W7100A WIZnet, W7100A Datasheet - Page 98

• Manufacturer Part Number: W7100A
• Description: 8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
• Manufacturer: WIZnet

Specifications of W7100A

• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 255 B
• Data Ram Size: 64 KB
• On-chip Adc: No
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 80 C
• Package / Case: LQFP-100
• Mounting Style: SMD/SMT
• Interface Type: UART
• Program Memory Type: Flash

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0x100n)][0x0000]
modes.
Sn_PORT (SOCKET n Source Port Register)[R/W][(0xFE4004 + 0x100n) – (0xFE4005 +
It sets source port number.
It is valid when SOCKET n is used as TCP or UDP mode, and ignored when used as other
It should be set before OPEN command.
Ex) In case of SOCKET 0 port = 5000(0x1388), configure as below,
Figure 8.2 SOCKET n Status transition
cf> In UDP and IP RAW mode, the Sn_DIPR register compares
the previous and current values. ARP is only used if the two
values are different.
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