HT83B60 datasheet(25/84 Pages) HOLTEK

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HT83B60

Voice Mask MCU

HT83B60

Voice Mask MCU

Input/Output Ports and Control Registers

WithintheareaofSpecialFunctionRegisters,theI/Oregistersandtheirassociatedcontrolregisters

playaprominentrole.AllI/OportshaveadesignatedregistercorrespondinglylabeledasPA,PB

andPC.TheselabeledI/OregistersaremappedtospecificaddresseswithintheDataMemoryas

shownintheDataMemorytable,whichareusedtotransfertheappropriateoutputorinputdataon

thatport.WitheachI/OportthereisanassociatedcontrolregisterlabeledPAC,PBCandPCC,also

mappedtospecificaddresseswiththeDataMemory.Thecontrolregisterspecifieswhichpinsof

thatportaresetasinputsandwhicharesetasoutputs.Tosetupapinasaninput,thecorresponding

bitofthecontrolregistermustbesethigh,foranoutputitmustbesetlow.Duringprogram

initialization,itisimportanttofirstsetupthecontrolregisterstospecifywhichpinsareoutputsand

whichareinputsbeforereadingdatafromorwritingdatatotheI/Oports.Oneflexiblefeatureof

theseregistersistheabilitytodirectlyprogramsinglebitsusingthe"SET[m].i"and"CLR[m].

i"instructions.TheabilitytochangeI/Opinsfromoutputtoinputandviceversabymanipulating

specificbitsoftheI/Ocontrolregistersduringnormalprogramoperationisausefulfeatureofthese

devices.

Port C Pull-high Control Register - PCPHC

PortCpull-highcontrolregister,PCPHC,isusedtosetthePortCpullhighfunction.

2+ 2 0+ 4A CE IJ AH

C ont ro l t he Po r t C P ul l- Hi gh

1: enabk e

0: d is abl e - def aul t

No t i m p le me nt ed, r ead as " 0"

PC P HC0

PC PH C1

PC P HC2

Voice Control and Audio output Registers - DAL, DAH, VOL

Thedevicesincludeasingle12-bitcurrenttypeDACfunctionfordrivinganexternal8Wspeaker

throughanexternalNPNtransistororPowerAmplifier.Theprogrammermustwriterthevoicedata

totheseDAL/DAHregisters.TheprogrammercancontroltheDACvolumewith8-levelsviathe

VOLregister.

Pulse Width Modulator Registers - PWMC, PWML, PWMH

Eachdevicecontainsasingle12-bitPWMfunctionfordrivinganexternal8Wspeaker.The

programmermustwriterthevoicedatatoPWML/PWMHregister.Theprogrammercancontrolthe

PWMvolumewith9-levelsviatheVOLregister.

Serial Interface Module (SIM) Registers - SIMC0A/B, SIMC1A/B, SIMC2A/B,

SIMARA/B, SIMDRA/B

EachSIMcontainsSPIandI2CfunctionforcommunicatingwithothermicrocontrollerorSPIFlash

Memory.AlldevicescontainanintegratedI2CandSPIbuswhichinterfacestotheexternalshared

pinsSDA,SCLandSCSB,SCK,SDI,SDOwithPBonthemicrocontroller.TheI2Ccorrectsetup

anddatatransferoperationofthis2-linebidirectionalbusutilizes4specialfunctionregisters.The

SIMARA/BregistersetstheslaveaddressofthedevicewhiletheSIMC0A/Bisthecontrolregister

thatenablesordisablesthedeviceaswellasselectwhetheritisinI2CorSPImode.TheSIMC1A/

BregisteristheI2CstatusregisterwhiletheSIMDRA/Bregisteristheinput/outputdataregister.

TheSPIcorrectsetupanddatatransferoperationofthis3-linebidirectionalbusutilizes3special

functionregisters.TheSIMC0A/Bisthecontrolregisterthatenablesordisablesthedeviceaswell

asselectwhetheritisinI2CorSPImode.TheSIMC2A/BregisteristheSPIstatusregisterwhilethe

SIMDRA/Bregisteristheinput/outputdataregister.

HT83B60 Datasheet(PDF) 25 Page - Holtek Semiconductor Inc

HT83B60 Datasheet(HTML) 25 Page - Holtek Semiconductor Inc

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