protech PPC-7368, User Manual

Page: 41 / 103

Chapter 2 Hardware Configuration
Page: 2-26
PPC-7368 USER
’
S MANUAL
USB4 : Universal Serial Bus Connector.
The pin assignments are as follows :
PIN ASSIGNMENT
1 VCCUSB3
2 USB3N_R
3 USB3P_R
4 GND
5 GND
2-28. RESET / NMI SELECTION
JP7
: Reset/NMI/Clear Watchdog Selection
The selections are as follows:
FUNCTION JUMPER SETTING
JUMPER
ILLUSTRATION
Reset
(default)
1-2
NMI 3-4
User may select to use the Reset or NMI watchdog. NMI, also known as Non-Maskable
Interrupt, is used for serious conditions that demand the processor’s immediate attention,
it cannot be ignored by the system unless it is shut off specifically. To clear NMI
command, user should short the “Clear Watchdog” pin via push button.