User Manual version 2503
The Digital I/O is of TTL interface. It is controlled via software programming.
Digital I/O Programming
Input/output address: | 208H | |
In_Data 0~3=SD0~SD1 |
| |
Out_Data 0~3 SD4~SD7 |
| |
EXAMPLE: |
| |
10 | REM Digital I/O example program | |
20 | X = INP (&H208) | REM INPUT Digital I/O port |
|
| for 4 bit |
30 | X = OUT (&H208) | REM OUTPUT Digital I/O port |
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| for 4 bit |
60END
100Return
Port 208H Definition
LIBRA 120 III (PC620 Intel 815E) |
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