参数资料
型号: CB-ACC-27
厂商: ConnectBlue
文件页数: 50/58页
文件大小: 510K
描述: ANTENNA 1/2WAVE 2.4GHZ 10CM U.FL
标准包装: 1
天线类型: 鞭状:1/2 波,偶极
频带数目: 1
频率: 2.4GHz
增益: 2dBi
端子: U.FL(IPEX)
安装类型: 底座安装
高度(最大): 4.25"(108mm)
包装: 散装
产品目录页面: 558 (CN2011-ZH PDF)
其它名称: 809-1000
 
 
 
 
 
 
 
Version 1.17  2011-09
50
A.2.2 Serial Interface
The serial interface of the module is Logic Level logic levels and the module can be con-
nected to an external CPU (see section A.2.2.1).
An external driver is needed if the module should be on another physical interface like
RS232 or RS485/RS422 (see section A.2.2.2 - A.2.2.4).
CTS (Clear To Send) and RTS (Request To Send) are used for hardware flow control.
DSR (Data Set Ready) can be used to make a connect attempt. See the Serial Port Adapter
AT commands specification.
DTR (Data Terminal Ready) can be used to detect if the module is up and running and ready
to receive data.
Note! The module must be configured to flow control none if hardware flow control is
not used, see the Serial Port Adapter AT Commands specification for more info.
A.2.2.1 Logic level Mode
The serial UART interface can be used in a host controller application with a UART interface.
The design of the interface depends on the power supply voltage of the host system; see
Figure 14 for a 3.0/3.3V host system and Figure 15 for a 5V host system.
 
 
Figure 14: A complete UART interface with a
3.0/3.3V host system.
Figure 15: A complete UART interface with a 5V host
system.
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