W7100A WIZnet, W7100A Datasheet - Page 140

• 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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10.4 AC Characteristics
Reset Timing
External memory access timing
10.5 Crystal Characteristics
Frequency
Frequency Tolerance (at 25℃)
Shunt Capacitance
Drive Level
Load Capacitance
Aging (at 25℃)
T
t
access
ALE
1
2
ALE signal duration = ALECON register value + 1
clock (clock speed = 88.4736MHz)
External memory access period = 3us + EXTWTST
register value
Reset Cycle Time
PLL Lock-in Time
Parameter
Description
Description
25 MHz
±30 ppm
7pF Max
1 ~ 500uW (100uW typical)
18pF
±3ppm / year Max
Range
50 us
2 us
Min
1 clock
3 us
Min
Ver. 1.12
256 clock
10 ms
744us
Max
Max
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