3. P8R8-DIO Programming
3. P8R8-DIO Programming
This chapter provides the I/O map of P8R8-DIO registers. Example programs
and programming information are also included.
This chapter provides the I/O map of P8R8-DIO registers. Example programs
and programming information are also included.
3.1 I/O Address Map
3.1 I/O Address Map
The P8R8DIO boards occupy two consecutive addresses in the computer’s I/O
space. The base address is selected by DIP switch. The I/O map is shown in
Table 3-1.
Base Address at 300 Hex
Address
Write
Read
Base + 0
Relay Output (CH 0 ~ CH 7)
Read Back The Output Status
Base + 1
NO FUNCTION
DIGITAL INPUT (CH0 ~ CH7)
Table 3-1. I/O Address Map.
P8R8-DIO/P16R16-DIO User Manual (Ver.1.7, Oct. 2011, IMH-009-17)
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