COM20051 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

COM20051

Integrated Microcontroller and Network Interface with Watchdog Timer and A/D Converter Interface

SMSC -> Microchip 

EMUL ALE

CONTROL BUS

ALE

nPSEN

8051

PORT1

TX

RX

T0

T1

RST

PORT0

PORT3

PORT2

INT0 INT1

A8-A15

ALE

COM20020

RD/WR nCS

AD0-AD7

ADDRESS

DECODER

nCS

ADC

INTERFACE

INT

INTSEL1

INTSEL2

WATCHDOG

TIMER

RST

nPULSE1

nPULSE2

TXEN

RXIN

START

EOC

HBE

LBE

ADC0

FIGURE 1 – INTERNAL ARCHITECTURE OF COM20051+

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