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Chapter 6 8-bit Timers
VI - 4
Overview
Timer 4 and 5 Block Diagram
Figure 6-1-2 Timer 4 and 5 Block Diagram
IRQ4=H: Count Stop
0
7
TM4CK0
TM4CK1
TM4CK2
TM4PWM
TM4EN
TM4MOD
TM4MD
P24/IRQ4
8-bit counter
TM4BC
RST
Compare register
TM4OC
Match
Read/Write
Read
OVF
TM4IRQ
RST input
R
S
Q
1/2
R
M
U
X
TM4IO output / PWM4
Serial transfer clock output
M
U
X
fx
TM4IO
input
M
U
X
Synchroni-
zation
fosc
tm4psc
Prescaler
block
IRQ3=H: Count Stop
0
7
TM5CK0
TM5CK1
TM5CK2
TM5PWM
TM5EN
TM5MOD
TM5MD
P23/IRQ3
8-bit counter
TM5BC
RST
Compare register
TM5OC
Match
Read/Write
Read
OVF
TM5IRQ
RST input
R
S
Q
1/2
R
M
U
X
TM5IO output / PWM5
Serial transfer clock output
M
U
X
fx
TM5IO
input
M
U
X
Synchroni-
zation
fosc
tm5psc
Prescaler
block
-
-
-
-
Remote control carrier output