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26
m
PD780973(A)
6. INTERRUPT FUNCTIONS
There are twenty-one of interrupt functions of three different kinds, as shown below.
Non-maskable interrupt : 1
Maskable interrupt
: 19
Software interrupt
: 1
Table 6-1. Interrupt Source List
Interrupt
Default
Interrupt Source
Internal/
Type
Priority
Note 1
Name
Trigger
External
Non-
maskable
—
INTWDT
Watchdog timer overflow
(with non-maskable interrupt selected)
Internal
0004H
(A)
Maskable
0
INTWDT
Watchdog timer overflow (with interval timer selected)
(B)
1
INTAD
End of A/D conversion
0006H
2
INTOVF
16-bit timer overflow
0008H
3
INTTM00
TI00 valid edge detection
000AH
(C)
4
INTTM01
TI01 valid edge detection
000CH
5
INTTM02
TI02 valid edge detection
000EH
6
INTP0
Pin input edge detection
External
0010H
(D)
7
INTP1
0012H
8
INTP2
0014H
9
INTCSI
End of serial interface SIO3 transfer
Internal
0016H
(B)
10
INTSER
Generation of serial interface UART receive error
0018H
11
INTSR
End of serial interface UART reception
001AH
12
INTST
End of serial interface UART transmission
001CH
13
INTTM1
Generation of 8-bit timer register and capture
register (CR1) match signal
001EH
14
INTTM2
Generation of 8-bit timer register and capture
register (CR2) match signal
0020H
15
INTTM3
Generation of 8-bit timer register and capture
register (CR3) match signal
0022H
16
INTWE
End of EEPROM write
0024H
17
INTWTI
Watch timer overflow
0026H
18
INTWT
Reference time interval signal from watch timer
0028H
Software
—
BRK
BRK instruction execution
—
003EH
(E)
Notes 1.
The default priority is the priority applicable when two or more maskable interrupt requests are generated
simultaneously. 0 is the highest priority, and 18 is the lowest.
Basic configuration types (A) to (E) correspond to (A) to (E) in Figure 6-1.
2.
Vector
Table
Address
Basic
Configuration
Type
Note 2