R01UH0823EJ0100 Rev.1.00 Page 729 of 1823
Jul 31, 2019
RX23W Group 26. 8-Bit Timer (TMR)
Figure 26.2 Block Diagram of TMR (Unit 1)
TMO2
Interrupt signal
Clock select
Compare match A3
Compare match A2
Comparator A2
TCNT
Overflow 2
Overflow 3
Counter clear 2
Counter clear 3
Compare match B3
Compare match B2 Comparator B2
TCORB
TCSR
TCR
TCSTR
TCORA
Count clock 3
Count clock 2
Channel 2
(TMR2)
CMIA2
CMIA3
CMIB2
CMIB3
OVI2
OVI3
TMCI2
TMCI3
TMRI2
TMRI3
Internal clock
PCLK/8
PCLK/2
PCLK/32
PCLK/64
PCLK/1024
PCLK/8192
PCLK
Comparator A3
TCNT
Comparator B3
TCORB
TCSR
TCR
TCORA
Channel 3
(TMR3)
Internal peripheral bus
TCCR TCCR
Control logic
TCORA: Time constant register A
TCNT: Timer counter
TCORB: Time constant register B
TCSR: Timer control/status register
TCR: Timer control register
TCCR: Timer counter control register
TCSTR: Timer counter start register
Event signal input
Event signal output