User Guide
16 of 35
002-36452 Rev. **
2022-10-07
CYW920819M2EVB-01 evaluation kit user guide
Kit operation
Jumper J7
(VIO_BASE
selection)
Default state
Connection on
CYW20819
Description
1 and 3
Open
Short these pins to supply VIO_BASE of the
CYW20819 device, as well as all peripherals and
sensors from the coin cell supply (VCOIN).
Table 5
Jumper J8 pin configurations
Jumper J8 (VBAT
selection)
Default state
Connection on
CYW20819
Description
2 and 3
Shorted
SR_PVDD,
PMU_AVDD
Short these pins to supply 3.0 V to VBAT of the
CYW20819 device. Also, use this jumper to measure
the current consumption of VBATT when using 3.0-
V supply.
3 and 4
Open
Short these pins to supply 1.8 V to VBATT of the
CYW20819 device. Also, use this jumper to measure
the current consumption of VBATT when using 1.8-
V supply.
1 and 3
Open
Short these pins to use the coin cell supply VBATT
of the CYW20819 device. Also, use this jumper to
measure the current consumption of VBATT when
using the coin cell supply (VCOIN).
Table 6
Jumper J18 pin configuration
Jumper J18
(Thermistor
connect/
disconnect)
Default state
Connection on
CYW20819
Description
1 and 2
Shorted
P8
Short this jumper to connect the on-board
thermistor to CYW20819.
Table 7
Jumper J17 pin configuration
Jumper J17
(VDDIO current
measurement)
Default state
Connection on
CYW20819
Description
1 and 2
Shorted
VDDIO1, VDDIO2
Short this jumper to supply power to the I/O
domain (VDDIO) of CYW20819. Also, use this jumper
to measure the current consumption of the I/O
domain.
Table 8
Jumper J19 pin configuration
Jumper J19
(Peripheral
enable)
Default state
Connection on
CYW20819
Description
1 and 2
Shorted
NA
Allows power to on-board peripherals such as
ambient light sensor.