Digital I/O Connector (Cn2); Smbus Connector (Cn3); Usb Wafer Connector (Cn4) - AXIOMTEK CAPA830 User Manual

®
CAPA830 Intel Atom
2.4.2

Digital I/O Connector (CN2)

The board is equipped with an 8-channel (3 inputs and 5 outputs) digital I/O connector
that meets requirements for a system customary automation control. The digital I/O can
be configured to control cash drawers and sense warning signals from an Uninterrupted
Power System (UPS), or perform store security control. You may use software
programming to control these digital signals.
Pin Signal
1 Digital Input 0
3 Digital Input 1
5 Digital Input 2
7 GND
9 GND
2.4.3

SMBus Connector (CN3)

This connector is for SMBus interface. The SMBus (System Management Bus) is a
simple 2-wire bus for the purpose of lightweight communication.
Pin
1
2
3
2.4.4

USB Wafer Connector (CN4)

These 2x5 pin wafer is Universal Serial Bus (USB) connector. It is for installing versatile
USB 2.0 compliant interface peripherals.
CN4 carries USB port 4 and 5.
Pin Signal
1 USB VCC (+5V level)
3 USB #4_D-
5 USB #4_D+
7 GND
9 GND
14
TM
D2550/N2800/N2600 Processor 3.5" SBC
Pin Signal
2 Digital Output 0
4 Digital Output 1
6 Digital Output 2
8 Digital Output 3
10 Digital Output 4
Signal
CLK
DATA
GND
Pin Signal
2 USB VCC (+5V level)
4 USB #5_D-
6 USB #5_D+
8 GND
10 GND
Board and Pin Assignments