Datasheet

Section 12 8-Bit Timer (TMR)
Rev. 3.00 Mar 21, 2006 page 289 of 788
REJ09B0300-0300
External clock
sources
Internal clock
sources
TMR_X
φ
φ/2
φ/4
Clock X
Clock Y
Compare-match AX
Compare-match AY
Clear X
CMIAY
CMIBY
OVIY
ICIX
TMRIY
IVG signal
TCORA_Y
Comparator A_Y
Comparator B_Y
TCORB_Y
TCSR_Y
TCR_Y
TCORA_X
Comparator A_X
TCNT_X
Comparator B_X
Comparator C
TCORB_X
TCORC
TICRR
TICRF
TICR
TCSR_X
TCR_X
TMCIY
TMCIX
TISR
TCNT_Y
Overflow X
Overflow Y
Compare- match BX
Compare-match BY
Compare-match C
Input capture
TMOX
TMRIX
Clock
select
Internal bus
Control
logic
Legend:
TCORA_X: Time constant register A_X
TCORB_X: Time constant register B_X
TCNT_X: Timer counter_X
TCSR_X: Timer control/status register_X
TCR_X: Timer control register_X
TICR: Input capture register
TCORC: Time constant register C
TICRR: Input capture register R
TICRF: Input capture register F
TCORA_Y: Time constant register A_Y
TCORB_Y: Time constant register B_Y
TCNT_Y: Timer counter_Y
TCSR_Y: Timer control/status register_Y
TCR_Y: Timer control register_Y
TISR: Timer input select register
Clear Y
TMR_Y
φ/4
φ/256
φ/2048
Interrupt signals
+
Figure 12.2 Block Diagram of 8-Bit Timers (TMR_Y and TMR_X)