CYUSB301X datasheet(2/40 Pages) CYPRESS

2 / 40 page

CYUSB301X

Document Number: 001-52136 Rev. *L

Page 2 of 40

Contents

Functional Overview .......................................................... 3

Application Examples .................................................... 3

USB Interface ...................................................................... 4

OTG............................................................................... 4

ReNumeration ............................................................... 5

EZ-Dtect ........................................................................ 5

VBUS Overvoltage Protection ....................................... 5

Carkit UART Mode ........................................................ 5

GPIF II .................................................................................. 6

CPU ...................................................................................... 6

JTAG Interface .................................................................... 7

Other Interfaces .................................................................. 7

UART Interface.............................................................. 7

I2C Interface.................................................................. 7

I2S Interface .................................................................. 7

SPI Interface.................................................................. 7

Boot Options....................................................................... 8

Reset.................................................................................... 8

Hard Reset .................................................................... 8

Soft Reset...................................................................... 8

Clocking .............................................................................. 8

32-kHz Watchdog Timer Clock Input............................. 9

Power................................................................................... 9

Power Modes ................................................................ 9

Configuration Options ..................................................... 12

Digital I/Os......................................................................... 12

GPIOs................................................................................. 12

System-level ESD ............................................................. 12

Pin Description ................................................................. 13

Absolute Maximum Ratings ............................................ 19

Operating Conditions....................................................... 19

AC Timing Parameters ..................................................... 21

GPIF II Timing ............................................................. 21

Slave FIFO Interface ................................................... 24

Synchronous Slave FIFO Write Sequence Description 25

Asynchronous Slave FIFO Read Sequence Description 26

Asynchronous Slave FIFO Write Sequence Description 27

Serial Peripherals Timing ............................................ 29

Reset Sequence................................................................ 33

Package Diagram.............................................................. 35

Ordering Information........................................................ 36

Ordering Code Definition............................................. 36

Acronyms .......................................................................... 37

Document Conventions ................................................... 37

Units of Measure ......................................................... 37

Document History Page ................................................... 38

Sales, Solutions, and Legal Information ........................ 40

Worldwide Sales and Design Support......................... 40

Products ...................................................................... 40

PSoC Solutions ........................................................... 40

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