参数资料
型号: 101-0478
厂商: Rabbit Semiconductor
文件页数: 14/90页
文件大小: 0K
描述: KIT DEV RABBIT RCM2200 INTL
标准包装: 1
系列: RabbitCore 2000
类型: MPU 模块
适用于相关产品: RCM2200
所含物品: RabbitCore 模块,开发板,缆线和 Dynamic C? CD-Rom
User’s Manual
15
Two sample programs, MASTER.C and SLAVE.C, are available to illustrate RS-485 master/
slave communication. To run these sample programs, you will need a second Rabbit-based
system with RS-485, and you will also have to add an RS-485 transceiver such as the
SP483E and bias resistors to the Prototyping Board.
The RS-485 connections between the slave and master devices are as follows.
RS485+ to RS485+
RS485– to RS485–
GND to GND
MASTER.C
—This program demonstrates a simple RS-485 transmission of lower case
letters to a slave RCM2200. The slave will send back converted upper case letters back
to the master RCM2200 and display them in the STDIO window. Use SLAVE.C to pro-
gram the slave RCM2200—reset the slave before you run MASTER.C on the master.
SLAVE.C
—This program demonstrates a simple RS-485 transmission of lower case
letters to a master RCM2200. The slave will send back converted upper case letters
back to the master RCM2200 and display them in the STDIO window. Compile and run
this program on the slave before you use MASTER.C to program the master.
3.1.3 Other Sample Programs
Section 6.2 covers how to run the TCP/IP sample programs, which are then described in
detail.
The diagram shows the connections.
You will have to connect PC0 and
PC1 (Serial Port D) on the Prototyp-
ing Board to the RS-485 transceiver,
and you will connect PD3 to the RS-
485 transceiver to enable or disable
the RS-485 transmitter.
681 W
220 W
681 W
485+
485
A
B
termi-
nation
bias
Vcc
PC0
PC1
PD3
DI
RO
DE
/RE
Vcc
RS-485
CHIP
47 kW
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相关代理商/技术参数
参数描述
101048 制造商:Jacob 功能描述:Bulk
10-1-048 制造商:IGUS 功能描述:SERIES 10 ENERGY CHAIN
101-0480 功能描述:开发板和工具包 - 其他处理器 RCM2300 DEV KIT RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
101-048-033 制造商:PANCON CONNECTORS 功能描述:Conn Shrouded Header HDR 48 POS 5.08mm Solder RA Thru-Hole 制造商:ITW Pancon 功能描述:Conn Shrouded Header HDR 48 POS 5.08mm Solder RA Thru-Hole
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