User's guide
17
6. Connection
The CIO-32 signals of the four general-purpose 8-bit ports and the two special-purpose 4-
bit ports are present on the 50-pin IP I/O connector. The power 5V is also provided
for external signal conditioning, and it's short-circuit protected from CIO-32 revision "A"
module.
Signals
Description
PortA[7:0]
Port A general-purpose 8-
bit port
PortB[7:0]
Port B general-purpose 8-
bit port
PortC[7:0]
Port C general-purpose 8-
bit port
PortD[7:0]
Port D general-purpose 8-
bit port
PortE[3:0]
Port E special-purpose 4-
bit ports
PortF[3:0]
Port F special-purpose 4-
bit ports
VDD
+ 5 V, 500 mA max.
Fuse protected on
revision A.
GND
Ground
This connection is compatible with the I/O connection
standard, on the 50-pin IP I/O connector, defined by ACTIS
Computer.
An adaptor module (DB25D) from ACTIS Computer is also
available for an easily user connection. It provides two DB-
25 connectors and measures 3HE x 4TE on front panel.
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