H8-3644 Datasheet, PDF (259/549 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcomputer

Block Diagram
Figure 9.16 shows a block diagram of timer X.
FTIA
FTIB
FTIC
FTID
Input
capture
control
FTCI
φ
FTOA
FTOB
PSS
ICRA
ICRC
ICRB
ICRD
TCRX
OCRB
Comparator
FRC
Comparator
OCRA
TOCR
Section 9 Timers
TCSRX
TIER
Legend:
TIER: Timer interrupt enable register
TCSRX: Timer control/status register X
FRC: Free-running counter
OCRA: Output compare register A
OCRB: Output compare register B
TCRX: Timer control register X
TOCR: Timer output compare control register
ICRA: Input capture register A
ICRB: Input capture register B
ICRC: Input capture register C
ICRD: Input capture register D
PSS: Prescaler S
Figure 9.16 Block Diagram of Timer X
Interrupt
request
Rev. 6.00 Sep 12, 2006 page 239 of 526
REJ09B0326-0600