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Copyright © 2010 Future Technology Devices International Limited

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Document Reference No.: FT_000016

VDIP1 Vinculum VNC1L Module Datasheet Version 1.01

Clearance No.: FTDI# 131

3.5 Signal Descriptions - UART Interface

The UART interface I/O pin description of the VNC1L device are shown in Table 3.4

Pin No.

Name

Type

Description

6

TXD

Output

Transmit asynchronous data output

8

RXD

Input

Receive asynchronous data input

9

RTS#

Output

Request To Send Control Output / Handshake signal

10

CTS#

Input

Clear To Send Control Input / Handshake signal

11

DTR#

Output

Data Terminal Ready Control Output / Handshake signal

12

DSR#

Input

Data Set Ready Control Input / Handshake signal

13

DCD#

Input

Data Carrier Detect Control Input

14

RI#

Input

Ring Indicator Contro l Input. When the RemoteakeW up option is enabled in the

EEPROM, taking RI# low can be used to resume the PC USB Host controller

from suspend

15

TXDEN#

Input

Enable Transmit Data for RS485 designs

Table 3.4 - Default I/O Pin Configuration – UART Interface