Hardware reference
HARDWARE REFERENCE MANUAL
78
Revision 5.0
LEDs 0 - 7
The I/O LEDs reflect the activity of the input and outputs. You can use the
BASIC
DISPLAY=n
command to set the LEDs.
The table below lists the configuration for LEDs 0 - 7 and the
DISPLAY=n
command where
n
ranges from 0 to 7.
/i
For example, if you use the
DISPLAY=1
command, LED 5 reflects the
activity of the input in 13 (pin16) of the 28-pin I/O connector.
LED
label
n=0
n=1
n=2
n=3
n=4
1
1. Outputs 0 to 7 are not physical outputs.
n=5
n=6
n=7
0
IN 0
IN 8
IN 16
IN 24
OUT 0
OUT 8
OUT 16
OUT 24
1
IN 1
IN 9
IN 17
IN 25
OUT 1
OUT 9
OUT 17
OUT 25
2
IN 2
IN 10
IN 18
IN 26
OUT 2
OUT 10
OUT 18
OUT 26
3
IN 3
IN 11
IN 19
IN 27
OUT 3
OUT 11
OUT 19
OUT 27
4
IN 4
IN 12
IN 20
IN 28
OUT 4
OUT 12
OUT 20
OUT 28
5
IN 5
IN 13
IN 21
IN 29
OUT 5
OUT 13
OUT 21
OUT 29
6
IN 6
IN 14
IN 22
IN 30
OUT 6
OUT 14
OUT 22
OUT 30
7
IN 7
IN 15
IN 23
IN 31
OUT 7
OUT 15
OUT 23
OUT 31
