FT260Q-R datasheet(5/61 Pages) FTDI

5 / 61 page

FT260 HID-CLASS USB TO UART/I2C BRIDGE IC

Version 1.1

Document No.: FT_001272 Clearance No.: FTDI#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

TSSOP-28 Package Pin Out ....................................................... 8

3.3

Pin Description.......................................................................... 9

Function Description ................................................... 12

4.1

Key Features ........................................................................... 12

4.2

Functional Block Descriptions ................................................. 13

FT260 Configuration and Bus Interfaces..................... 17

5.1

Device Interface Configuration ............................................... 17

5.2

I2C Bus Interface .................................................................... 18

5.2.1

I2C Pin Definition ........................................................................................ 18

5.2.2

I2C Bus Protocol.......................................................................................... 18

5.2.3

I2C Slave Address ....................................................................................... 20

5.2.4

I2C Timing ................................................................................................. 20

5.3

UART Interface ....................................................................... 22

5.3.1

UART Pin Definition ..................................................................................... 24

5.3.2

UART Bus Protocol ...................................................................................... 24

5.3.3

UART Flow Control ...................................................................................... 26

5.3.4

UART Timing .............................................................................................. 26

5.4

GPIOs ..................................................................................... 27

Devices Characteristics and Ratings ........................... 28

6.1

Absolute Maximum Ratings..................................................... 28

6.2

ESD and Latch-up Specifications ............................................. 28

6.3

DC Characteristics................................................................... 29

6.4

USB Characteristics................................................................. 33

FT260 Power Configurations....................................... 34

7.1

USB Bus Powered Configuration ............................................ 34

7.2

Self Powered Configuration with 5V Source Input .................. 35

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