Rev. 1.00
�4
��ne ��� �01�
Rev. 1.00
�5
��ne ��� �01�
HT66FM5440
Brushless DC Motor A/D Flash MCU
HT66FM5440
Brushless DC Motor A/D Flash MCU
Counter Value
0xFFFF
or 0x3FF
CCRP
CCRA
PTnON
PTnPAU
PTnPOL
CCRP Int. Flag
TMnPF
CCRA Int. Flag
TMnAF
PTMn O/P Pin
Time
CCRA=0
CCRA = 0
Co�nter overflow
CCRA > 0 Co�nter cleared by CCRA val�e
Pa�se
Res�me
Stop
Co�nter Restart
PTnCCLR = 1; PTnM[1:0] = 00
O�tp�t pin set
to initial Level
Low if
PTnOC=0
O�tp�t Toggle with
TMnAF flag
Note PTnIO [1:0] = 10
Active High O�tp�t select
Here PTnIO [1:0] = 11
Toggle O�tp�t select
O�tp�t not affected by
TMnAF flag. Remains High
�ntil reset by PTnON bit
O�tp�t Pin
Reset to Initial val�e
O�tp�t controlled by other
pin-shared f�nction
O�tp�t Inverts
when PTnPOL is high
TMnPF not
generated
No TMnAF flag
generated on
CCRA overflow
O�tp�t does
not change
Compare Match Output Mode – PTnCCLR=1 (n=0~3)
Note: 1. With PTnCCLR=1 a Comparator A match will clear the counter
2. The PTMn output pin is controlled only by the TMnAF flag
3. The output pin is reset to its initial state by a PTnON bit rising edge
4. A TMnPF flag is not generated when PTnCCLR=1