Copyright © 2012 Future Technology Devices International Limited

8

DS_UMFT311EV

USB ANDROID HOST MODULE Datasheet

Version 1.0

Document No.: FT_000689 Clearance No.: FTDI# 303

GPIO(3)

CON1 -7

J3-6

26

IO

GPIO data bit 3, bidirectional

GPIO(4)

CON1 -6

J3-7

29

IO

GPIO data bit 4, bidirectional

GPIO(5)

CON1 -5

J3-8

30

IO

GPIO data bit 5, bidirectional

GPIO(6)

CON1 -4

J4-1

31

IO

GPIO data bit 6, bidirectional

Table 4.3 : GPIO mode

4.1.2 UART Mode

In the UART mode the UART signals are available at the connector CON1 and J3 as shown in the table 4.4

below.

Signal Name

Connector

CON1

Connector

J3

FT311D pin

Number

I/O

Type

Description

UART_TXD

CON1 -10

J3-3

23

Output

Transmit data

UART_RXD

CON1 -9

J3-4

24

Input

Receive data

UART_RTS#

CON1 -8

J3-5

25

Output

Request to Send Control Output /

Handshake signal.

UART_CTS#

CON1 -7

J3-6

26

Input

Clear to Send Input / Handshake

signal.

J3-7

29

Output

Enable transmit data for RS485

designs

Table 4.4 : UART mode

Note: # - Denotes active low signal

4.1.3 PWM Mode

In the PWM mode the PWM signals are available at the connector CON1 and J3 as shown in the table 4.5

below.

Signal

Name

Connector

CON1

Connector

J3

FT311D pin

Number

I/O

Type

Description

PWM(0)

CON1 -10

J3-3

23

Output

PWM channel 0

PWM(1)

CON1 -9

J3-4

24

Output

PWM channel 1

PWM(2)

CON1 -8

J3-5

25

Output

PWM channel 2

PWM(3)

CON1 -7

J3-6

26

Output

PWM channel 3

Table 4.5 : PWM mode