W7100A-64QFN WIZnet, W7100A-64QFN Datasheet - Page 23
W7100A-64QFN
Manufacturer Part Number
W7100A-64QFN
Description
8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
Manufacturer
WIZnet
Datasheet
1.W7100A.pdf
(156 pages)
Specifications of W7100A-64QFN
Rohs
yes
Interface Type
UART
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© Copyright 2011 WIZnet Co., Inc. All rights reserved.
VCC1V8
GNDA
GND
1V8O
60,
64
16,
44,
51,
57,
63,
65,
76
68, 83
69, 92
6, 7,
36,
74
54, 11
43, 50
47, 63
7, 8,
39,
46,
31,
26,
48
Power
Power
Power
Power
-
-
-
-
A 10uF tantalum capacitor and a 0.1uF capacitor
should be connected between VCC1A8 and GNDA
to filter out core power noise
Digital 1.8V power supply
Between each pair of VCC and GND, a 0.1uF
decoupling capacitor should be connected
Analog ground
Design the analog ground plane as wide as
possible during PCB layout
Digital ground
Design the digital ground plane as wide as
possible during PCB layout
1.8V regulated output voltage
1.8V/150mA power generated by internal power
regulator which is used for core operation power
(VCC1A8, VCC1V8).
Between the 1V8O and GND, Be sure to connect a
3.3uF tantalum capacitor for output frequency
compensation and a 0.1uF capacitor for high
frequency noise decoupling.
1V8O is connected to VCC1V8, separated to 1uH
inductor and connected to VCC1A8.
<Notice> 1V8O is the power supply for W7100A use
only. This supply should not be connected with
any other devices.
Ver. 1.12
23
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