COM20020-5 查看數據表（PDF） - SMSC -> Microchip

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COM20020-5

ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM

SMSC -> Microchip 

13,14

24

12

16,17

15,28

7,14,22

Crystal

Oscillator

Power

Supply

Ground

MISCELLANEOUS

XTAL1,

XTAL2

An external crystal should be connected to

these pins. If an external TTL clock is used

instead, it must be connected to XTAL1 with

a 390Ω pull-up resistor, and XTAL2 should

be left floating.

VDD

+5 Volt Power Supply pin.

VSS

Ground pin.

6

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