17
MITSUBISHI MICROCOMPUTERS
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table. 6. Interrupt vector addresses and priority
Note1 : Vector addresses contain interrupt jump destination addresses.
2 : Reset function in the same way as an interrupt with the highest priority.
Vector Addresses (Note 1)
Interrupt Request
Interrupt Source Priority
Remarks
High
Low
Generating Conditions
Reset (Note 2)
1
FFFD16
FFFC16
At reset
Non-maskable
INT0
2
FFFB16
FFFA16
At detection of either rising or falling edge of
External interrupt
INT0 input
(active edge selectable)
INT1
3
FFF916
FFF816
At detection of either rising or falling edge of
External interrupt
INT1 input
(active edge selectable)
Serial I/O1
4
FFF716
FFF616
At completion of serial I/O1 data receive
Valid when serial I/O1 is selected
receive
Serial I/O1
5
FFF516
FFF416
At completion of serial I/O1 data transmit
Valid when serial I/O1 is selected
transmit
shift or when transmit buffer is empty
Timer X
6
FFF316
FFF216
At timer X underflow
Timer Y
7
FFF116
FFF016
At timer Y underflow
INT3
8
FFEF16
FFEE16
At detection of either rising or falling edge of
External interrupt
INT3 input
(active edge selectable)
Valid when INT3 interrupt is selected
Timer 2
At timer 2 underflow
Valid when timer 2 interrupt is selected
INT4
9
FFED16
FFEC16
At detection of either rising or falling edge of
External interrupt
INT4 input
(active edge selectable)
Valid when INT4 interrupt is selected
Timer 3
At timer 3 underflow
Valid when timer 3 interrupt is selected
CNTR0
10
FFEB16
FFEA16
At detection of either rising or falling edge of
External interrupt
CNTR0 input
(active edge selectable)
CNTR1
11
FFE916
FFE816
At detection of either rising or falling edge of
External interrupt
CNTR1 input
(active edge selectable)
Serial I/O2
12
FFE716
FFE616
At completion of serial I/O2 data transmit
Valid when serial I/O2 is selected
and receive
INT2
13
FFE516
FFE416
At detection of either rising or falling edge of
External interrupt
INT2 input
(active edge selectable)
Valid when INT2 interrupt is selected
Timer 1
At timer 1 underflow
Valid when timer 1 interrupt is selected
Timer A
14
FFE316
FFE216
At timer A underflow
Timer B
15
FFE116
FFE016
At timer B underflow
A-D conversion
16
FFDF16
FFDE16
At completion of A-D conversion
Valid when A-D interrupt is selected
ADT
At falling edge of ADT input
External interrupt(valid at falling)
Valid when ADT interrupt is selected and
when A-D external trigger is selected.
BRK instruction
17
FFDD16
FFDC16
At BRK instruction execution
Non-maskable software interrupt