W7100A WIZnet, W7100A Datasheet - Page 71

• 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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8
8.1
shown below.
8.2
8.2.1
TCPIPCore is composed of Common Register, SOCKET Register, TX Memory, and RX Memory as
Address offset
0xFE0000
0xFE0001
0xFE0002
0xFE0003
0xFE0004
0xFE0005
0xFE0006
TCPIPCore
Memory Map
Registers list
Common Registers
Symbol
SUBR0
SUBR1
GAR0
GAR1
GAR2
GAR3
MR
Figure 8.1 TCPIPCore Memory Map
Description
Mode Register
GAR (Gateway Address Register)
SUBR (Subnet Mask Register)
Ver. 1.12
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