参数资料
| 型号： | 20-101-1138 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 55/124页 |
| 文件大小： | 0K |
| 描述： | RCM4300 RABBITCORE |
| 产品培训模块： | WiFi Authentication |
| 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： | RCM4300 |
| 其它名称： | 316-1141 |
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RabbitCore RCM4300 User’s Manual
36
4.2 Serial Communication
The RCM4300 module does not have any serial driver or receiver chips directly on the
board. However, a serial interface may be incorporated on the board the RCM4300 is
mounted on. For example, the Prototyping Board has an RS-232 transceiver chip.
4.2.1 Serial Ports
There are six serial ports designated as Serial Ports A, B, C, D, E, and F. All six 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 RCM4300 is operating in the Run Mode. Digi recommends that you limit the use of
Serial Port A to a programming port to avoid any possible conflicts with the PIC micro-
controller during boot-up while the program is loaded. If you intend to use Serial Port A as
a regular serial port with the RCM4300 operating in the Run Mode, Serial Port A must be
disconnected from the external device during boot-up in order for the program to load.
Serial Port B, shared by the RCM4300 module’s serial flash, microSD card, and A/D
converter, is set up as a clocked serial port. Since this serial port is set up for synchronous
serial communication, you will lose the peripheral functionality if you try to use the serial
port in the asynchronous mode.
NOTE: Since Serial Port B is shared, exercise care if you attempt to use Serial Port B for
other serial communication. Your application will have to manage the sharing negotia-
tions to avoid conflicts when reading or writing to the devices already using Serial Port B.
Any conflict with Serial Port B while the RCM4300 is powering up may prevent an
application from loading from the serial flash when the RCM4300 powers up or resets.
Do not drive or load the Serial Port B or SCLKB (PC4, PC5, and PB0) pins while the
RCM4300 is powering up.
Serial Ports C and D may be used synchronously or asynchronously.
The IrDA protocol is supported by all six serial ports.
Serial Ports E and F can also be configured as SDLC/HDLC serial ports. Serial Ports E
and F must be configured before they can be used. The sample program IOCONFIG_
SWITCHECHO.C
in the Dynamic C SAMPLES\RCM4300\SERIAL folder shows how to
configure Serial Port F.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 20-101-1139 | 功能描述:模块化系统 - SOM RCM4310 RABBITCORE 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 |
| 20-101-1140 | 功能描述:WiFi/802.11模块 RCM4400W CORE MODULE Wi-Fi/802.11 RoHS:否 制造商:Taiyo Yuden 支持协议:802.11 b/g/n 频带: 数据速率:150 Mbps 接口类型:SDIO 传输功率（最大）: 天线连接器类型: 工作电源电压:3.4 V to 5.5 V 传输供电电流: 接收供电电流: 最大工作温度:+ 80 C 尺寸:35 mm x 15 mm x 2.9 mm |
| 20-101-1153 | 功能描述:子卡和OEM板 RCM4300 Proto board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 20-101-1154 | 功能描述:模块化系统 - SOM RCM4120 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 |
| 20-101-1170 | 功能描述:Zigbee/802.15.4模块 RCM4510W CORE MODULE RoHS:否 制造商:Digi International 频带:902 MHz to 928 MHz 视线范围: 数据速率: 灵敏度: 工作电源电压:2.4 V to 3.6 V 传输供电电流:215 mA 接收供电电流:26 mA 输出功率:250 mW 天线连接器类型:Wire 最大工作温度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm |
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