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APE1553-1/2(-DS) Hardware Manual
2.4 Board to Board Connector (B2B connector)
The Board to Board connector provides the eight General Purpose Discrete I/O signals
(GPIO’s) and an additional “one pin” combined IRIG-B Master-Output/Slave Input on a
16-pin ribbon cable connector (mounted on the upper right corner, see figure the figure
below).
Figure 2.4-1: B2B Connector for 16-pin ribbon cable
Pin Signal Name
Comments
1
Reserved
Do not connect
2
Reserved
Do not connect
3
ASL GPIO 1
GPIO 1
4
ASL GPIO 2
GPIO 2
5
ASL GPIO 3
GPIO 3
6
ASL GPIO 4
GPIO 4
7
ASL GPIO 5
GPIO 5
8
ASL GPIO 6
GPIO 6
9
ASL GPIO 7
GPIO 7
10
ASL GPIO 8
GPIO 8
11
Reserved
Do not connect
12
IRIG
Master-Output / Slave-Input
13
GND
14
Reserved
Do not connect
15
Reserved
Do not connect
16
Reserved
Do not connect
Table 2.4-1: B2B connector Pinout
For connecting multiple APE1553 boards together a 16-pin standard ribbon cable with a
coded ribbon cable connector is used. It’s important to use coded connectors to avoid
damages caused by signal collisions.
Pin 16
Pin 2
Pin 1
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