Datasheet

M16C/6S Group Interrupts
R01DS0201EJ0502 Rev.5.02 page 60 of 203
Dec 25, 2012
Figure 1.9.9. Interrupts Priority Select Circuit
Timer A3
Timer A1
Timer A4
Timer A2
UART1 reception, ACK1
UART0 reception, ACK0
UART2 reception, ACK2
DMA1
UART 2 bus collision
Timer A0
UART1 transmission, NACK1
UART0 transmission, NACK0
UART2 transmission, NACK2
DMA0
IPL
I flag
INT1
INT2
INT0
Watchdog timer
DBC
Interrupt
request
accepted
Level 0 (initial value)
Priority level of each interrupt
High
Low
Priority of peripheral function interrupts
(if priority levels are same)
UART1 bus collision
INT3
UART0 bus collision
SI/O4
SI/O3
Address match
Interrupt request level resolution output
To clock generation circuit (Figure 1.7.1)
Oscillation stop and
re-oscillation detection
Power supply down detection