FT260 datasheet(8/58 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

3.2

Pin Description

FT260

Pin No.

Pin Name

(Function)

Type

Description

DEBUGGER

I/O

Debugging pin.

Should be reserved and tied to high

STEST_RSTN

Chip reset input for test mode. Active low.

Should be reserved and tied to high.

RESETN

Chip reset input. Active low.

Can be tied to high if external reset function is not

required.

DCNF0

Device Interface Configuration Selection bit-0 for the HID

interface selection. Refer to Section 5.1

DCNF1

Device Interface Configuration Selection bit-1 for the HID

interface selection. Refer to Section 5.1

VCCIO

P **

+3.3V/2.5V/1.8V supply voltage.

This is the supply voltage for all the I/O ports. This pin

shall be connected to VOUT3V3(pin 22) when I/O ports

are working at 3.3V

DIO0

( TX_ACTIVE /

TX_LED /

GPIOA

)

I/O

DIO0, Digital Input/Output Pin 0.

This pin can be configured as one of the following three

functions via embedded eFUSE or external EEPROM.

TX_ACTIVE is set as the default function to indicate the

UART transmitting is active.

TX_LED is set as the LED driving source when data is

transmitted on UART TX port.

GPIOA, General Purpose I/O. GPIOA is another optional

function.

DIO1

( GPIOB /

RTSN )

I/O

DIO1, Digital Input/Output Pin 1.

GPIOB, General Purpose I/O. is set as the default

function.

RTSN, Request To Send Handshake, can be enabled via a

USB command for the UART interface.

DIO2

( GPIOE /

CTSN )

I/O

DIO2, Digital Input/Output Pin 2.

GPIOE, General Purpose I/O. is set as the default function.

CTSN, Clear To Send Handshake, can be enabled via a

USB command for the UART interface.

DIO3

( RXD /

GPIOC )

I/O

DIO3, Digital Input/Output Pin 3.

RXD, Receive Asynchronous Data Input, is set as default

function when the UART interface is selected via {DCNF1,

DCNF0}.

GPIOC, General Purpose I/O, is set as the default function

when UART interface is not configured.

DIO4

( TXD /

I/O

DIO4, Digital Input/Output Pin 4.

TXD, Transmit Asynchronous Data Output, is set as

default when the UART interface is selected via {DCNF1,

FT260 Datasheet(PDF) 8 Page - Future Technology Devices International Ltd.

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