Holtek BS66F340 - Page 138

Rev. 1.60 138 August 20, 2019 Rev. 1.60 139 August 20, 2019
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
Counter Value
0x3FF
CCRP
CCRA
PTON
PTPAU
PTPOL
CCRP Int.
Flag PTMPF
CCRA Int.
Flag PTMAF
PTM O/P Pin
Time
CCRA=0
CCRA = 0
Counter overflow
CCRA > 0 Counter cleared by CCRA value
Pause
Resume
Stop
Counter Restart
PTCCLR = 1; PTM [1:0] = 00
Output pin set to
initial Level Low
if PTOC=0
Output Toggle with
PTMAF flag
Note PTIO [1:0] = 10
Active High Output select
Here PTIO [1:0] = 11
Toggle Output select
Output not affected by PTMAF
flag. Remains High until reset
by PTON bit
Output Pin
Reset to Initial value
Output controlled by
other pin-shared function
Output Inverts
when PTPOL is high
PTMPF not
generated
No PTMAF flag
generated on
CCRA overflow
Output does
not change
Compare Match Output Mode – PTCCLR=1
Note: 1. With PTCCLR=1, a Comparator A match will clear the counter
2. The PTM output pin is controlled only by the PTMAF ag
3. The output pin is reset to its initial state by a PTON bit rising edge
4. A PTMPF ag is not generated when PTCCLR =1