R01UH0822EJ0100 Rev.1.00
Page 528 of 1041
Jul 31, 2019
RX13T Group
20. Port Output Enable 3 (POE3C)
Figure 20.1
POE Block Diagram
Output-level
comparison circuit
Output-level
comparison circuit
Output-level
comparison circuit
High-impedance request signal or
interrupt request signal (OEI1) for
the MTU complementary PWM
output pins (MTU3 and MTU4)
Falling edge detection
circuit
Low-level sampling
circuit
Falling edge detection
circuit
Low-level sampling
circuit
Falling edge detection
circuit
Low-level sampling
circuit
Input signals for use in
control of complementary
PWM output from the MTU
pins (MTU3 and MTU4)
H
igh
-im
p
ed
a
nce
re
q
ue
st/i
nt
err
up
t req
ue
st
gen
er
at
ing
ci
rc
uit
H
igh
-im
ped
a
nc
e
re
qu
es
t/i
nt
er
ru
pt
req
ue
st
ge
ne
ra
ting
c
irc
ui
t
Hi
gh
-im
p
ed
an
ce
re
qu
es
t/i
nte
rru
pt
r
eque
st
g
e
nera
tin
g
ci
rc
ui
t
POECR1 to
POECR5
SPOER
OC
S
R
1
MTIOC3B
MTIOC3D
MTIOC4A
MTIOC4C
MTIOC4B
MTIOC4D
PCLK/8
PCLK/16
PCLK/128
High-impedance request signal or
interrupt request signal (OEI3) for
MTU0 pin
Interrupt request signal (OEI4)
Main clock oscillation stop detection signal
Input-level detection circuit
Input-level detection circuit
Input-level detection circuit
POE0#
I/O register setting
Function select
register setting
1
POE8#
I/O register setting
Function select
register setting
1
POE10#
I/O register setting
Function select
register setting
1
MTU (MTU3 and MTU4)
input signal
MTU (MTU0) input signal
ALR1
Comparator output signal
Divider
PCLK
IC
S
R
1
IC
S
R
3
IC
S
R
4
IC
S
R
6
POECMPSEL
POECMPFR