
Chapter 2: Hardware Information
NEO Expansion Port Pinout
18 Psion Teklogix NEO HDK User Manual
2.7.4 NEO Expansion Port Pinout
The NEO 16-pin expansion port connector has the following pinout:
The pins are numbered from right to left, and the EXP_~TRIG (pin 6) and GND (pin 1)
connections are also wired to the two oversize connector pads as shown:
Table 2.1 NEO Expansion Port Pinout
Pin Signal Name Type
1 GND Ground reference
2 GND Ground reference
3 USB- Bidirectional
4 USB+ Bidirectional
5 GND Ground reference
6 EXP_~TRIG Input
7 EXP_~DETECT Input
8 SW_VSYS_PWR Power from computer
9 SW_VSYS_PWR Power from computer
10 SW_VSYS_PWR Power from computer
11 SW_VSYS_PWR Power from computer
12 SW_VSYS_PWR Power from computer
13 GND Ground reference
14 GND Ground reference
15 GND Ground reference
16 GND Ground reference
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