COM20051I View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

COM20051I

Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

SMSC -> Microchip 

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RXIN

COM20051I

nTXEN

nPULSE1

nPULSE2

GND

HYC9068 or

HYC9088

RXIN

+5V

10 uF +

6

0.47 uF

N/C

nPULSE1

nPULSE2

17, 19,

4, 13, 14

0.47

uF

12

11

5.6K

1/2W

5.6K

1/2W

0.01 uF

1KV

3

-5V

+ 10

uF

Traditional Hybrid

Configuration

FIGURE 6 – DIPULSE HYBRID CONFIGURATION

RT

+VCC

RT

75176B or

Equiv.

RBIAS

+VCC

RBIAS

+VCC

RBIAS

COM20051I

COM20051I

COM20051I

FIGURE 7 – COM20051I NETWORK USING RS-485 DIFFERENTIAL TRANSCEIVERS

SMSC DS – COM20051I

Page 19

Rev. 03/27/2000

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