Datasheet

Section 2 CPU
Page 50 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
H'0000
H'0001
H'0002
H'0003
H'0004
H'0005
H'0006
H'0007
H'0008
H'0009
H'000A
H'000B
Reset exception vector
(Reserved for system use)
(Reserved for system use)
Exception vector 1
Exception vector 2
Exception
vector table
Figure 2.1 Exception Vector Table (Normal Mode)
PC
(16 bits)
EXR
*
1
Reserved
*
1
*
3
CCR
CCR
*
3
PC
(16 bits)
SP
SP
(SP
*
2
1. When EXR is not used, it is not stored on the stack.
2. SP when EXR is not used.
3. lgnored when returning.
Notes:
(b) Exception Handling(a) Subroutine Branch
)
Figure 2.2 Stack Structure in Normal Mode