HT45FM2C datasheet(73/171 Pages) HOLTEK

73 / 171 page

Rev. 1.10

7�

�a� �0� �01�

Rev. 1.10

7�

�a� �0� �01�

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

CCRP

CCRA

0x�FF or 0xFFFF

CCRA = 0

Counter overflows

CCRP Int.

Flag TnPF

CCRA Int.

Flag TnAF

CCRA > 0 Counter cleared b� CCRA value

T� O/P Pin

TnON bit

Pause

Counter

Reset

Output Pin

Reset to initial value

Output Pin set

to Initial Level

Low if TnOC = 0

Output Toggle

with TnAF flag

Here TnIO1� TnIO0 = 11

Toggle Output Select

Now TnIO1� TnIO0 = 10

Active High Output

Select

TnPAU bit

Resume

Stop

Time

TnPF not

generated

No TnAF flag

generated on

CCRA overflow

Output does

not change

CCRA = 0

Output inverts

when TnPOL is high

TnPOL bit

TnCCLR = 1; Tn�[1� 0] = 00

Output controlled b�

other pin-shared function

Output not affected b�

TnAF flag remains High

until reset b� TnON bit

Counter Value

Compare Match Output Mode – TnCCLR=1

Note:1.WithTnCCLR=1,aComparatorAmatchwillclearthecounter

2.TheTMoutputpiniscontrolledonlybytheTnAFflag

3.TheoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

4.TheTnPFflagisnotgeneratedwhenTnCCLR=1

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

HT45FM2C 데이터시트(PDF) 73 Page - Holtek Semiconductor Inc

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