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
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1.1 Driver Support .......................................................................... 2
1.2 Part Numbers............................................................................ 2
1.3 USB Compliant .......................................................................... 3
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FT260 Block Diagram.................................................... 4
Device Pin Out and Signal Description .......................... 7
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3.1 WQFN-28 Package Pin Out........................................................ 7
3.2 TSSOP-28 Package Pin Out ....................................................... 8
3.3 Pin Description.......................................................................... 9
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Function Description................................................... 12
4.1 Key Features........................................................................... 12
4.2 Functional Block Descriptions ................................................. 13
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FT260 Configuration and Bus Interfaces..................... 17
5.1 Device Interface Configuration ............................................... 17
5.2 I2C Bus Interface .................................................................... 18
5.2.1
5.2.2
5.2.3
5.2.4
I2C Pin Definition ........................................................................................ 18
I2C Bus Protocol.......................................................................................... 18
I2C Slave Address ....................................................................................... 20
I2C Timing ................................................................................................. 20
5.3 UART Interface ....................................................................... 22
5.3.1
5.3.2
5.3.3
5.3.4
UART Pin Definition..................................................................................... 24
UART Bus Protocol ...................................................................................... 24
UART Flow Control ...................................................................................... 26
UART Timing .............................................................................................. 26
5.4 GPIOs ..................................................................................... 27
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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
7
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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