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2.17 Watchdog timer configuration
An on-board watchdog timer reduces the chance of disruptions which
EMP (electro-magnetic pulse) interference can cause. This is an invalu-
able protective device for standalone or unmanned applications. Setup
involves one jumper and running the control software (refer to Appendix
A).
2.18 USB connectors (CN5,CN9)
The board provides up to three USB (Universal Serial Bus) ports. This
gives complete Plug and Play, and hot attach/detach for up to 127 external
devices. The USB interfaces comply with USB specification Rev. 2.0
which supports 480Mbps transfer rate, and are fuse protected.
The USB interface is accessed through one 5 x 2-pin flat-cable connec-
tors, CN5 (USB0, 1). You will need an adapter cable if you use a stan-
dard USB connector. The adapter cable has a 5 x 2-pin connector on one
end and a USB connector on the other.
Also, There's one USB2.0 jack on CN9 for convenient connecting USB
device.
The USB interfaces can be disable in the system BIOS setup.
2.19
GPIO (General Purpose Input Output) (CN7)
The board supports 10-bit GPIO through GPIO connector. The 10 digital
in- and out-puts can be programmed to read or control devices, with input
or out- put defined. The default setting is 5 bits input and 5 bits output.
2.20 MIO Connector (CN4)
please refer to Chapter 8.
PCM-9386 User's Manual
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