Spectrum Digital AppBox C21 User Manual page 20

The table below describes the jumpers on the AppBox C21 CPU Board.
JUMPER
NAME
JP1
JP2
JP3
Installed = connects PA04_WP to Pin 7, U2, WP3
JP4
JP5
Installed = connects DGND to Pin 7, U2, WP3
JP6
JP7
Installed = connects PA14_XIN to PA14_PWM(P)
JP8
JP9
!
POSITION DESCRIPTION
Installed = +5 V power to pin 1, EXT1
Installed = +5 V power to pin 1, EXT2
Installed = +5 V power to pin 1, EXT3
EEPROM write protect enable
Installed = connects VDD_3V3 to
PA05_WAKE/FAULT, and Pin3, U5
LIN WAKE/FAULT enable
EEPROM write protect disable
Installed = connect VDD_5V to Pin 1, J2,
+5 volt output
XTAL/PWM option
Installed = connects PA15_XOUT to
PA14_PWM(N), XTAL/PWM option
WARNING 1 !
Jumpers JP4 and JP6 are used in the same circuit. Only 1
should be installed. If both are installed the circuit could be
damaged.
AppBox C21 System User's Guide
FACTORY SHIPPED
POSITION
Installed
Installed
Installed
Open – see warning 1
Installed
Installed – see warning 1
Open
Installed
Installed
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AppBox