HT47C07L datasheet(13/57 Pages) HOLTEK

13 / 57 page

Rev. 1.10

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Rev. 1.10

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HT47C07L/HT47C08L

R-F Type Low Voltage 8-bit Mask MCU

HT47C07L/HT47C08L

R-F Type Low Voltage 8-bit Mask MCU

De vi ce I ni ti a liz at io n Pr og ra m

Pr og ra m

RO M

16 b it s

Look -u p Ta bl e (2 56 wo rd s)

Ti me B as e In te rr up t S ub ro ut in e

Look -u p Ta bl e (2 56 wo rd s)

Ti me r/ ev en t Co unt er In te rr up t Su br ou ti ne

000H

004H

n FFH

100H

1 FFH

008H

Note:nisupto3forHT47C07Lwhilenisupto7forHT47C08L

Program Memory

Instruction(s)

Table Location

*10

TABRDC [�]

P10

@�

TABRDL [�]

@�

Table Location

Note:*10~*0:Bitsoftablelocation

@7~@0:Bitsoftablepointer

P10~P0:Bitsofcurrentprogramcounter

ForHT47C07L,thebitsoftablelocationare10bits.

ForHT47C08L,thebitsoftablelocationare11bits.

Data Memory – RAM

Thedatamemoryisdividedintotwofunctionalgroups:specialfunctionregistersandgeneral-purpose

datamemory.Mostareread/write,butsomearereadonly.

Thespecialfunctionregistersincludetheindirectaddressingregister0(IAR0),thememorypointer

register0(MP0),theindirectaddressingregister1(IAR1),thememorypointerregister1(MP1),the

bankpointer(BP),theaccumulator(ACC),theprogramcounterlower-orderbyteregister(PCL),

thetablepointer(TBLP),thetablehigher-orderbyteregister(TBLH),thetimebasecontrolregister

(TBC),thestatusregister(STATUS),theinterruptcontrolregister(INTC),theI/Oregisters(PA;

PB;PC),I/Oportcontrolregister(PAC;PBC;PCC),thetimer/eventcounterAhigher-orderbyte

countercontrolregister(TMRC),thetimer/eventcounterBhigher-orderbyteregister(TMRBH),

thetimer/eventcounterBlower-orderbyteregister(TMRBL),theRCoscillatortypeA/Dconverter

controlregister(ADCR).

Theremainingspacebeforethe80Harereservedforfutureexpandedusageandreadingthese

locationswillreturntheresult00H.Thegeneral-purposedatamemory,addressedfrom80HtoAFH

forHT47C07Lorfrom80HtoDFHforHT47C08L,isusedfordataandcontrolinformationunder

instructioncommand.

Alldatamemoryareascanhandlearithmetic,logic,increment,decrementandrotateoperations.

Exceptforsomededicatedbits,eachbitinthedatamemorycanbesetandresetbythe"SET[m].i"

and"CLR[m].i"instruction,respectively.Theyarealsoindirectlyaccessiblethroughmemory

pointerregisters(MP0;01H,MP1;03H).

HT47C07L Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

HT47C07L Datasheet(HTML) 13 Page - Holtek Semiconductor Inc

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