Datasheet
Section 3 Exception Handling 
Rev. 3.00 Mar. 15, 2006 Page 44 of 526 
REJ09B0060-0300   
3.1  Exception Sources and Vector Address 
Table 3.1 shows the vector addresses and priority of each exception handling. When more than 
one interrupt is requested, handling is performed from the interrupt with the highest priority. 
Table 3.1  Exception Sources and Vector Address 
Relative Module 
Exception Sources 
Vector 
Number 
Vector Address 
Priority 
RES pin 
Watchdog timer 
Reset 0 H'000000 to 
H'000003 
High 
  Reserved for system use  1 to 6  H'000004 to 
H'00001B 
External interrupt 
pin 
NMI 7 H'00001C to 
H'00001F 
CPU  Trap instruction #0  8  H'000020 to 
H'000023 
  Trap instruction #1  9  H'000024 to 
H'000027 
  Trap instruction #2  10  H'000028 to 
H'00002B 
  Trap instruction #3  11  H'00002C to 
H'00002F 
Address break  Break conditions satisfied  12  H'000030 to 
H'000033 
CPU  Direct transition by executing the 
SLEEP instruction 
13 H'000034 to 
H'000037 
External interrupt 
pin 
IRQ0 
Low-voltage detection interrupt* 
14 H'000038 to 
H'00003B 
 IRQ1  15 H'00003C to 
H'00003F 
 IRQ2  16 H'000040 to 
H'000043 
 IRQ3  17 H'000044 to 
H'000047 
 WKP  18 H'000048 to 
H'00004B 
Low 










