Addi-Data APCI-1710 Funktion Beschreibung - Seite 7
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Function description
1.2 Block diagram
1.3 Used signals
Ports A, B and C of each function module (FM0 to FM3) each have eight inputs and outputs.
In addition, each function module has two inputs and outputs (I and J) of port D, which can only be
used for the "TTL I/O" function.
Pin name
PA0 to PA7
PB0 to PB7
PC0 to PC7
GND
Kx
Ix (PD0)
Jx (PD1)
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Fig. 1-1: Block diagram: "TTL I/O" function
Table 1-1: Used signals
Signal type
TTL
Input or output (after the reset: input)
TTL
Input or output (after the reset: input)
TTL
Input or output (after the reset: input)
PC GND
GND, not optically isolated
TTL
Please do not connect anything!
TTL
Input or output (after the reset: output)
TTL
Input or output (after the reset: output)
7
Function
TTL I/O