W7100A WIZnet, W7100A Datasheet - Page 141

• 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.
10.6 Transformer Characteristics
In the case of using the internal PHY mode, be sure to use symmetric transformer in order to
support Auto MDI/MDIX (Crossover).
In the case of using the External PHY mode, use the transformer which is suitable for external
PHY specification.
Turn Ratio
Inductance
Parameter
1:1
350 uH
Transmit End
1:1
350 uH
Receive End
Ver. 1.12
141