R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 131
R0K561622S000BE
Manufacturer Part Number
R0K561622S000BE
Description
KIT STARTER FOR H8SX/1622
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K561622S000BE
Contents
Board, Cables, CD, Debugger, Power Supply
Silicon Manufacturer
Renesas
Features
Coding And Debugging, E10A Emulator, RS232 Serial Connection
Kit Contents
Board
Silicon Family Name
H8SX/1622F
Silicon Core Number
R5F61622N50LGV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
H8SX/1622
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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5.9
When performing stack-manipulating access, this LSI assumes that the lowest address bit is 0. The
stack should always be accessed by a word transfer instruction or a longword transfer instruction,
and the value of the stack pointer (SP: ER7) should always be kept even. Use the following
instructions to save registers:
• PUSH.W Rn (or MOV.W Rn, @-SP)
• PUSH.L ERn (or MOV.L ERn, @-SP)
Use the following instructions to restore registers:
• POP.W Rn (or MOV.W @SP+, Rn)
• POP.L ERn (or MOV.L @SP+, ERn)
Performing stack manipulation while SP is set to an odd value leads to an address error. Figure 5.4
shows an example of operation when the SP value is odd.
SP
[Legend]
CCR:
PC:
R1L:
SP:
Note: This diagram illustrates an example in which the interrupt control mode is 0, in advanced mode.
Usage Note
SP set to H'FFFEFF
Condition code register
Program counter
General register R1L
Stack pointer
TRAP instruction executed
Figure 5.4 Operation when SP Value is Odd
(Address error occurred)
SP
Data saved above SP
CCR
PC
MOV.B R1L, @-ER7 executed
SP
Rev. 2.00 Sep. 16, 2009 Page 101 of 1036
Contents of CCR lost
Section 5 Exception Handling
R1L
PC
REJ09B0414-0200
H'FFFEFA
H'FFFEFB
H'FFFEFC
H'FFFEFD
H'FFFEFE
H'FFFEFF
Address
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