Table 4-31. Jumpers
Designator
From
To
Comment
J101
VCC_TARGET_X_P3V3_P5V0
VCC_TARGET_P3V3_P5V0
Remove this jumper (JS100) to
measure current to the MCU
section
J102
VCC_P5V0 (pin 1) and
VCC_P3V3 (pin 3)
VCC_TARGET_SWITC
H_P3V3_P5V0
Use this jumper (JS101) to select
either 5.0V or 3.3V voltage to the
Target section. Default setting in
production is 5.0V.
J104
3.3V linear regulator output for
Target section
VCC _P3V3
Cut this jumper to measure current
to the Target and MCU sections.
J105
3.3V linear regulator output for
EDBG section
VCC_EDBG_P3V3
Cut this jumper to measure current
to the EDBG sections.
J106
VCC_TARGET_X_P3V3_P5V0
VCC_TARGET_P3V3_P5V0
Cut this jumper to measure current
to the Target section.
J501
LIN Host Node
Pull-up resistor to VS voltage
Mount this jumper (JS501) to
set the LIN transceiver as Host
Node Pull-Up. Default setting in
production is mounted.
J502
VS_LIN
VCC_TARGET_P3V3_P5V0
Mount this jumper (JS500)
to power the LIN transceiver
from VCC_TARGET_P3V3_P5V0.
Remove this jumper when the LIN
transceiver is powered from the LIN
bus. Default setting in production is
mounted.
J504
CAN 0 device, Standby pin
GND
Cut this jumper to explore the
standby functionality of the CAN 0
transceiver (ATA6561).
J506
CAN 1 device, Standby pin
GND
Cut this jumper to explore the
standby functionality of the CAN 1
transceiver (ATA6561).
EV81X90A
Hardware User Guide
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS70005482B-page 26
