Holtek HT66F488 Manual page 71

HT66F488/HT66F489
A/D Flash MCU with EEPROM
Counte� Value
�x3FF
CCRA
CCRP
CTO�
CTPAU
CTPOL
CCRA Int.
Flag CTMAF
CCRP Int.
Flag CTMPF
CTMPF not
gene�ated
CTM O/P Pin
Output Pin set
to Initial Level with CTMAF flag
Low if CTOC = �
He�e CTIO[1:�] = 11
Toggle Output Select
Note: 1. With CTCCLR = 1, a Comparator A match will clear the counter
2. The TM output pin controlled only by the CTMAF flag
3. The output pin reset to initial state by a CTON rising edge
4. The CTMPF flags is not generated when CTCCLR = 1
Rev. 1.21
CCRA > �
Counte� clea�ed �y CCRA value
Pause
Output not affected �y
Output Toggle CTMAF flag. Re�ains High
until �eset �y CTO� �it
�ow CTIO[1:�] = 1�
Active High Output Select
Compare Match Output Mode – CTCCLR = 1
�1
CTCCLR = 1; CTM[1:�] = �� / �1
Resu�e
CCRA = �
Counte� Reset
Stop
Output Pin
Reset to initial value
un-defined
CCRA = �
Counte� ove�flow
Ti�e
�o CTMAF flag
gene�ated on
CCRA ove�flow
Output does
not change
Output inve�ts
when CTPOL is high
�ove��e� ��� 2�1�