02
4.4
User Defined Character Loading (5 x 8 Dot Matrix)
A maximum of four characters may be created temporarily (until power-off or reset) by a user-defined down-
loaded character pattern. To do so, enter the following sequence of commands and data:
BYTE
DESCRIPTION
1-3
Start load 1B-26-01 (HEX)
4
Location to begin download (20-FF hex)
5
Number of characters to download (01-04)
6-10
*Character dot data
*Repeat bytes 6-10 for the number of characters to be downloaded.
CHARACTER DOT DATA
BYTE #
7 6 5 4 3 2 1 0
6
7
8
9
10
36 31 26 21 16 11 6 1
37 32 27 22 17 12 7 2
38 33 28 23 18 13 8 3
39 34 29 24 19 14 9 4
40 35 30 25 20 15 10 5
CHARACTER MATRIX
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
26 27 28 29 30
31 32 33 34 35
36 37 38 39 40
Example: To download 1 Greek letter Psi for character F8.
1Bh
BYTE 1, start load
26h
BYTE 2, start load
01h
BYTE 3, start load
F8h
BYTE 4, location to begin download
01h
BYTE 5, download 1 character
0Ch
BYTE 6, Dots 16, 11 ON
91h
BYTE 7, Dots 37, 22, 2 ON
FFh
BYTE 8, Dots 38, 33, 28, 23, 18, 13, 8, 3 ON
91h
BYTE 9, Dots 39, 24, 4 ON
0Ch
BYTE 10, Dots 20, 15 ON