Reserved
SP
PC
(24 bits)
(a) Subroutine Branch
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.
Figure 2.4 Stack Structure in Advanced Mode
SP
EXR*
Reserved*
2
*
(SP
)
CCR
PC
(24 bits)
(b) Exception Handling
Rev. 2.00, 05/03, page 27 of 820
1
1
3
*