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Copyright © 2010 Future Technology Devices International Limited

7

Document Reference No.: FT_000016

VDIP1 Vinculum VNC1L Module Datasheet Version 1.01

Clearance No.: FTDI# 131

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

6

ADBUS0

AD0

I/O

5V safe

bidirectional

data / control

bus, AD bit 0

TXD

D0

SCLK

PortAD0

8

ADBUS1

AD1

I/O

5V safe

bidirectional

data / control

bus, AD bit 1

RXD

D1

SDI

PortAD1

9

ADBUS2

AD2

I/O

5V safe

bidirectional

data / control

bus, AD bit 2

RTS#

D2

SDO

PortAD2

10

ADBUS3

AD3

I/O

5V safe

bidirectional

data / control

bus, AD bit 3

CTS#

D3

CS

PortAD3

11

ADBUS4

AD4

I/O

5V safe

bidirectional

data / control

bus, AD bit 4

DTR#

D4

PortAD4

12

ADBUS5

AD5

I/O

5V safe

bidirectional

data / control

bus, AD bit 5

DSR#

D5

PortAD5

13

ADBUS6

AD6

I/O

5V safe

bidirectional

data / control

bus, AD bit 6

DCD#

D6

PortAD6

14

ADBUS7

AD7

I/O

5V safe

bidirectional

data / control

bus, AD bit 7

RI#

D7

PortAD7

15

ACBUS0

AC0

I/O

5V safe

bidirectional

data / control

bus, AC bit 0

TXDEN#

RXF#

PortAC0

16

ACBUS1

AC1

I/O

5V safe

bidirectional

data / control

bus, AC bit 1

TXE#

PortAC1

17

ACBUS2

AC2

I/O

5V safe

bidirectional

data / control

bus, AC bit 2

RD#

PortAC2

19

ACBUS3

AC3

I/O

5V safe

bidirectional

data / control

bus, AC bit 3

WR

PortAC3

20

ACBUS4

AC4

I/O

5V safe

bidirectional

data / control

bus, AC bit 4

PortAC4

Table 3.3 - Default Interface I/O Pin Configuration