h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 57

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

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 2.4. When
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. Ignored when returning.
(a) Subroutine Branch
Figure 2.4 Stack Structure in Advanced Mode
Reserved
(24 bits)
PC
(SP
SP
*
2
)
Rev. 3.00 Oct 04, 2005 page 17 of 598
(b) Exception Handling
(24 bits)
EXR*
Reserved*
CCR
PC
1
1
REJ09B0155-0300
*
3
Section 2 CPU