Factory IO Connector
Domino Symphony is equipped with an internal 34-pin header connector named Factory IO for general-purpose I/O connection.
34-pin male receptacle, dual-row 2.54mm pitch, straight shrouded header
(board viewed from component side)
Factory IO pins assignment
Pin # |
Pin name |
Usage |
1 |
GND |
Signal ground |
2 |
GND |
Signal ground |
3 |
IN1-A |
Differential input 1 |
4 |
IN1-B |
Differential input 1 |
5 |
IN2-A |
Differential input 2 |
6 |
IN2-B |
Differential input 2 |
7 |
IN3-A |
Differential input 3 |
8 |
IN3-B |
Differential input 3 |
9 |
IN4-A |
Differential input 4 |
10 |
IN4-B |
Differential input 4 |
11 |
OUT1-A |
Differential output 1 |
12 |
OUT1-B |
Differential output 1 |
13 |
OUT2-A |
Differential output 2 |
14 |
OUT2-B |
Differential output 2 |
15 |
OUT3-A |
Differential output 3 |
16 |
OUT3-B |
Differential output 3 |
17 |
OUT4-A |
Differential output 4 |
18 |
OUT4-B |
Differential output 4 |
19 |
OUT5-A |
Differential output 5 |
20 |
OUT5-B |
Differential output 5 |
21 |
OUT6-A |
Differential output 6 |
22 |
OUT6-B |
Differential output 6 |
23 |
OUT7-A |
Differential output 7 |
24 |
OUT7-B |
Differential output 7 |
25 |
OUT8-A |
Differential output 8 |
26 |
OUT8-B |
Differential output 8 |
27 |
OUT9-A |
Differential output 9 |
28 |
OUT9-B |
Differential output 9 |
29 |
OUT10-A |
Differential output 10 |
30 |
OUT10-B |
Differential output 10 |
31 |
OUT11-A |
Differential output 11 |
32 |
OUT11-B |
Differential output 11 |
33 |
OUT12-A |
Differential output 12 |
34 |
OUT12-B |
Differential output 12 |
See I/O Operation for the operation of I/O lines.