Advanced Mode; Figure 2.1 Exception Vector Table (Normal Mode); Figure 2.2 Stack Structure In Normal Mode - Hitachi H8S/2628 Hardware Manual

SP
Notes: 1. When EXR is not used it is not stored on the stack.
2. SP when EXR is not used.
3. lgnored when returning.
2.2.2

Advanced Mode

• Address Space
Linear access to a 16-Mbyte maximum address space is provided.
• Extended Registers (En)
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.
• Instruction Set
All instructions and addressing modes can be used.
H'0000
Exception vector 1
H'0001
H'0002
Exception vector 2
H'0003
H'0004
Exception vector 3
H'0005
H'0006
Exception vector 4
H'0007
H'0008
Exception vector 5
H'0009
H'000A
Exception vector 6
H'000B

Figure 2.1 Exception Vector Table (Normal Mode)

PC
(16 bits)
(a) Subroutine Branch

Figure 2.2 Stack Structure in Normal Mode

Exception
vector table
SP EXR*
Reserved*
2
(SP *
) CCR
CCR*
PC
(16 bits)
(b) Exception Handling
Rev. 1.0, 09/02, page 13 of 568
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