W7100A WIZnet, W7100A Datasheet - Page 102

• 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

© Copyright 2011 WIZnet Co., Inc. All rights reserved.
0x100n][0x02]
configurable in the size of 1, 2, 4, 8, 16Kbytes. 2Kbytes is assigned when reset.
Sn_TXMEM_SIZE
Sn_TXMEM_SIZE
It configures the internal TX Memory size of each SOCKET. TX Memory size of each SOCKET is
Ex1) SOCKET 0 : 8KB, SOCKET 1 : 2KB
Ex2) SOCKET 2 : 1KB, SOCKET 3 : 1KB
Ex3) SOCKET 4 : 1KB, SOCKET 5 : 1KB
Ex4) SOCKET 6 : 1KB, SOCKET 7 : 1KB
As shown above ex1) ~ ex4), total size of each SOCKET’s RX memory (Sn_RXMEM_S
IZE
Ex5) SOCKET 0 : 4KB, SOCKET 1 : 1KB
Ex6) SOCKET 2 : 2KB, SOCKET 3 : 1KB
Ex7) SOCKET 4 : 2KB, SOCKET 5 : 2KB
SUM
) is 16Kbytes.
SUM
0xFE401E
0xFE421E
0xFE441E
0xFE461E
0xFE401F
0xFE421F
0xFE441F
(summation of Sn_TXMEM_SIZE) of each SOCKET should be 16KB.
0x08
0x01
0x01
0x01
0x04
0x02
0x02
(SOCKET
n
Transmit
0xFE411E
0xFE431E
0xFE451E
0xFE471E
0xFE411F
0xFE431F
0xFE451F
0x02
0x01
0x01
0x01
0x01
0x01
0x02
Memory
Size
Register)[R/W][0xFE401F
Ver. 1.12
+
102