Panasonic MN103S

Chapter 8
8-bit Timer
VIII - 40 Cascade Connection
8.7 Cascade Connection
8.7.1 Operation
Cascading timers forms a 16-bit timer, 24-bit timer and 32-bit timer.
■ Cascade Connection Operation (When using timers as a 16-bit timer)
Table:8.7.1 shows timer functions at 16-bit timer cascade connection.
Table:8.7.1 Cascade Connection Operation (When using timers as a 16-bit timer)
16-bit timer Timer 1 + timer
0
Timer 2 + timer
1
Timer 3 + timer
2
Timer 5 + timer
4
Timer 6 + timer
5
Timer 7 + timer
6
Interrupt source TM1IRQ TM2IRQ TM3IRQ TM5IRQ TM6IRQ TM7IRQ
Interval timerOOOOOO
Timer output Timer 1 Timer 2 Timer 3 Timer 5 Timer 6 Timer 7
Cascade connection set-
ting register
TM1MD TM2MD TM3MD TM5MD TM6MD TM7MD
Count clock source set-
ting register
TM0MD TM1MD TM2MD TM4MD TM5MD TM6MD
Count value setting regis-
ter
TM1BR+TM0B
R
TM2BR+TM1B
R
TM3BR+TM2B
R
TM5BR+TM4B
R
TM6BR+TM5B
R
TM7BR+TM6B
R
16-bit timer Timer 15 + timer
14
Timer 16 + timer
15
Timer 17 + timer
16
Interrupt source TM15IRQ TM16IRQ TM17IRQ
Interval timer O O O
Timer output Timer 15 Timer 16 Timer 17
Cascade connection set-
ting register
TM15MD TM16MD TM17MD
Count clock source set-
ting register
TM14MD TM15MD TM16MD
Count value setting regis-
ter
TM15BR+TM14
BR
TM16BR+TM15
BR
TM17BR+TM16
BR