Holtek HT66F20-1 Manual page 122

Counte� Value
Counte� Clea�ed �y CCRP
CCRP
CCRA
CCRB
TnO�
TnPAU
TnAPOL
CCRA Int.
Flag TnAF
CCRB Int.
Flag TnBF
CCRP Int.
Flag TnPF
TPnA Pin
(TnAOC=1)
Duty Cycle
set �y CCRA
TPnB Pin
(TnBOC=1)
TPnB Pin
(TnBOC=0)
Duty Cycle
set �y CCRB
Note: 1. Here TnCCLR=0 therefore CCRP clears counter and determines PWM period
2. Internal PWM function continues even when TnAIO [1:0] (or TnBIO [1:0])=00 or 01
3. CCRA controls TPnA PWM duty and CCRB controls TPnB PWM duty
4. n=1
Rev. 1.40
HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
TnCCLR = 0;
TnAM [1:0] = 10� TnBM [1:0] = 10;
TnPWM [1:0] = 00
Pause
Duty Cycle Duty Cycle
set �y CCRA set �y CCRA
PWM Pe�iod set �y CCRP
ETM PWM Mode – Edge Aligned
1��
Flash MCU with EEPROM
Counte�
Resu�e
Stop
Resta�t
Output cont�olled �y Output Pin
othe� pin-sha�ed function Reset to Initial value
�ove��e� ��� �01�
Ti�e
Output Inve�ts
when TnAPOL
is high