HT66F4530 datasheet(38/224 Pages) HOLTEK

38 / 224 page

Rev. 1.00

De�e��e� �1� �01�

Rev. 1.00

De�e��e� �1� �01�

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

Data Memory

TheDataMemoryisavolatileareaof8-bitwideRAMinternalmemoryandisthelocationwhere

temporaryinformationisstored.

Categorizedintotwotypes,thefirstoftheseisanareaofRAMwherespecialfunctionregistersare

located.Theseregistershavefixedlocationsandarenecessaryforcorrectoperationofthesedevices.

Manyoftheseregisterscanbereadfromandwrittentodirectlyunderprogramcontrol,however,

someremainprotectedfromusermanipulation.ThesecondareaofDataMemoryisreservedfor

generalpurposeuse.Alllocationswithinthisareaarereadandwriteaccessibleunderprogram

control.

SwitchingbetweenthedifferentDataMemorysectorsisachievedbyproperlysettingtheMemory

Pointerstocorrectvalue.

Structure

TheDataMemoryissubdividedintoseveralsectors,allofwhichareimplementedin8-bitwide

RAM.EachoftheDataMemorySectoriscategorizedintotwotypes,thespecialPurposeData

MemoryandtheGeneralPurposeDataMemory.TheaddressrangeoftheSpecialPurposeData

Memoryforthesedevicesisfrom00Hto7FHwhiletheGeneralPurposeDataMemoryaddress

rangeisfrom80HtoFFH.

Device

Special Purpose

Data Memory

General Purpose

Data Memory

Located Sectors

Capacity

Sector: Address

HT��F4530

0: 00H~7FH

1: 40H (EEC)

1�8×8

0: 80H~FFH

HT��F4540

0: 00H~7FH

1: 40H (EEC)

�5�×8

0: 80H~FFH

1: 80H~FFH

HT��F4550

0: 00H~7FH

1: 40H (EEC)

384×8

0: 80H~FFH

1: 80H~FFH

�: 80H~FFH

Se�to� N

Se�to� 1

00H

Se�to� 0

7FH

80H

FFH

Spe�ial Pu�pose

Data Me�o�y

(Se�to� 0 ~ Se�to� 1)

Gene�al Pu�pose

Data Me�o�y

(Se�to� 0 ~ Se�to� N)

40H

Note: N=0 fo� HT��F4530;

N=1 fo� HT��F4540;

N=� fo� HT��F4550.

Data Memory Structure

HT66F4530 데이터시트(PDF) 38 Page - Holtek Semiconductor Inc

HT66F4530 데이터시트(HTML) 38 Page - Holtek Semiconductor Inc

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