W7100A WIZnet, W7100A Datasheet - Page 2

• 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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Table of Contents
1
2
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
2.5
1.3.1
1.3.2
1.4.1
1.4.2
1.5.1
2.1.1
2.2.1
2.3.1
2.3.2
2.5.1
2.5.2
2.5.3
2.5.4
2.5.5
2.5.6
Overview ..................................................................................... 11
Introduction .................................................................................. 11
W7100A Features ............................................................................ 11
W7100A Block Diagram & Features ....................................................... 12
Pin Description .............................................................................. 16
64pin package description ................................................................. 24
Memory ....................................................................................... 26
Code Memory ................................................................................ 26
Data Memory ................................................................................. 29
External Data Memory Access ............................................................. 29
Internal Data Memory and SFR ............................................................ 32
SFR definition ................................................................................ 33
1.4.2.1
1.4.2.2
1.4.2.3
1.4.2.4
1.4.2.5
1.4.2.6
1.4.2.7
1.4.2.8
1.4.2.9
ALU (Arithmetic Logic Unit) ....................................................... 12
TCPIPCore ............................................................................ 14
Pin Layout ............................................................................ 16
Pin Description ....................................................................... 17
Difference between 100 and 64pin package .................................... 24
Code Memory Wait States .......................................................... 28
Data Memory Wait States .......................................................... 29
Standard 8051 Interface ............................................................ 30
Direct Interface ...................................................................... 31
Program Code Memory Write Enable Bit ......................................... 33
Program Code Memory Wait States Register .................................... 33
Data Pointer Extended Registers .................................................. 35
Data Pointer Registers .............................................................. 35
Clock Control Register .............................................................. 36
Internal Memory Wait States Register ............................................ 37
Configuration ................................................................... 18
Timer ............................................................................ 19
UART ............................................................................. 19
DoCD™ Compatible Debugger ................................................ 19
Interrupt / Clock .............................................................. 19
GPIO ............................................................................. 20
Media Interface ................................................................ 21
Network Indicator LED ........................................................ 22
Power Supply Signal ........................................................... 22
Ver. 1.12
2