参数资料
型号: 20-101-1094
厂商: Rabbit Semiconductor
文件页数: 66/130页
文件大小: 0K
描述: MCU RCM4000 RABBITCORE
标准包装: 1
系列: RabbitCore®
模块/板类型: MPU 核心模块
适用于相关产品: RCM4000
产品目录页面: 619 (CN2011-ZH PDF)
其它名称: 316-1139
34
RabbitCore RCM4000
4.2 Serial Communication
The RCM4000 module does not have any serial transceivers directly on the board. How-
ever, a serial interface may be incorporated on the board the RCM4000 is mounted on. For
example, the Prototyping Board has an RS-232 transceiver chip.
4.2.1 Serial Ports
There are five serial ports designated as Serial Ports A, B, C, D, and F. All five serial ports
can operate in an asynchronous mode up to the baud rate of the system clock divided by 8.
An asynchronous port can handle 7 or 8 data bits. A 9th bit address scheme, where an
additional bit is sent to mark the first byte of a message, is also supported.
Serial Port A is normally used as a programming port, but may be used either as an asyn-
chronous or as a clocked serial port once application development has been completed and
the RCM4000 is operating in the Run Mode.
Serial Port B is shared by the RCM4000 module’s A/D converter, and is set up as a
clocked serial port. Since this serial port is set up for synchronous serial communication
on the RCM4000 model, you will lose the A/D converter’s functionality if you try to use
the serial port in the asynchronous mode. Serial Port B is available without any restrictions
on the RCM4010.
Serial Ports C and D can also be operated in the clocked serial mode. In this mode, a clock
line synchronously clocks the data in or out. Either of the two communicating devices can
supply the clock.
Serial Port F, which is available as a matter of course on the RCM4010 and can be used
instead of Serial Port C on Parallel Port C pins 2 and 3, can also be configured as an
SDLC/HDLC serial port. The IrDA protocol is also supported in SDLC format by this
serial port. Serial Port F must be configured before it can be used. The sample program
IOCONFIG_SWITCHECHO.C
in the Dynamic C SAMPLES\RCM4000\SERIAL folder
shows how to configure Serial Port F.
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20-101-1095 功能描述:模块化系统 - SOM BL2600 XD HOT SWAP 10/100 RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
20-101-1104 功能描述:处理器配件 USB xd reader RoHS:否 制造商:Olimex Ltd. 产品:Cable 用于:
20-101-1105 功能描述:模块化系统 - SOM RCM4100 RabbitCore Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
20-101-1110 功能描述:界面开发工具 Rio Protyping Board RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V
20-101-1112 功能描述:模块化系统 - SOM RCM4010 Core Module RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in