SAMC21 datasheet(27/46 Pages) ATMEL

27 / 46 page

Table 4-26. Jumpers

Designator

From

Comment

J101

VCC_TARGET_X_P3V3

_P5V0

VCC_TARGET_P3V3_P

5V0

Remove this jumper

(JS100) to measure

current to the MCU

section

J102

VCC_IN_P5V0 (pin 1)

and

VCC_P3V3_TARGET

(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.

J103

VCC_IN_P5V0

VCC_P5V0

Cut this jumper to

measure current from

the 5.0V input MUX

section. The footprint is

0603 sized.

J104

3.3V linear regulator

output for EDBG section

VCC_EDBG_P3V3

Cut this jumper to

measure current to the

EDBG section. The

footprint is 0603 sized.

J105

3.3V linear regulator

output for Target and

MCU sections

VCC_P3V3

Cut this jumper to

measure current to the

Target and MCU

sections. The footprint is

0603 sized.

J106

VCC_TARGET_X_P3V3

_P5V0

VCC_TARGET_P3V3_P

5V0

Cut this jumper to

measure current to the

Target section. The

footprint is 0603 sized.

J300

PA15_XOUT

16MHz crystal pin

Cut this jumper and

mount resistors to find

16MHz crystal oscillator

safety factor. The

footprint is 0603 sized.

J501

LIN signal

Pull-up resistor to VS

voltage

Mount this jumper

(JS501) to set the LIN

transceiver as Master

node. Default setting in

production is mounted.

Atmel SAM C21 Xplained Pro [USER GUIDE]

Atmel-42460D-SAM-C21-Xplained-Pro_User Guide-08/2016

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