The following table defines the GX5280 DIO to I/O signals. This interface uses a 68-pin VHD connector.
Pin |
Signal |
Type |
Pin |
Signal |
Type |
Pin |
Signal |
Type |
Pin |
Signal |
Type |
1 |
IO0 |
I/O |
18 |
IO17 |
I/O |
35 |
GND |
P |
52 |
GND |
P |
2 |
IO1 |
I/O |
19 |
IO18 |
I/O |
36 |
GND |
P |
53 |
GND |
P |
3 |
IO2 |
I/O |
20 |
IO19 |
I/O |
37 |
GND |
P |
54 |
GND |
P |
4 |
IO3 |
I/O |
21 |
IO20 |
I/O |
38 |
GND |
P |
55 |
GND |
P |
5 |
IO4 |
I/O |
22 |
IO21 |
I/O |
39 |
GND |
P |
56 |
GND |
P |
6 |
IO5 |
I/O |
23 |
IO22 |
I/O |
40 |
GND |
P |
57 |
GND |
P |
7 |
IO6 |
I/O |
24 |
IO23 |
I/O |
41 |
GND |
P |
58 |
GND |
P |
8 |
IO7 |
I/O |
25 |
IO24 |
I/O |
42 |
GND |
P |
59 |
GND |
P |
9 |
IO8 |
I/O |
26 |
IO25 |
I/O |
43 |
GND |
P |
60 |
GND |
P |
10 |
IO9 |
I/O |
27 |
IO26 |
I/O |
44 |
GND |
P |
61 |
GND |
P |
11 |
IO10 |
I/O |
28 |
IO27 |
I/O |
45 |
GND |
P |
62 |
GND |
P |
12 |
IO11 |
I/O |
29 |
IO28 |
I/O |
46 |
GND |
P |
63 |
GND |
P |
13 |
IO12 |
I/O |
30 |
IO29 |
I/O |
47 |
GND |
P |
64 |
GND |
P |
14 |
IO13 |
I/O |
31 |
IO30 |
I/O |
48 |
GND |
P |
65 |
GND |
P |
15 |
IO14 |
I/O |
32 |
IO31 |
I/O |
49 |
GND |
P |
66 |
GND |
P |
16 |
IO14 |
I/O |
33 |
VTH |
P |
50 |
GND |
P |
67 |
VTH |
P |
17 |
IO14 |
I/O |
34 |
GND |
P |
51 |
GND |
P |
68 |
GND |
P |
68-Pin I/O TTL Signals, J1
Notes for the table:
Pin: Pin number
I/O: Input or Output
P: Power/GND
IO0 – IO31: Single Ended Data Lines.
VTH – Termination voltage for data and control signals.