Holtek HT66F20-1 Manual page 117

HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
Flash MCU with EEPROM
Counte� ove�flow
Counte� Value
CCRP=0
0x�FF
CCRP
CCRB
TnO�
TnPAU
TnBPOL
CCRP Int.
Flag TnPF
CCRB Int.
Flag TnBF
TPnB O/P
Pin
Output pin set to
Output Toggle with
initial Level Low
if TnBOC=0
He�e TnBIO [1:0] = 11
Toggle Output select
ETM CCRB Compare Match Output Mode – TnCCLR=0
Note: 1. With TnCCLR=0 the Comparator P match will clear the counter
2. TPnB output pin controlled only by TnBF flag
3. Output pin reset to initial state by TnON bit rising edge
4. n=1
Rev. 1.40
CCRP > 0
Counte� clea�ed �y CCRP value
CCRP > 0
Output not affected �y TnBF
flag. Re�ains High until �eset
�y TnO� �it
TnBF flag
�ote TnBIO [1:0] = 10
Active High Output select
117
TnCCLR = 0; TnBM [1:0] = 00
Counte�
Resu�e
Resta�t
Pause Stop
Output Pin
Reset to Initial value
Output cont�olled �y
othe� pin-sha�ed function
�ove��e� ��� �01�
Ti�e
Output Inve�ts
when TnBPOL is high