Holtek HT66F488 Manual page 103

HT66F488/HT66F489
A/D Flash MCU with EEPROM
Counte� Value
CCRP
YY
XX
PTnO�
PTnPAU
Active
edge
PTMn Captu�e Pin
PTPn o� PTCKn
CCRA Int.
Flag PTMnAF
CCRP Int.
Flag PTMnPF
CCRA Value
PTnIO [1:�]
�� - Rising edge
Value
Note: 1. PTnM [1:0] = 01 and active edge set by the PTnIO [1:0] bits
2. A TM Capture input pin active edge transfers the counter value to CCRA
3. PTnCCLR bit not used
4. No output function – PTnOC and PTnPOL bits are not used
5. CCRP determines the counter value and the counter has a maximum count value when CCRP is equal to
zero.
Rev. 1.21
Counte� clea�ed �y
CCRP
Active
Active edge
edge
XX YY XX
�1 - Falling edge 1� - Both edges
Capture Input Mode (n=0, 1)
1�3
PTnM[1:0] = 01
Counte� Counte�
Stop Reset
Resu�e
Pause
Ti�e
YY
11 - Disa�le Captu�e
�ove��e� ��� 2�1�