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2.�½�½ U�½�½T Inter�½a�½e �½igna�½�½ �½es�½riptions
Page
Table 4 - Data and Control Bus Signal Mode Options - UART Interface
Pin No.
14
16
17
18
19
20
21
22
23
Name
TXD
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#
TXDEN#
Type
Output
Input
Output
Input
Output
Input
Input
Input
Input
Description
Transmit asynchronous data output
Receive asynchronous data input
Request To Send Control Output / Handshake signal
Clear To Send Control Input / Handshake signal
Data Terminal Ready Control Output / Handshake signal
Data Set Ready Control Input / Handshake signal
Data Carrier Detect Control Input
Ring Indicator Control Input. When the Remote Wake up option is enabled in the EEPROM, taking RI#
low can be used to resume the PC USB Host controller from suspend.
Enable Transmit Data for RS485 designs
VDIP2 Vinculum VNC1L Prototyping Module
Datasheet Version 0.91
© Future Technology Devices Intl Ltd. 2006-2007
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
