User Guide 4 of 34 002-36760 Rev. **
2023-01-23
CYW989820M2EVB-01 evaluation kit user guide
Table of contents
About this document ....................................................................................................................... 1
Table of contents ............................................................................................................................ 4
Safety information ......................................................................................................................... 5
1 Introduction .......................................................................................................................... 6
1.1 CYW989820M2EVB-01 kit contents ......................................................................................................... 6
1.2 CYW989820M2EVB-01 evaluation board details..................................................................................... 7
1.3 ModusToolbox™ ...................................................................................................................................... 8
1.3.1 ModusToolbox™ code examples ....................................................................................................... 9
1.3.2 Related code examples .................................................................................................................... 10
1.3.3 ModusToolbox™ help ....................................................................................................................... 10
1.4 Getting started....................................................................................................................................... 10
1.5 IoT resources and technical support .................................................................................................... 10
2 Kit operation ........................................................................................................................ 11
2.1 Theory of operation ............................................................................................................................... 11
2.2 Jumpers ................................................................................................................................................. 15
2.3 Buttons and switches ............................................................................................................................ 17
2.4 Arduino-compatible headers ................................................................................................................ 18
2.5 Other headers ........................................................................................................................................ 19
2.6 USB serial interface chip ....................................................................................................................... 20
2.7 Kit power supply .................................................................................................................................... 20
2.8 Test points ............................................................................................................................................. 20
2.9 Current measurement ........................................................................................................................... 21
2.10 SWD debugging ..................................................................................................................................... 21
2.11 Pin configuration ................................................................................................................................... 21
3 Hardware ............................................................................................................................. 22
3.1 Carrier module....................................................................................................................................... 22
3.1.1 CYW89820 ......................................................................................................................................... 22
3.1.2 Antenna ............................................................................................................................................ 22
3.1.3 Crystal ............................................................................................................................................... 22
3.2 Baseboard .............................................................................................................................................. 22
3.3 Serial communication between CYW89820 and PSoC™ 5 KitProg3 .................................................... 23
3.4 Power ..................................................................................................................................................... 23
3.5 Device reset ........................................................................................................................................... 26
3.6 Thermistor ............................................................................................................................................. 27
3.7 External serial flash ............................................................................................................................... 28
3.8 Ambient light sensor ............................................................................................................................. 28
3.9 LEDs ....................................................................................................................................................... 29
3.10 Push buttons ......................................................................................................................................... 29
4 CYW89820 device I/O mapping ................................................................................................ 30
Revision history............................................................................................................................. 33