CYRF9935 datasheet(2/47 Pages) CYPRESS

2 / 47 page

CYRF9935

Document Number: 001-88748 Rev. *G

Page 2 of 47

Contents

General Description ......................................................... 3

Pin Configuration ............................................................. 3

Pin Descriptions ............................................................... 4

Functional Overview ........................................................ 5

Power on Reset ........................................................... 5

External Reset ............................................................. 5

Interrupt ....................................................................... 5

RF Pins ........................................................................ 5

RF Channel ................................................................. 5

Transmit Power control ............................................... 6

RSSI Operation ........................................................... 7

Power Management .......................................................... 8

Idle-I Mode .................................................................. 9

Sleep Mode ................................................................. 9

Transmit Mode .......................................................... 10

Receive Mode ........................................................... 10

Idle II Mode ................................................................ 10

Baseband Engine ........................................................... 10

Packet Format ........................................................... 10

Preamble ................................................................... 10

Address ..................................................................... 11

Packet Control Word ................................................. 13

Broadcast Address .................................................... 13

Auto-Retransmit Mode .............................................. 14

Data Packet Loss ...................................................... 17

ACK Packet Loss ...................................................... 18

FIFO Control .................................................................... 19

Overview ................................................................... 19

TX FIFO Access ........................................................ 19

RX FIFO Access ........................................................ 21

SPI Command ................................................................. 21

SPI Timing ................................................................. 21

Command List ........................................................... 22

SPI Status in Command Phase ................................. 23

SPI Command for Register Read and Write ............. 23

SPI Command for RX FIFO Access .......................... 23

SPI Command for TX FIFO Access .......................... 24

Indirect Registers ...................................................... 31

Application Circuit .......................................................... 33

Absolute Maximum Ratings .......................................... 35

Operating Range ............................................................. 35

Electrical Specifications ................................................ 35

Power Consumption .................................................. 35

General RF Conditions .............................................. 36

Transmitter Operation ............................................... 36

Receiver Operation ................................................... 37

Crystal Specification .................................................. 37

DC Characteristics .................................................... 38

Power-On Reset ........................................................ 38

Ordering Information ...................................................... 39

Ordering Code Definitions ......................................... 39

Packaging Information ................................................... 40

Acronyms ........................................................................ 41

Document Conventions ................................................. 41

Units of Measure ....................................................... 41

Document History Page ................................................. 42

Sales, Solutions, and Legal Information ...................... 47

Worldwide Sales and Design Support ....................... 47

Products .................................................................... 47

PSoC® Solutions ...................................................... 47

Cypress Developer Community ................................. 47

Technical Support ..................................................... 47

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