Holtek HT66F20 Manual page 141

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
Counter Value
CCRA
CCRP
TnON
Software Cleared by
Trigger CCRA match
TCKn pin
TnPAU
TnPOL
CCRP Int.
No CCRP Interrupts
generated
Flag TnPF
CCRA Int.
Flag TnAF
TM O/P Pin
(TnOC=1)
TM O/P Pin
(TnOC=0)
Pulse Width
set by CCRA
Note: 1. Counter stopped by CCRA
2. CCRP is not used
3. The pulse triggered by the TCKn pin or by setting the TnON bit high
4. A TCKn pin active edge will automatically set the TnON bit high
5. In the Single Pulse Mode, TnIO [1:0] must be set to "11" and can not be changed
Rev. 2.50
Counter stopped
by CCRA
Pause
Auto. set by
TCKn pin
Software
Trigger
TCKn pin
Trigger
Single Pulse Mode
�4�
TnM [1:0] = 10 ; TnIO [1:0] = 11
Counter Reset when
TnON returns high
Counter Stops
Resume
by software
Software
Software
Software
Trigger
Clear
Trigger
Output Inverts
when TnPOL = 1
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Time