FT4222HQ-C-R datasheet(5/49 Pages) FTDI

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FT4222H USB2.0 TO QUADSPI/I2C BRIDGE IC

1.3

Document No.: FT_001011 Clearance No.: FTDI#405

Table of Contents

Typical Applications....................................................... 2

1.1 Driver Support ........................................................................... 2

1.2 Ordering Information................................................................. 2

1.3 USB Compliant ........................................................................... 3

FT4222H Block Diagram ................................................ 4

Device Pin Out and Signal Description........................... 7

3.1 VQFN-32 Package Pin Out .......................................................... 7

3.2 Pin Description .......................................................................... 8

Function Description ................................................... 10

4.1 Key Features ............................................................................ 10

4.2 Functional Block Descriptions .................................................. 11

FT4222H Chip Mode Configuration and SPI/I2C Interface

5.1 Chip Mode Configuration.......................................................... 14

5.2 SPI Bus Interface..................................................................... 15

5.2.1

SPI Pin Definition ...................................................................................... 15

5.2.2

SPI Bus Protocol ....................................................................................... 15

5.2.3

SCK Format.............................................................................................. 17

5.2.4

SPI Timing ............................................................................................... 18

5.3 I2C Bus Interface ..................................................................... 20

5.3.1

I2C Pin Definition....................................................................................... 20

5.3.2

I2C Bus Protocol ........................................................................................ 20

5.3.3

I2C Slave Address...................................................................................... 21

5.3.4

I2C Timing................................................................................................ 21

5.4 GPIOs ...................................................................................... 23

Devices Characteristics and Ratings ............................ 24

6.1 Absolute Maximum Ratings...................................................... 24

6.2 ESD and Latch-up Specifications .............................................. 24

6.3 DC Characteristics.................................................................... 25

6.4 OTP Memory Reliability Characteristics.................................... 30

FT4222H Configurations .............................................. 31

7.1 USB Bus Powered Configuration ............................................. 31

7.2 Self Powered Configuration with 5V Source Input ................... 32

FT4222HQ-C-R Datasheet(PDF) 5 Page - Future Technology Devices International Ltd.

FT4222HQ-C-R Datasheet(HTML) 5 Page - Future Technology Devices International Ltd.

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