CYUSB201X datasheet(3/45 Pages) CYPRESS

3 / 45 page

CYUSB301X

Document Number: 001-52136 Rev. *N

Page 3 of 45

Contents

Functional Overview ..........................................................4

Application Examples ....................................................4

USB Interface ......................................................................5

OTG ...............................................................................5

ReNumeration ...............................................................6

EZ-Dtect ........................................................................6

VBUS Overvoltage Protection .......................................6

Carkit UART Mode ........................................................6

GPIF II ..................................................................................7

CPU ......................................................................................7

JTAG Interface ....................................................................8

Other Interfaces ..................................................................8

UART Interface ..............................................................8

I2C Interface ..................................................................8

I2S Interface ..................................................................8

SPI Interface ..................................................................8

Boot Options .......................................................................9

Reset ....................................................................................9

Hard Reset ....................................................................9

Soft Reset ......................................................................9

Clocking ..............................................................................9

32-kHz Watchdog Timer Clock Input ...........................10

Power .................................................................................10

Power Modes ..............................................................10

Configuration Options .....................................................13

Digital I/Os .........................................................................13

GPIOs .................................................................................13

System-level ESD .............................................................13

Pin Configurations ...........................................................13

Pin Description ................................................................. 15

Absolute Maximum Ratings ............................................ 22

Operating Conditions ....................................................... 22

DC Specifications ............................................................. 22

AC Timing Parameters ..................................................... 24

GPIF II Timing ............................................................. 24

Slave FIFO Interface ................................................... 27

Synchronous Slave FIFO

Write Sequence Description ............................................... 28

Asynchronous Slave FIFO

Read Sequence Description ............................................... 29

Asynchronous Slave FIFO

Write Sequence Description ............................................... 30

Serial Peripherals Timing ............................................ 33

Reset Sequence ................................................................38

Package Diagram .............................................................. 39

Ordering Information ........................................................ 41

Ordering Code Definitions ........................................... 41

Acronyms .......................................................................... 42

Document Conventions ................................................... 42

Units of Measure ......................................................... 42

Document History Page ................................................... 43

Sales, Solutions, and Legal Information ........................ 45

Worldwide Sales and Design Support ......................... 45

Products ...................................................................... 45

PSoC Solutions ........................................................... 45

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