Exception Vector Table - Hitachi H8/3048 Hardware Manual

4.1.3 Exception Vector Table

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The exception sources are classified as shown in figure 4-1. Different vectors are assigned to
different exception sources. Table 4-2 lists the exception sources and their vector addresses.
• Reset
Exception
• Interrupts
sources
• Trap instruction
Table 4-2 Exception Vector Table
Exception Source
Reset
Reserved for system use
External interrupt (NMI)
Trap instruction (4 sources)
External interrupt IRQ
0
External interrupt IRQ
1
External interrupt IRQ
2
External interrupt IRQ
3
External interrupt IRQ
4
External interrupt IRQ
5
Reserved for system use
Internal interrupts *2
Notes: 1. Lower 16 bits of the address.
2. For the internal interrupt vectors, see section 5.3.3, Interrupt Vector Table.
External interrupts:
Internal interrupts:
Figure 4-1 Exception Sources
Vector Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
to
60
72
NMI, IRQ to IRQ
0 5
30 interrupts from on-chip
supporting modules
*1
Vector Address
H'0000 to H'0003
H'0004 to H'0007
H'0008 to H'000B
H'000C to H'000F
H'0010 to H'0013
H'0014 to H'0017
H'0018 to H'001B
H'001C to H'001F
H'0020 to H'0023
H'0024 to H'0027
H'0028 to H'002B
H'002C to H'002F
H'0030 to H'0033
H'0034 to H'0037
H'0038 to H'003B
H'003C to H'003F
H'0040 to H'0043
H'0044 to H'0047
H'0048 to H'004B
H'004C to H'004F
H'0050 to H'0053
to
H'00F0 to H'00F3