M16C26A Datasheet, PDF (92/352 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/26A Group (M16C/26A, M16C/26B, M16C/26T)
9. Interrupt
Priority level of each interrupt
INT1
Timer B2
Timer B0
Timer A3
Timer A1
INT3
INT2
INT0
Timer B1
Timer A4
Timer A2
UART1 reception
UART0 reception
UART2 reception, ACK2
A/D conversion
DMA1
UART 2 bus collision
INT5
Timer A0
UART1 transmission
UART0 transmission
UART2 transmission, NACK2
Key input interrupt
DMA0
INT4
IPL
I flag
Address match
Watchdog timer
Oscillation stop and
re-oscillation detection
Voltage down detection
DBC
NMI
Level 0 (initial value)
Highest
Priority of peripheral function interrupts
(if priority levels are same)
Lowest
Interrupt request level resolution output to clock
generating circuit (Fig.7.1.)
Interrupt
request
accepted
Figure 9.5.1.1. Interrupts Priority Select Circuit
Rev. 2.00 Feb.15, 2007 ^{page 75} of 329
REJ09B0202-0200