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Copyright © 2009 Future Technology Devices International Limited

8

Document Reference No.: FT_000017

VDIP2 Vinculum VNC1L Module Datasheet Version 1.0

Clearance No.: FTDI# 145

3.4 Default Interface I/O Pin Configuration

The VNC1L device is pre-programmed with default settings for the I/O pins however they can be easily

changed to suit a designers needs. The default interface I/O pin configuration of the VNC1L device are

shown in Table 3.3

Pin

No.

Name

Pin

Name

on

PCB

Type

Description

Data and Control Bus Configuration

Options

UART

Interface

Parallel

FIFO

Interface

SPI Slave

Interface

I/O Port

14

ADBUS0

AD0

I/O

5V safe bidirectional

data / control bus,

AD bit 0

TXD

D0

SCLK

PortAD0

16

ADBUS1

AD1

I/O

5V safe bidirectional

data / control bus,

AD bit 1

RXD

D1

SDI

PortAD1

17

ADBUS2

AD2

I/O

5V safe bidirectional

data / control bus,

AD bit 2

RTS#

D2

SDO

PortAD2

18

ADBUS3

AD3

I/O

5V safe bidirectional

data / control bus,

AD bit 3

CTS#

D3

CS

PortAD3

19

ADBUS4

AD4

I/O

5V safe bidirectional

data / control bus,

AD bit 4

DTR#

D4

NA

PortAD4

20

ADBUS5

AD5

I/O

5V safe bidirectional

data / control bus,

AD bit 5

DSR#

D5

NA

PortAD5

21

ADBUS6

AD6

I/O

5V safe bidirectional

data / control bus,

AD bit 6

DCD#

D6

NA

PortAD6

22

ADBUS7

AD7

I/O

5V safe bidirectional

data / control bus,

AD bit 7

RI#

D7

NA

PortAD7

23

ACBUS0

AC0

I/O

5V safe bidirectional

data / control bus,

AC bit 0

TXDEN#

RXF#

NA

PortAC0

24

ACBUS1

AC1

I/O

5V safe bidirectional

data / control bus,

AC bit 1

NA

TXE#

NA

PortAC1

25

ACBUS2

AC2

I/O

5V safe bidirectional

data / control bus,

AC bit 2

NA

RD#

NA

PortAC2

27

ACBUS3

AC3

I/O

5V safe bidirectional

data / control bus,

AC bit 3

NA

WR

NA

PortAC3

28

ACBUS4

AC4

I/O

5V safe bidirectional

data / control bus,

AC bit 4

NA

NA

NA

PortAC4

Table 3.3 - Default Interface I/O Pin Configuration