参数资料
| 型号： | 20-101-1235 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 115/119页 |
| 文件大小： | 0K |
| 描述： | CORE MODULE RCM5700 |
| 特色产品： | MiniCore? RCM5700 |
| 标准包装： | 1 |
| 系列： | MiniCore™ |
| 模块/板类型： | MPU 核心模块 |
| 适用于相关产品： | RCM5700 |
| 其它名称： | 316-1153 |
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MiniCore RCM5700/RCM6700 User’s Manual
95
F.2.2 How IP Addresses are Used
The actual hardware connection via an Ethernet uses Ethernet adapter addresses (also called
MAC addresses). These are 48-bit addresses and are unique for every Ethernet adapter manufac-
tured. In order to send a packet to another computer, given the IP address of the other computer, it
is first determined if the packet needs to be sent directly to the other computer or to the gateway.
In either case, there is an Ethernet address on the local network to which the packet must be sent.
A table is maintained to allow the protocol driver to determine the MAC address corresponding to
a particular IP address. If the table is empty, the MAC address is determined by sending an Ether-
net broadcast packet to all devices on the local network asking the device with the desired IP
address to answer with its MAC address. In this way, the table entry can be filled in. If no device
answers, then the device is nonexistent or inoperative, and the packet cannot be sent.
Some IP address ranges are reserved for use on internal networks, and can be allocated freely as
long as no two internal hosts have the same IP address. These internal IP addresses are not routed
to the Internet, and any internal hosts using one of these reserved IP addresses cannot communi-
cate on the external Internet without being connected to a host that has a valid Internet IP address.
The host would either translate the data, or it would act as a proxy.
Each MiniCore module has its own unique MAC address, which consists of the prefix 0090C2
followed by a code that is unique to each MiniCore module. For example, a MAC address might
be 0090C2C002C0.
TIP: You can always obtain the MAC address on your module by running the sample program
DISPLAY_MAC.C
from the SAMPLES\TCPIP folder.
相关PDF资料 |
PDF描述 |
|---|---|
| 11FMN-BMTTR-A-TB | CONN FMN HSNG 11POS STAG REV SMD |
| 046232103103800+ | CONN FFC/FPC 3POS 1MM R/A SMD |
| 15FE-ST-VK-N | CONN FFC 15POS RA 1.25MM |
| 09FMN-BMTR-A-TB | CONN FMN HOUSNG 9POS SGL REV SMD |
| 046232110015800+ | CONN FFC/FPC 10POS 1MM VERT SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 20-101-1236 | 功能描述:界面开发工具 INTERFACE BOARD RCM56/57XX 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 |
| 20-101-1246 | 功能描述:模块化系统 - SOM RCM5400W 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 |
| 20-101-1247 | 功能描述:模块化系统 - SOM RCM5450W 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 |
| 20-101-1252 | 功能描述:开发板和工具包 - 其他处理器 RCM56/57 Prototyping Board 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: |
| 20-101-1253 | 功能描述:开发板和工具包 - 其他处理器 RCM56/57XX Serial Comm Board 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: |
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