参数资料
型号: 73M2901CE-EVM-WW
厂商: Maxim Integrated Products
文件页数: 13/30页
文件大小: 0K
描述: BOARD DEMO 73M2901CE WORLDWIDE
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: *
UM_2901CE_026
73M2901CE Demo Board User Manual
Table 6: 73M2901CE EVM-600 Demo Board: DB-25 RS-232 Level Serial Interface
Name
DB-25pin Description
TXD
RXD
RTS
CTS
DSR
DCD
DTR
RI
Rev. 1.5
2
3
4
5
6
8
20
22
Transmit Digital Inverted Input. Pin used as the digital data input for
commands and data transmission.
Receive Digital Inverted Output. Pin used as the digital data output for
echoing commands and for data reception.
Request To Send – High true input. Used for RTS/CTS flow control and
V.23 transmission control. Controlled by the Kn command.
Clear To Send – High true output. Used for RTS/CTS flow control and to
indicate carrier is being sent in V.23 mode. Controlled by the Kn
command.
Data Set Ready – High true output. Indicates the modem is present and
ready for use.
Data Carrier Detect – High true output. Indicates a carrier is being
received. Controlled by the Cn command.
Data Terminal Ready – High true Input. Pin used by the terminal to
control certain actions of the modem, such as return to command mode,
terminate call, V.23 turnaround, reset, and power down.
RIng – High true output. Indicates a valid ring signal is being received.
Goes low for the duration the “ring” result code is being sent on RXD.
13
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