Chapter 3 Cpu; Table 3.1.1 Vector Table - Fujitsu F2MC-8L MB89620 Series Hardware Manual

3.1 Memory Space
3.1.1 Special Areas
In addition to the I/O area, the special purpose areas in the memory space include the
general-purpose register area and the vector table area.
n General-purpose Register Area (Addresses: 0100
• Provides auxiliary registers for 8-bit arithmetic operation and transfer instructions.
• Allocated to a region of the RAM area. Can also be used as normal RAM.
• Using the area as general-purpose registers enables high-speed access by general-purpose
register addressing using short instructions.
•
The area available for general-purpose registers is limited on some products if internal RAM
only is used.
Note: The MB89623, MB89T623 or MB89V623 allow the general-purpose register area to be expanded
into the external area (up to 32 banks) by assigning the 0180
external bus mode.
Reference: See Section 3.2.2, "Register Bank Pointer (RP)" and Section 3.3, "General-purpose Registers"
n Vector Table Area (Addresses: FFC0
• Used as the vector table for the vector call instruction, interrupts, and resets.
• The vector table is allocated at the top of the ROM area. The start address of the
corresponding processing routine is set as data at each vector table address.
Table 3.1.1 lists the vector table addresses referenced by the vector call instruction, interrupts,
and resets.
Reference: See Section 3.4, "Interrupts," Section 3.5, "Resets," and "(6) CALLV #vct" in Appendix B.2,

Table 3.1.1 Vector Table

Vector call
instruction
CALLV #0
CALLV #1
CALLV #2
CALLV #3
CALLV #4
CALLV #5
CALLV #6
CALLV #7
34

CHAPTER 3 CPU

for details.
See Section 3.8,"Memory Access Modes" for details on external bus mode.
to FFFF
H
"Special Instructions" for details.
Vector table address
Upper
FFC0 FFC1
H
FFC2 FFC3
H
FFC4 FFC5
H
FFC6 FFC7
H
FFC8 FFC9
H
FFCA FFCB
H
FFCC FFCD
H
FFCE FFCF
H
*: FFFC
to 01FF )
H H
)
H
Interrupts
Lower
IRQB
H
IRQA
H
IRQ9
H
IRQ8
H
IRQ7
H
IRQ6
H
IRQ5
H
IRQ4
H
IRQ3
IRQ2
IRQ1
IRQ0
Mode data
is not available.
H
(Set FF .)
H
Reset vector
to 01FF to the external RAM via
H H
Vector table address
Upper
FFE4
H
FFE6
H
FFE8
H
FFEA
H
FFEC
H
FFEE
H
FFE0
H
FFE2
H
FFE4
H
FFE6
H
FFE8
H
FFEA
H
— *
FFFE
H
MB89620 series
Lower
FFE5
H
FFE7
H
FFE9
H
FFEB
H
FFED
H
FFEF
H
FFF1
H
FFF3
H
FFF5
H
FFF7
H
FFF9
H
FFFB
H
FFFD
H
FFFF
H