Rev. 1.00

8

���� 1�� �01�

Rev. 1.00

9

���� 1�� �01�

HT45F2002

2-Wire Communication Flash MCU

HT45F2002

2-Wire Communication Flash MCU

Pin Name

Function

OPT

I/T

O/T

Description

VCC

VCC

—

PWR

—

Inp�t vo�tage

VDD

VDD

—

PWR

—

Digita� positive power s�pp��.

Co��d connect to LDO pin externa���

VSS

VSS

—

PWR

—

Digita� negative power s�pp��.

Gro�nd pin - VSS

Legend:I/T:Inputtype

O/T:Outputtype

OPT:Optionalbyregisteroption

PWR:Power

ST:SchmittTriggerinput

AN:Analogsignal

CMOS:CMOSoutput

NMOS:NMOSoutput

Note:ThePB0~PB4,PB5,PC1,PC3~PC6andtheirpin-sharedfunctionsarenotconnectedto

externalpackagepins.

Internally Connected Pins

Exceptthepinsmentionedinthetableaboveseveralpinsarenotconnectedtoexternalpackage

pins.ThesepinsareinterconnectionpinsbetweentheMCUandthepowerlinedatatransceiver

chipsandarelistedinthefollowingtable.Thedescriptionisprovidedfromthepowerlinedata

transceiverchipstandpoint.

Power Line Data

Transceiver Pin Name

Type

Description

VSS

PWR Gro�nd Pin.

Connected to MCU negative power s�pp��� VSS

Absolute Maximum Ratings

StorageTemperature..................................................................................................... -50°Cto125°C

OperatingTemperature....................................................................................................-40°Cto85°C

TotalPowerDissipation............................................................................................................ 500mW

Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder“Absolute

MaximumRatings”maycausesubstantialdamagetothedevices.Functionaloperationof

thesedevicesatotherconditionsbeyondthoselistedinthespecificationisnotimpliedand

prolongedexposuretoextremeconditionsmayaffectdevicereliability.