HT45F4MA datasheet(37/145 Pages) HOLTEK

номер детали	HT45F4MA

подробное описание детали	Power Bank Flash MCU

PDF	145 Pages

Scroll/Zoom	100%

производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

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37 / 145 page

Rev. 1.20

3�

De�e��e� 1�� 201�

Rev. 1.20

De�e��e� 1�� 201�

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

TB CK

Ti me B as e

HI RC

LI RC

Hi gh Sp ee d

O sci lla ti on

Lo w S pee d

O sci lla ti on

f H

f H /6 4

f H /3 2

f H /1 6

f H /8

f H /4

f H /2

6- st age P re sc al er

f SU B

f SYS

HL CL K,

CK S2 ~C KS 0 bi ts

f TB C

f SYS /4

f TB

WD T

sl eep

To p er ip he ra ls

System Clock Configurations

Note:WhenthesystemclocksourcefSYSisswitchedtofSUBfromfH,thehighspeedoscillationwillstopto

conservethepower.ThusthereisnofH~fH/64forperipheralcircuittouse.

System Operation Modes

Therearefivedifferentmodesofoperationforthemicrocontroller,eachonewithitsown

specialcharacteristicsandwhichcanbechosenaccordingtothespecificperformanceand

powerrequirementsoftheapplication.Therearetwomodesallowingnormaloperationofthe

microcontroller,theNORMALModeandSLOWMode.Theremainingthreemodes,theSLEEP,

IDLE0andIDLE1Mode,areusedwhenthemicrocontrollerCPUisswitchedofftoconservepower.

Operating Mode

Description

CPU

fSYS

fSUB

fTBC

NORMAL �ode

fH~fH/��

SLOW �ode

fSUB

ILDE0 �ode

Off

IDLE1 �ode

Off

SLEEP �ode

Off

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