COM20022 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

COM20022

10Mbps ARCNET controller with 2Kx8 on-board RAM

SMSC -> Microchip 

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D0-D7

Data Register

I/O Address 04H

Memory

Data Bus

8

Address Pointer Register

I/O Address 02H I/O Address 03H

High

Low

11-Bit Counter

Memory

Address Bus

11

2K x 8

INTERNAL

RAM

FIGURE 13 - SEQUENTIAL ACCESS OPERATION

48

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