IEE SLB524-X4X0, Справочное руководство

Страница: 17 / 21

Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
SLB524-X4X0
Van Nuys, California
SCALE N/A
REV
A
SHEET 17 of 21
06/21/02
4.4 User Defined Character Loading (5 x 8 Dot Matrix)
A maximum of eight 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 (01-08)
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