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NXP Semiconductors
UM11216
PCA9420UK-EVM evaluation board user manual
UM11216
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© NXP B.V. 2020. All rights reserved.
User manual
Rev. 1.2 — 11 March 2020
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7 Jumper and switch definitions
shows the location of jumpers and switch on the evaluation board.
Figure 3. Jumper and switch locations for PCA9420UK-EVM
describes the function and settings for each jumper and switch.
Table 2. Jumper and switch definitions
Jumper/
Switch
Description
Setting
Connection/Result
SW1
ON
Open
Connect ON pin to ground when
pressed. Causes wake-up event of
PMIC
J5
FTDI-CTRL
I
2
C interface connection with FTDI cable.
Orange color for SCL, Yellow and Green
color for SDA
J6
Voltage monitor
Measure voltages for PCA9420UK
1: VBAT
2: BUCK2 output
3: BUCK1 output
4: LDO2 output
5: LDO1 output
[1-2]
Logic high
J7
Logic configuration for
MODESEL0
[2-3]
Logic low