20-101-1306 Rabbit Semiconductor, 20-101-1306 Datasheet - Page 94

• Manufacturer Part Number: 20-101-1306
• Description: CORE MODULE RCM5750
• Manufacturer: Rabbit Semiconductor
• Type: Serial to Ethernetr

Specifications of 20-101-1306

• Module/board Type: MPU Core Module
• Number Of I/os: 32
• Ethernet Connection Type: 10/100 Base-T
• Memory Type: Flash
• Operating Voltage: 3.3 V
• Operating Current: 70 mA
• Operating Temperature Range: - 40 C to + 85 C
• Board Size: 30 mm x 51 mm x 3 mm
• Product: Modules
• For Use With/related Products: RCM5750
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1183

F.2.1 IP Addresses Explained
IP (Internet Protocol) addresses are expressed as 4 decimal numbers separated by periods, for
example:
Each decimal number must be between 0 and 255. The total IP address is a 32-bit number consist-
ing of the 4 bytes expressed as shown above. A local network uses a group of adjacent IP
addresses. There are always 2
mask) determines how many IP addresses belong to the local network. The netmask is also a 32-
bit address expressed in the same form as the IP address. An example netmask is:
This netmask has 8 zero bits in the least significant portion, and this means that 2
part of the local network. Applied to the IP address above (216.103.126.155), this netmask would
indicate that the following IP addresses belong to the local network:
The lowest and highest address are reserved for special purposes. The lowest address
(216.102.126.0) is used to identify the local network. The highest address (216.102.126.255) is
used as a broadcast address. Usually one other address is used for the address of the gateway out
of the network. This leaves 256 - 3 = 253 available IP addresses for the example given.
MiniCore RCM5700/RCM6700 User’s Manual
216.103.126.155
10.1.1.6
255.255.255.0
216.103.126.0
216.103.126.1
216.103.126.2
etc.
216.103.126.254
216.103.126.255
N
IP addresses in a local network. The netmask (also called subnet
rabbit.com
8
addresses are a
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