HT85F2270 datasheet(24/226 Pages) HOLTEK

24 / 226 page

Rev. 1.00

�4 of ��6

�a� 1�� 01�

Standard 8051 8-Bit Flash MCU

HT85F2260/HT85F2270/HT85F2280

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

ISTB1

Stanb� Current

(Power-Down mode)(HIRC off� HXT off)

�V

No load� All peripherals off

—

1.�

μA

�V

—

�.�

ISTB�

Stanb� Current (Idle)

(HIRC off� HXT on)

�V No load� fOSC=4�Hz (Cr�stal OSC)

fSYS off� ADC off� DAC off�

LVD/LVR disable� WDT enable�

—

1.�

�.�

�V

—

�.�

�.0

VIL1

Input Low Voltage (except RESET pin)

— quasi-bidirection mode

— 0.�VDD

VIH1

Input High Voltage (except RESET pin)

— quasi-bidirection mode

0.8VDD —

VDD

VIL�

Input Low Voltage (RESET pin)

—

— 0.4VDD

VIH�

Input High Voltage (RESET pin)

—

0.9VDD —

VDD

IOL

I/O Port Sink Current

�.�V

VOL=0.4V

—

6.0

—

�.�V

—

9.0

—

�.0V

—

1�.0

—

IOH1

I/O Port Source Current

(push-pull mode for Ports 0� 1� �� )

�.�V

VOH=0.9VDD

—

-1.0

—

�.�V

—

-�.0

—

�.0V

—

-4.0

—

IOH�

I/O Port Source Current

(quasi-bidirection mode for Ports 0� 1� �� 4� �)

�.�V

VOH=0.9VDD

—

-40

—

μA

�.�V

—

-80

—

�.0V

—

-160

—

IIL

Logical 0 input current� Ports 0� 1� �� 4� �

(quasi-bidirection mode)

�V VIN=0.4V

—

-�0

μA

ITL

Logical 1 to 0 transition

Current� Ports 0� 1� �� 4� �

(quasi-bidirection mode)

�V VIN=�.4V

—

-9�0

μA

ILI

Input Leakage current� Ports 0� 1� ��

(input mode)

�V 0.4�V<VIN<VDD-0.�

—

±10

μA

VBG

Bandgap reference with buffer voltage

(for A/D t�pe �CU Tin� Power IP)

—

-�%

1.1

+�%

IBG

Additional Power Consumption if Reference

with Buffer is used (for A/D t�pe �CU)

—

�00

μA

ILVR

Additional Power Consumption if LVR is used

(for Tin� Power IP)

�V

LVR enable

—

7�

100

μA

�V

—

7�

100

ILVD

Additional Power Consumption if LVD is used

(for Tin� Power IP)

�V

LVD enable

—

7�

100

μA

�V

—

7�

100

VLVR1

Low Voltage Reset Voltage

—

LVR Enable� �.1V select

-�%

�.1

+�%

VLVR�

LVR Enable� �.��V select

�.��

VLVR�

LVR Enable� �.1�V select

�.1�

VLVR4

LVR Enable� 4.0V select

4.0

VLVD1

Low Voltage Detector Voltage

—

LVD Enable� �.0V Select

-�%.

�.0

+�%

VLVD�

LVD Enable� �.�V Select

�.�

VLVD�

LVD Enable� �.4V Select

�.4

VLVD4

LVD Enable� �.7V Select

�.7

VLVD�

LVD Enable� �.0V Select

�.0

VLVD6

LVD Enable� �.�V Select

�.�

VLVD7

LVD Enable� �.6V Select

�.6

VLVD8

LVD Enable� 4.�V Select

4.�

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