M38503MXH Datasheet, PDF (18/86 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 8 Interrupt vector addresses and priority
Interrupt Source
Reset (Note 2)
INT0
Reserved
INT1
Priority
1
2
3
4
Vector Addresses (Note 1)
High
Low
FFFD16
FFFC16
FFFB16
FFF916
FFFA16
FFF816
FFF716
FFF616
Interrupt Request
Generating Conditions
At reset
At detection of either rising or
falling edge of INT0 input
Reserved
At detection of either rising or
falling edge of INT1 input
Remarks
Non-maskable
External interrupt
(active edge selectable)
External interrupt
(active edge selectable)
INT2
5
FFF516
FFF416
At detection of either rising or External interrupt
falling edge of INT2 input
(active edge selectable)
INT3/ Serial I/O2
6
Reserved
7
Timer X
8
Timer Y
9
Timer 1
10
Timer 2
11
Serial I/O1
12
reception
FFF316
FFF116
FFEF16
FFED16
FFEB16
FFE916
FFE716
FFF216
FFF016
FFEE16
FFEC16
FFEA16
FFE816
FFE616
At detection of either rising or
falling edge of INT3 input/ At
completion of serial I/O2 data
reception/transmission
Reserved
At timer X underflow
At timer Y underflow
At timer 1 underflow
At timer 2 underflow
At completion of serial I/O1 data
reception
External interrupt
(active edge selectable)
Switch by Serial I/O2/INT3
interrupt source bit
STP release timer underflow
Valid when serial I/O1 is selected
Serial I/O1
transmission
13
CNTR0
14
CNTR1
15
A-D converter
16
BRK instruction
17
FFE516
FFE316
FFE116
FFDF16
FFDD16
FFE416
FFE216
FFE016
FFDE16
FFDC16
At completion of serial I/O1
transfer shift or when transmis-
sion buffer is empty
At detection of either rising or
falling edge of CNTR0 input
At detection of either rising or
falling edge of CNTR1 input
At completion of A-D conversion
At BRK instruction execution
Valid when serial I/O1 is selected
External interrupt
(active edge selectable)
External interrupt
(active edge selectable)
Non-maskable software interrupt
Notes 1: Vector addresses contain interrupt jump destination addresses.
2: Reset function in the same way as an interrupt with the highest priority.
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