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參數(shù)資料
| 型號： | 20-101-1139 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 55/124頁 |
| 文件大?。?/td> | 0K |
| 描述： | RCM4310 RABBITCORE |
| 產(chǎn)品培訓(xùn)模塊： | WiFi Authentication |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | RabbitCore® |
| 模塊/板類型： | MPU 核心模塊 |
| 適用于相關(guān)產(chǎn)品： | RCM4310 |
| 其它名稱： | 316-1142 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 20-101-1140 | 功能描述:WiFi/802.11模塊 RCM4400W CORE MODULE Wi-Fi/802.11 RoHS:否 制造商:Taiyo Yuden 支持協(xié)議:802.11 b/g/n 頻帶: 數(shù)據(jù)速率:150 Mbps 接口類型:SDIO 傳輸功率（最大）: 天線連接器類型: 工作電源電壓:3.4 V to 5.5 V 傳輸供電電流: 接收供電電流: 最大工作溫度:+ 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 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| 20-101-1154 | 功能描述:模塊化系統(tǒng) - SOM RCM4120 RabbitCore- Module RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 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模塊 RCM4510W CORE MODULE RoHS:否 制造商:Digi International 頻帶:902 MHz to 928 MHz 視線范圍: 數(shù)據(jù)速率: 靈敏度: 工作電源電壓:2.4 V to 3.6 V 傳輸供電電流:215 mA 接收供電電流:26 mA 輸出功率:250 mW 天線連接器類型:Wire 最大工作溫度:+ 85 C 尺寸:32.94 mm x 22 mm x 2.03 mm |
| 20-101-1179 | 功能描述:模塊化系統(tǒng) - SOM RCM3209 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
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