h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 86

• Manufacturer Part Number: h8s-2138
• 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 2.5. The extended control register (EXR) is
not pushed onto the stack. For details, see section 4, Exception Handling.
SP
CCR
SP
Reserved
PC
PC
(24 bits)
(24 bits)
(a) Subroutine Branch
(b) Exception Handling
Figure 2.5 Stack Structure in Advanced Mode
Rev. 4.00 Jun 06, 2006 page 32 of 1004
REJ09B0301-0400