Holtek HT66F20-1 Manual page 100

Counte� Value
CCRA > 0 Counte� clea�ed �y CCRA value
0x�FF
CCRA
CCRP
TnO�
TnPAU
TnPOL
CCRA Int.
Flag TnAF
CCRP Int.
Flag TnPF
TnPF not
gene�ated
TM O/P Pin
Output Toggle with
Output pin set to
initial Level Low
if TnOC=0
He�e TnIO [1:0] = 11
Toggle Output select
Note: 1. With TnCCLR=1, a Comparator A match will clear the counter
2. The TM output pin is controlled only by the TnAF flag
3. The output pin is reset to its initial state by a TnON bit rising edge
4. A TnPF flag is not generated when TnCCLR=1
5. n=1
Rev. 1.40
HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
TnCCLR = 1; TnM [1:0] = 00
Resu�e
Pause
Output not affected �y
TnAF flag. Re�ains High
until �eset �y TnO� �it
TnAF flag
�ote TnIO [1:0] = 10
Active High Output select
Compare Match Output Mode – TnCCLR=1
100
Flash MCU with EEPROM
CCRA = 0
Counte� ove�flow
CCRA=0
Stop
Counte� Resta�t
�o TnAF flag
gene�ated on
CCRA ove�flow
Output does
not change
Output Inve�ts
when TnPOL is high
Output Pin
Reset to Initial value
Output cont�olled �y
othe� pin-sha�ed function
�ove��e� ��� �01�
Ti�e