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External clock
sources
ExTMCIY*/TMCIY
ExTMCIX*/TMCIX
TMOY*
ExTMRIY*/TMRIY
ExTMOX*/TMOX
ExTMRIX*/TMRIX
[Legend]
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:
TISR:
Note: The program development tool (emulator) does not support this function.
Figure 10.2 Block Diagram of 8-Bit Timer (TMR_Y and TMR_X)
Rev. 1.00, 05/04, page 186 of 544
Internal clock
sources
TMR_X
φ, φ/2, φ/4, φ/2048*, φ/4096*, φ/8192*
TMR_Y
φ/4, φ/256, φ/2048, φ/4096*, φ/8192*, φ/16384*
Clock X
Clock Y
Clock
*
select
*
Compare-match AX
Compare-match AY
Overflow X
Overflow Y
Compare- match BX
Compare-match BY
Control
logic
Input capture
Compare-match C
Interrupt signals
CMIAY
CMIBY
OVIY
ICIX
Timer control register_Y
Timer input select register
TCORA_Y
Comparator A_Y
TCNT_Y
Clear Y
Clear X
Comparator B_Y
TCORB_Y
Comparator C
TCSR_Y
TCR_Y
TISR
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_X
Comparator A_X
TCNT_X
Comparator B_X
TCORB_X
TICRR
TICRF
TICR
+
TCORC
TCSR_X
TCR_X
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