Copyright © 2012 Future Technology Devices International Limited

9

DS_UMFT311EV

USB ANDROID HOST MODULE Datasheet

Version 1.0

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

4.1.4 I2C Master Mode

In the I2C Master mode the I2C Master signals are available at the connector CON1 and J3 as shown in

the table 4.6 below.

Signal Name

Connector

CON1

Connector

J3

FT311D pin

Number

I/O

Type

Description

I2C_CLK

CON1 -10

J3-3

23

Output

I2C clock

I2C_DATA

CON1 -9

J3-4

24

IO

I2C Data

Table 4.6 : I2C Master mode

4.1.5 SPI Slave

In the SPI Slave mode the SPI Slave signals are available at the connector CON1, J3 and J4 as shown in

the table 4.7 below.

Signal Name

Connector

CON1

Connector

J3, J4

FT311D pin

Number

I/O

Type

Description

SPI_S_SS#

CON1 -7

J3-6

26

Input

SPI slave chip select

SPI_S_CLK

CON1 -6

J3-7

29

Input

SPI CLK Input

SPI_S_MOSI

CON1 -5

J3-8

30

Input

SPI Master out slave in

SPI_S_MISO

CON1 -4

J4-1

31

Output

SPI Master in slave out

Table 4.7 : SPI Slave mode

Note: # - Denotes active low signal

4.1.6 SPI Master

In the SPI Master mode the SPI Master signals are available at the connector CON1, J3 and J4 as shown

in the table 4.8 below.

Signal Name

Connector

CON1

Connector

J3, J4

FT311D pin

Number

I/O

Type

Description

SPI_M_SS#

CON1 -7

J3-6

26

Output

SPI slave chip select

SPI_M_CLK

CON1 -6

J3-7

29

Output

SPI CLK Output

SPI_M_MOSI

CON1 -5

J3-8

30

Output

SPI Master out slave in

SPI_M_MISO

CON1 -4

J4-1

31

Input

SPI Master in slave out

Table 4.8 : SPI Master mode

Note: # - Denotes active low signal