FT260 datasheet(5/58 Pages) FTDI

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FT260 HID-CLASS USB TO UART/I2C BRIDGE IC

Version 1.0

Doc ument N o.: FT _001272 C learance N o.: FT DI#484

Table of Contents

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

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

1.2 Part Numbers ......................................................................... 2

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

FT260 Block Diagram................................................... 4

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

3.1 WQFN-28 Package Pin Out ...................................................... 7

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

Function Description ................................................. 11

4.1 Key Features..........................................................................11

4.2 Functional Block Descriptions .................................................12

FT260 Configuration and Bus Interfaces..................... 16

5.1 Device Interface Configuration ...............................................16

5.2 I2C Bus Interface ...................................................................17

5.2.1

I2C Pin Definition .................................................................................... 17

5.2.2

I2C Bus Protocol ..................................................................................... 17

5.2.3

I2C Slave Address ................................................................................... 19

5.2.4

I2C Timing ............................................................................................. 19

5.3 UART Interface ......................................................................21

5.3.1

UART Pin Definition ................................................................................. 23

5.3.2

UART Bus Protocol .................................................................................. 23

5.3.3

UART Flow Control .................................................................................. 25

5.3.4

UART Timing.......................................................................................... 25

5.4 GPIOs....................................................................................26

Devices Characteristics and Ratings........................... 27

6.1 Absolute Maximum Ratings ....................................................27

6.2 ESD and Latch-up Specifications.............................................27

6.3 DC Characteristics..................................................................28

6.4 USB Characteristics................................................................32

FT260 Power Configurations...................................... 33

7.1 USB Bus Powered Configuration ............................................33

7.2 Self Powered Configuration with 5V Source Input ...................34

7.3 Self Powered Configuration with 3.3V Source In .....................35

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