Holtek HT66F20-1 Manual page 130

Counte�
Value
CCRP
YY
XX
TnO� �it
TnPAU �it
Active
edge
TM Captu�e Pin
CCRB Int.
Flag TnBF
CCRP Int.
Flag TnPF
CCRB
XX
Value
TnBIO1� TnBIO0
00 - Rising edge
Value
Note: 1. TnBM [1:0]=01 and active edge set by the TnBIO [1:0] bits
2. The TM Capture input pin active edge transfers the counter value to CCRB
3. The TnCCLR bit is not used
4. No output function – TnBOC and TnBPOL bits are not used
5. CCRP determines the counter value and the counter has a maximum count value when CCRP is equal to
zero.
6. n=1
Rev. 1.40
HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
Counte�
ove�flow
Active
Active
edges
edge
YY XX
01 - Falling edge 10 - Both edges
ETM CCRB Capture Input Mode
1�0
Flash MCU with EEPROM
TnBM1� TnBM0 = 01
Counte�
Stop
Reset
Pause Resu�e
YY
11 - Disa�le Captu�e
�ove��e� ��� �01�
Ti�e