h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 57
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)
- Current page: 57 of 766
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• Stack Structure
Note: Normal mode is not available in this LSI.
When the program counter (PC) is pushed onto the stack in a subroutine call, and the PC,
condition-code register (CCR), and extended control register (EXR) are pushed onto the stack
in exception handling, they are stored as shown in figure 2.2. EXR is not pushed onto the stack
in interrupt control mode 0. For details, see section 4, Exception Handling.
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.
Figure 2.1 Exception Vector Table (Normal Mode)
(a) Subroutine Branch
H'0000
H'0001
H'0002
H'0003
H'0004
H'0005
H'0006
H'0007
H'0008
H'0009
H'000A
H'000B
Figure 2.2 Stack Structure in Normal Mode
(16 bits)
PC
Exception vector 1
Exception vector 2
Exception vector 3
Exception vector 4
Exception vector 5
Exception vector 6
(SP *
SP
2
)
Rev. 2.00 Dec. 05, 2005 Page 19 of 724
(b) Exception Handling
Exception
vector table
(16 bits)
EXR*
Reserved*
CCR
CCR*
PC
1
3
1
, *
3
REJ09B0200-0200
Section 2 CPU
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