NXP Semiconductors
UM11216
PCA9420UK-EVM evaluation board user manual
UM11216
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User manual
Rev. 1.2 — 11 March 2020
11 / 26
Jumper/
Switch
Description
Setting
Connection/Result
[1-2]
Pullup to external LDO output
J8
Pullup configuration for
MODE function
[2-3]
Pullup to LDO2 output
[1-2]
Logic high
J9
Logic configuration for
MODESEL1
[2-3]
Logic low
[1-2]
Pullup to external LDO output
J10
Pullup configuration for I/O
voltage
[2-3]
Pullup to LDO2 output
[1-2]
Pullup to external LDO output
J11
Logic voltage configuration
for INTB
[2-3]
Pullup to LDO2 output
[1-2]
Pullup to USB input
J13
VDD configuration for
external LDO
[2-3]
Pullup to VBAT
[1-2]
Pulldown to 100k
J14
NTC configuration
[2-3]
Pulldown to 10k