参数资料
型号: DB9-USB-F
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 11/26页
文件大小: 0K
描述: MOD USB RS232 EMBEDED RETRO DB9F
产品目录绘图: DB9-USB-F
特色产品: DB9-USB-RS232 Modules
标准包装: 10
连接器类型: USB - mini B
触点数: 9
类型: 插座
技术规格: RS-232 9 引脚串行
安装类型: 通孔,直角,水平
特点: D 形体座
包装: 散装
产品目录页面: 633 (CN2011-ZH PDF)
其它名称: 768-1063
Document Reference No.: FT_000204
DB9-USB Datasheet
Version 2.0
Clearance No.: FTDI# 130
3.1.1 Male DB9 UART Connector Signals
The DB9-USB-X-M can be used to replace a male DB9 connector used for transmitting UART signals.
Table 2.1 gives the pin out description of each pin/pad of a UART connector/footprint.
Pin
Number
1
2
Pin Type of DB9-
USB module
Input 1
Output
Pad Type at
application PCB
Input 1
Input
Description
DCD = Data Carrier Detect
RXD = Receive Data
(this is an output from the DB9-USB-X-M
to the application Rx input)
TXD = Transmit Data
3
Input
Output
(this is an input to the DB9-USB-X-M from
the application Tx output)
DTR = Data Terminal Ready
4
Input
Output
(this is an input to the DB9-USB-X-M from
the application DTR output)
5
Ground
Ground
GND = RS232 signal ground
DSR = Data Set Ready
6
Output
Input
(this is an output from the DB9-USB-X-M
to the application DSR input)
RTS = Request To Send
7
Input
Output
(this is an input to the DB9-USB-X-M from
the application RTS output)
CTS = Clear To Send
8
9
Shield
Output
Input 1
Ground
Input
Input 1
Case Ground
(this is an output from the DB9-USB-X-M
to the application CTS input)
RI = Ring Indicator
Drain = typically connected to the host PC
case
Table 2.1 – Male DB9 UART Signal Description
Note 1: These signals are irrelevant for DTE to DTE connections.
Copyright ? 2011 Future Technology Devices International Limited
10
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