m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 84

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

the start address of each interrupt routine to the vector addresses listed in these tables.
6.2 Interrupt sources
Tables 6.2.1 and 6.2.2 list the interrupt sources and the interrupt vector addresses. When programming, set
Table 6.2.1 Interrupt sources and interrupt vector addresses (1)
Note: The BRK instruction and the DBC interrupt are used exclusively for a debugger.
Reset
Zero division
BRK instruction (Note)
DBC (Note)
Watchdog timer
Reserved area
INT
INT
INT
Timer A0
Timer A1
Timer A2
Timer A3
Timer A4
Timer B0
Timer B1
Timer B2
UART0 receive
UART0 transmit
UART1 receive
UART1 transmit
A-D conversion
INT
INT
Reserved area
Reserved area
Address matching detection
Reserved area
INT
INT
INT
An interrupt which is certain to be accepted when its request occurs. These interrupts do not have their
interrupt control registers and are not affected by the interrupt disable flag (I).
Non-maskable interrupt (including zero division, watchdog timer, and address matching detection interrupts):
Maskable interrupt: An interrupt of which request’s acceptance can be disabled by software.
Interrupt source
0
1
2
3
4
5
6
7
Interrupt vector addresses
High-order
address
FFED
FFDD
FFDB
FFCD
FFCB
FFFD
FFFB
FFEF
FFEB
FFDF
FFD9
FFD7
FFD5
FFD3
FFD1
FFCF
FFC9
FFC7
FFC5
FFC3
FFFF
FFF9
FFF7
FFF5
FFF3
FFF1
FFE9
FFE7
FFE5
FFE3
FFE1
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Low-order
address
FFEC
FFDE
FFDC
FFDA
FFCE
FFCC
FFCA
FFFE
FFFC
FFFA
FFEE
FFEA
FFD8
FFD6
FFD4
FFD2
FFD0
FFC8
FFC6
FFC4
FFC2
FFF8
FFF6
FFF4
FFF2
FFF0
FFE8
FFE6
FFE4
FFE2
FFE0
7905 Group User’s Manual Rev.1.0
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Non-maskable
Non-maskable software interrupt
Do not use.
Non-maskable internal interrupt
Do not use.
Maskable external interrupts
Maskable internal interrupts
Maskable internal interrupts
Maskable internal interrupts
Maskable internal interrupt
Maskable external interrupts
Do not use.
Non-maskable software interrupt
Do not use.
Maskable external interrupts
Remarks
6.2 Interrupt sources
3. RESET
7900 Series Software Manual
14. WATCHDOG TIMER
6.10 External interrupts
7. TIMER A
8. TIMER B
11. SERIAL I/O
12. A-D CONVERTER
6.10 External interrupts
17. DEBUG FUNCTION
6.10 External interrupts
INTERRUPTS
Reference
6-3