M16C28 Datasheet, PDF (101/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
9. Interrupts
Priority level of each interrupt
INT1
Timer B2
Level 0 (initial value)
Timer B0
Timer A3
Timer A1
IC/OC interrupt 1, I²C bus interface
INT3
INT2
INT0
Timer B1
Timer A4
Timer A2
IC/OC base timer, SCL/SDA
IC/OC interrupt 0
UART1 reception
UART0 reception
UART2 reception, ACK2
A/D conversion
DMA1
UART 2 bus collision
SI/O4, INT5
Timer A0
UART1 transmission
UART0 transmission
UART2 transmission, NACK2
Key input interrupt
DMA0
SI/O3, INT4
IPL
I flag
Address match
Watchdog timer
Oscillation stop and
re-oscillation detection
Low voltage detection
DBC
NMI
Highest
Priority of peripheral function interrupts
(if priority levels are same)
Lowest
Interrupt request level resolution output to clock
generation circuit (Figure 7.1)
Interrupt
request
accepted
Figure 9.10 Interrupts Priority Select Circuit
Rev. 2.00 Jan. 31, 2007 ^{page 81} of 385
REJ09B0047-0200