HT45FM2C datasheet(76/171 Pages) HOLTEK

76 / 171 page

Rev. 1.10

�a� �0� �01�

Rev. 1.10

�a� �0� �01�

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

Counter Value

CCRP

CCRA

TnON

TnPAU

TnPOL

CCRP Int.

Flag TnPF

CCRA Int.

Flag TnAF

T� O/P Pin

(TnOC=1)

Time

Counter cleared

b� CCRA

Pause Resume

Counter Stop if

TnON bit low

Counter Reset when

TnON returns high

TnDPX = 1; Tn� [1:0] = 10

PW� Dut� C�cle

set b� CCRP

PW� resumes

operation

Output controlled b�

other pin-shared function

Output Inverts

when TnPOL = 1

PW� Period

set b� CCRA

T� O/P Pin

(TnOC=0)

PWM Mode – TnDPX=1

Note:1.HereTnDPX=1–CounterclearedbyCCRA

2.AcounterclearsetsthePWMPeriod

3.TheinternalPWMfunctioncontinuesevenwhenTnIO[1:0]=00or01

4.TheTnCCLRbithasnoinfluenceonPWMoperation

5.n=0,1,2,3,5

Buzzer control

Buzzer

HT45F��C

10-bit CT�

T��

The10-bitCTMcandriveanexternalbuzzerusingitsPWMmodetoprovidevolumecontrol.

HT45FM2C Datasheet(PDF) 76 Page - Holtek Semiconductor Inc

HT45FM2C Datasheet(HTML) 76 Page - Holtek Semiconductor Inc

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