User Guide
15 of 35
002-36452 Rev. **
2022-10-07
CYW920819M2EVB-01 evaluation kit user guide
Kit operation
25.
Thermistor (TH2):
The on-board thermistor is an NTC analog thermistor that can be used to measure
temperature.
26.
Thermistor enable jumper (J18):
This jumper can be used to connect or disconnect the onboard
thermistor from the CYW20819 device.
27.
Arduino-compatible header (J4):
The Arduino-compatible I/O header brings out pins from CYW20819 to
interface with Arduino shields.
28.
WICED header (J12):
This header brings out some pins of the CYW20819 device that are not connected to
the Arduino compatible headers. These pins can be used for testing or for custom applications.
29.
Arduino-compatible header (J3):
The Arduino-compatible I/O header brings out pins from CYW20819 to
interface with Arduino shields.
30.
WICED header (J11):
This header brings out some pins of the CYW20819 device that are not connected to
the Arduino compatible headers. These pins can be used for testing or for custom applications.
31.
64-Mb serial flash (U11):
This is the 64-Mbit SPI flash used for application purpose.
32.
PUART voltage level translator (U8):
This voltage level translator IC allows the interoperability of devices
(CYW20819 device and USB/Serial IC) with different high
–
level and low
–
level voltages for input and output
operations.
33.
HCI-UART voltage level translator (U7):
This voltage level translator IC allows interoperability of devices
(CYW20819 device and USB/Serial IC) with different high-level and low-level voltages for input and output
operations.
34.
VDDIO current measurement jumper (J17):
This jumper is used to power the carrier module. To measure
the current consumed by the carrier module, remove this jumper and connect an ammeter to the two pins.
35.
Ambient light sensor (U14):
This is an I
2
C-based ambient light sensor.
36.
Analog mic (MIC1):
It is not supported by CYW20819.
37.
Digital mic (U13):
The digital microphone ASIC contains an extremely low
–
noise preamplifier and a high-
performance sigma-delta ADC.
38.
Debug/programming mode select switch (SW15):
This switch allows you to route the functionality of
KitProg3/GPIO lines to either the PSoC
™
5LP based KitProg3 or J4 Arduino-compatible header.
39.
Coin cell holder (BT1):
This is a coin cell battery holder located on the bottom side of the development kit.
If the evaluation board needs to use the power supplied from the coin cell, then the VDDIO, VBATT and
VPA_BT select headers must be set to VCOIN.
40.
P-UART flow control switch (SW17):
This switch allows you to enable and disable the PUART flow control
functionality.
2.2
Jumpers
list the jumper settings on the CYW920819M2EVB-01 board.
Table 4
Jumper J7 pin configurations
Jumper J7
(VIO_BASE
selection)
Default state
Connection on
CYW20819
Description
2 and 3
Shorted
VDDO1, VDDO2
Short these pins to supply 3.0 V to VIO_BASE of the
CYW20819 device, as well as all peripherals and
sensors.
3 and 4
Open
Short these pins to supply 1.8 V to VIO_BASE of the
CYW20819 device, as well as all peripherals and
sensors.