Holtek HT66F488 Manual page 99

HT66F488/HT66F489
A/D Flash MCU with EEPROM
Counte� Value
CCRP
CCRA
PTnO�
PTnPAU
PTnPOL
CCRA Int. Flag
PTMnAF
CCRP Int. Flag
PTMnPF
PTM O/P Pin
(PTnOC=1)
PTM O/P Pin
(PTnOC=�)
PWM Duty Cycle
set �y CCRA
Note: 1. A counter clear sets the PWM Period
2. The internal PWM function continues running even when PTnIO [1:0] = 00 or 01
3. The PTnCCLR bit has no influence on PWM operation
Rev. 1.21
Counte� clea�ed
�y CCRP
Pause Resu�e
PWM Pe�iod
set �y CCRP
PWM mode (n=0, 1)
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PTnM [1:�] = 1� ; PTnIO [1:�]=1�
Counte� Reset when
PTnO� �etu�ns high
Counte� Stop if
PTnO� �it low
PWM �esu�es
ope�ation
Output cont�olled �y
Output Inve�ts
othe� pin-sha�ed function
When PTnPOL = 1
�ove��e� ��� 2�1�
Ti�e