h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 85

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

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 and condition-code register (CCR) are pushed onto the stack in exception
handling, they are stored as shown in figure 2.4. The extended control register (EXR) is not
pushed onto the stack. For details, see section 4, Exception Handling.
Reserved
SP
CCR
SP
PC
PC
(24 bits)
(24 bits)
(a) Subroutine Branch
(b) Exception Handling
Figure 2.4 Stack Structure in Advanced Mode
Rev. 3.00 Mar 21, 2006 page 31 of 788
REJ09B0300-0300