HT85F2270 datasheet(8/226 Pages) HOLTEK

8 / 226 page

Rev. 1.00

8 of ��6

�a� 1�� 01�

Standard 8051 8-Bit Flash MCU

HT85F2260/HT85F2270/HT85F2280

List of Tables

Program �emor� Register List ................................................................................................................ ��

F�AR0 Register – Flash Program �emor� Address Register 0 ............................................................. ��

F�AR1 Register – Flash Program �emor� Address Register 1 ............................................................. �4

F�AR� Register – Flash Program �emor� Address Register � ............................................................. �4

F�DR Register – Flash Program �emor� Data Register ....................................................................... �4

F�CR Register – Flash Program �emor� Control Register ................................................................... ��

F�KEY Register – Flash Program �emor� Unlock Ke� Data Register .................................................. �6

F�SR Register – Flash Program �emor� Status Register ..................................................................... �6

HT8�F��60 Program �emor� Contents.................................................................................................. 4�

HT8�F��70 Program �emor� Contents.................................................................................................. 44

HT8�F��80 Program �emor� Contents.................................................................................................. 44

Securit� B�tes.......................................................................................................................................... 44

General Purpose Data RA�� 0H~�FH� Bit Address �ap ...................................................................... �0

Special Function Register Bit Addresses �ap......................................................................................... �1

Special Function Register �ap................................................................................................................ ��

DPS Register – Data Pointer Select Register.......................................................................................... �4

DPC Register – Data Pointer Control Register........................................................................................ ��

PSW Register – Program Status Word Register ..................................................................................... �6

Cr�stal Recommended Capacitor Values ................................................................................................ �8

��768Hz Cr�stal Recommended Capacitor Values................................................................................. �9

S�stem Clock Control Register – SCCR.................................................................................................. 6�

High Speed Oscillator Control Register – HSOCR .................................................................................. 6�

Low Speed Oscillator Control Register – LSOCR ................................................................................... 6�

PLL Control Register – PLLCR................................................................................................................ 6�

PCON Register – Power Control Register............................................................................................... 67

WDT Register Contents........................................................................................................................... 70

IEN0 Register .......................................................................................................................................... 70

IEN1 Register .......................................................................................................................................... 71

WDTREL Register ................................................................................................................................... 71

WDTCR Register ..................................................................................................................................... 7�

IP0 Register ............................................................................................................................................. 7�

Watchdog Timer Enable/Disable Control................................................................................................. 7�

LVDCR Register....................................................................................................................................... 7�

Reset Source Summar�........................................................................................................................... 76

RSTSRC Register.................................................................................................................................... 77

LVRCR Register....................................................................................................................................... 80

IP0 Register ............................................................................................................................................. 81

T�CON1 Register .................................................................................................................................... 8�

CP0CR Register ...................................................................................................................................... 8�

Software Reset Summar�........................................................................................................................ 84

SRST Register......................................................................................................................................... 84

WDTCR Register ..................................................................................................................................... 8�

LVRCR Register....................................................................................................................................... 8�

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