Table Of Contents - Cypress WICED CYW920706WCDEVAL Hardware User's Manual

Contents
About This Document ............................................................................................................................................................ 4
Purpose and Audience .................................................................................................................................................... 4
Scope .............................................................................................................................................................................. 4
Acronyms and Abbreviations ........................................................................................................................................... 4
IoT Resources and Technical Support ............................................................................................................................. 4
1 Product Description ...................................................................................................................................................... 5
2 Board Layout.................................................................................................................................................................. 7
3 Board Block Diagram .................................................................................................................................................... 8
4 Jumper and DIP Switch Settings .................................................................................................................................. 9
5 Current Consumption Measurement .......................................................................................................................... 11
6 Schematics ................................................................................................................................................................... 12
7 CYW20706 Interfaces .................................................................................................................................................. 16
7.1 Fixed Interfaces ................................................................................................................................................... 16
7.2 Selectable Interfaces ........................................................................................................................................... 17
7.3 Selectable Interfaces Supported by CYW920706WCDEVAL .............................................................................. 17
8 GPIO Information ......................................................................................................................................................... 21
8.1 GPIO_Pxx ............................................................................................................................................................ 21
8.1.1
8.1.2
8.2 LHL GPIO Capabilities ......................................................................................................................................... 28
9 Interface Signal Function Selection Restrictions and Considerations ................................................................... 29
2
9.1 I S and PCM ........................................................................................................................................................ 29
9.2 Serial Peripheral Interfaces ................................................................................................................................. 29
9.2.1
9.2.2
9.3 HCI UART ............................................................................................................................................................ 31
9.3.1
9.3.2
9.4 Peripheral UART.................................................................................................................................................. 32
9.5 Broadcom Serial Control (BSC) (Compatible with I
9.6 NVRAM ................................................................................................................................................................ 35
10 Interface Programming Information and Examples .................................................................................................. 36
10.1 GPIO Programming Example .............................................................................................................................. 36
10.2 SPI1 Master Programming Example .................................................................................................................... 38
10.3 SPI1 Slave Programming Example...................................................................................................................... 39
10.4 BSC Programming Example ................................................................................................................................ 40
10.5 PUART Programming Example ........................................................................................................................... 41
10.6 NVRAM Programming Example .......................................................................................................................... 42
Appendix A.
CYW920706WCDEVAL Hardware User Guide
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Multiplexed GPIO_Pxx Interface Summary ............................................................................................. 22
Digital I/O Pin Interface Mapping ............................................................................................................ 25
SPI1 ........................................................................................................................................................ 30
9.2.1.1 SPI1 Master .............................................................................................................................. 30
9.2.1.2 SPI1 Slave ................................................................................................................................ 31
SPI2 ........................................................................................................................................................ 31
SWD Debugging with the HCI UART ...................................................................................................... 32
Bypassing the FTDI chip ......................................................................................................................... 32
Power-Save Options ............................................................................................................................. 43
2
C) ........................................................................................ 34
Doc. No.: 002-16535 Rev. ** 2