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HT45F2002

2-Wire Communication Flash MCU

HT45F2002

2-Wire Communication Flash MCU

operateddevicecommunication,etc.

TheinclusionofflexibleI/Oprogrammingfeatures,Time-Basefunctionsalongwithmanyother

featuresensurethatthedevicewillfindexcellentuseinapplicationssuchaselectronicmetering,

environmentalmonitoring,handheldinstruments,householdappliances,electronicallycontrolled

tools,motordrivinginadditiontomanyothers.

Block Diagram

Thefollowingblockdiagramillustratesthedual-chipstructureofthedevice,whereanindividual

MCUandatwo-linetypepowerlinedatatransceiverchiparecombinedintoasinglepackage.

HT45B0005

HT66F0042

LDO

CN

IS

VCC

VCC

CN

IS

VDD

VSS

VDD

VDD

TX

RX

RX

TX

TRX

TRX

VSS

VSS

I/O Ports

LCD pins

A/D pins

OSC pins

TM pins

8-bit

RISC

MCU

Core

I/O

Timer

Modules

Flash

Program

Memory

EEPROM

Data

Memory

Flash/EEPROM

Programming Circuitry

RAM Data

Memory

Time

Base

Low

Voltage

Reset

Watchdog

Timer

Interrupt

Controller

Reset

Circuit

LCD Driver

SIM

12-bit A/D

Converter

LED Driver

Power Line Data

Transceiver

Internal RC

Oscillators

Note:ThePowerLineDataTransceiceristheICofthedual-chipinonedevice.