Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
S03601-95B-40
Van Nuys, California
SCALE N/A
REV A
SHEET 9 of 14
08/26/02
4.5 Alternate Character Codes
Not available at this time.
4.6 External Font Loading (5 X 7 Dot Matrix)
One or more characters may be replaced temporarily (until power-off or reset) by user-defined down-loaded
character patterns. To do so, enter the following sequence of commands and data:
BYTE DESCRIPTION
1 Start load 18 (HEX)
2 Location
3-7 Character dot data
8 Last byte with end bit
End bit E: 0 = end of external font load
End bit E: 1 = continue to next ASCII character position
Location byte: 00 → F6 (Hex) location 05 → FB (Hex) location
01 → F7 (Hex) location 06 → FC (Hex) location
02 → F8 (Hex) location 07 → FD (Hex) location
03 → F9 (Hex) location 08 → FE (Hex) location
04 → FA (Hex) location 09 → FF (Hex) location
NOTE 1: ADDRESSING EVERY DOT FOR EVERY GRID IS NOT RECOMMENDED.
4.7 Execution Times (Maximum)
Character rate: 220µS
Line feed: 230µS
Control codes: 230µS
Display clear: 350µS
Horizontal scroll: 530µS
Software (Reset): 710µS
Hardware (Reset): 500mS
CHARACTER DOT DATA
DATA BIT
7 6 5 4 3 2 1 0
3
4
5
6
7
X
X
X
X
X
03
07
11
15
19
17
13
09
05
01
34
30
26
22
18
X
23
27
31
35
X
04
08
12
16
X
14
10
06
02
X
33
29
25
21
8 X E X X 32 28 24 20
BYTE #
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
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