R01UH0823EJ0100 Rev.1.00
Page 728 of 1823
Jul 31, 2019
RX23W Group
26. 8-Bit Timer (TMR)
Figure 26.1
Block Diagram of TMR (Unit 0)
Interrupt signal
Clock select
Compare match A1
Compare match A0
Comparator A1
Comparator A0
TCNT
TCNT
Overflow 0
Overflow 1
Counter clear 0
Counter clear 1
Compare match B1
Compare match B0
Comparator B0
Comparator B1
TCORB
TCORB
TCSR
TCSR
TCR
TCSTR
TCORA
TCORA
PCLK/8
PCLK/2
PCLK/32
PCLK/64
PCLK/1024
PCLK/8192
Count clock 1
Count clock 0
Channel 0
(TMR0)
Channel 1
(TMR1)
CMIA0
CMIA1
CMIB0
CMIB1
OVI0
OVI1
TMCI0
TMCI1
TMRI1
Internal clock
Int
e
rnal
p
e
riph
e
ral
bu
s
PCLK
TCR
TCCR
TCCR
Control logic
TMO0
TMO1
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
To SCI
Event signal input
Event signal output