Fujitsu FR60 Hardware Manual page 304

CHAPTER 7 PPG TIMER
■ Block Diagram of One Channel of the PPG Timer
Figure 7.2-2 Block Diagram of One Channel of the PPG Timer
Prescaler
1/1
1/4
1/16
1/64
Peripheral clock
TRG input
Edge detection
Software trigger
284
PCRS
CK Load
16-bit down counter
Start Borrow
Enable
PDUT
CMP
PPG mask
S Q
R
Reverse bit
Interrupt
selection
PPG output
IRQ