Rev. 1.0, 02/00, page 314 of 1141
16.1.2
Block Diagram
Figure 16.1 shows a block diagram of the Timer X1.
Internal data bus
[Legend]
TIER
ICRA
ICRB
ICRC
ICRD
TCRX
OCRB
Comparison circuit
FRC
Comparison circuit
OCRA
TOCR
TCSRX
TIER
Input
capture
control
Output comparing output
Interrupt
request
×
7
FTOA
FTOB
FTIA*
(HSW)
FTIB*
(VD)
FTIC*
(DVCTL)
FTID*
(NHSW)
(DVCFG)
φ
/ 4
φ
/ 16
φ
/ 64
TCSRX
FRC
OCRA
OCRB
TCRX
TOCR
ICRA
ICRB
ICRC
ICRD
: Timer interrupt enabling register
: Timer control/status register X
: Free running counter
: Output comparing register A
: Output comparing register B
: Timer control register X
: Output comparing control register
: Input capture register A
: Input capture register B
: Input capture register C
: Input capture register D
Note: * stands for the external terminal.
( ) stands for the internal signal.
Figure 16.1 Block Diagram of Timer X1