h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 58
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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Section 2 CPU
2.2.2
• Address Space
• Extended Registers (En)
• Instruction Set
• Exception Vector Table and Memory Indirect Branch Addresses
Rev. 2.00 Dec. 05, 2005 Page 20 of 724
REJ09B0200-0200
Linear access to a 16-Mbyte maximum address space is provided.
The extended registers (E0 to E7) can be used as 16-bit registers, or as the upper 16-bit
segments of 32-bit registers or address registers.
All instructions and addressing modes can be used.
In advanced mode, the top area starting at H'00000000 is allocated to the exception vector
table in units of 32 bits. In each 32 bits, the upper 8 bits are ignored and a branch address is
stored in the lower 24 bits (figure 2.3). For details of the exception vector table, see section 4,
Exception Handling.
Advanced Mode
H'00000000
H'00000003
H'00000004
H'00000007
H'00000008
H'0000000B
H'0000000C
H'00000010
Figure 2.3 Exception Vector Table (Advanced Mode)
Exception vector 1
Exception vector 2
Exception vector 3
Exception vector 4
Exception vector 5
Reserved
Reserved
Reserved
Reserved
Reserved
Exception vector table
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