h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 60
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
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Section 2 CPU
Stack Structure: In advanced mode, 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 2.5. When
EXR is invalid, it is not pushed onto the stack. For details, see section 4, Exception Handling.
Rev. 5.00 Sep 22, 2005 page 34 of 1136
REJ09B0257-0500
SP
Notes: 1.
(a) Subroutine Branch
2.
3.
When EXR is not used it is not stored on the stack.
SP when EXR is not used.
Ignored when returning.
Reserved
(24 bits)
Figure 2.5 Stack Structure in Advanced Mode
PC
(SP
SP
*2
)
(b) Exception Handling
Reserved
(24 bits)
EXR
CCR
PC
*1
*1*3
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