R0K561668S000BE Renesas Electronics America, R0K561668S000BE Datasheet - Page 25

• Manufacturer Part Number: R0K561668S000BE
• Description: KIT STARTER FOR H8SX/1668
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of R0K561668S000BE

• For Use With/related Products: H8SX/1668
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Contents: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

• Stack Structure
1.2.4
The program area is extended to 4 Gbytes as compared with that in advanced mode.
• Address Space
• Extended Registers (En)
• Instruction Set
• Exception Vector Table and Memory Indirect Branch Addresses
The stack structure of PC at a subroutine branch and that of PC and CCR at an exception
handling are shown in figure 1.5. The PC contents are saved or restored in 24-bit units.
The maximum address space of 4 Gbytes can be linearly accessed.
The extended registers (E0 to E7) can be used as 16-bit registers or as the upper 16-bit
segments of 32-bit registers or address registers.
All instructions and addressing modes can be used.
In maximum mode, the top area starting at H'00000000 is allocated to the exception vector
table. One branch address is stored per 32 bits. The structure of the exception vector table is
shown in figure 1.6.
Maximum Mode
SP
Notes: 1.
Figure 1.5 Stack Structure (Middle and Advanced Modes)
2.
3.
(a) Subroutine Branch
When EXR is not used it is not stored on the stack.
SP when EXR is not used.
Ignored on return.
Reserved
(24 bits)
PC
(SP
SP
*
2
)
(b) Exception Handling
Rev. 4.00 Sep. 18, 2008 Page 7 of 914
Reserved*
(24 bits)
EXR*
CCR
PC
1
1
, *
3
REJ09B0102-0400
Section 1 CPU