R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 124
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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Section 5 Exception Handling
5.5.2
When an address error occurs, address error exception handling starts after the bus cycle causing
the address error ends and current instruction execution completes. The address error exception
handling is as follows:
1. The contents of PC, CCR, and EXR are saved in the stack.
2. The interrupt mask bit is updated and the T bit is cleared to 0.
3. An exception handling vector table address corresponding to the address error is generated, the
Even though an address error occurs during a transition to an address error exception handling, the
address error is not accepted. This prevents an address error from occurring due to stacking for
exception handling, thereby preventing infinitive stacking.
If the SP contents are not a multiple of 2 when an address error exception handling occurs, the
stacked values (PC, CCR, and EXR) are undefined.
When an address error occurs, the following is performed to halt the DTC and DMAC.
• The ERR bit of DTCCR in the DTC is set to 1.
• The ERRF bit of DMDR_0 in the DMAC is set to 1.
• The DTE bits of DMDRs for all channels in the DMAC are cleared to 0 to forcibly terminate
Table 5.6 shows the state of CCR and EXR after execution of the address error exception
handling.
Table 5.6
[Legend]
1: Set to 1
0: Cleared to 0
: Retains the previous value.
Rev. 2.00 Sep. 16, 2009 Page 94 of 1036
REJ09B0414-0200
Interrupt Control Mode
0
2
start address of the exception service routine is loaded from the vector table to PC, and
program execution starts from that address.
transfer.
Address Error Exception Handling
States of CCR and EXR after Address Error Exception Handling
I
1
1
CCR
UI
0
T
EXR
I2 to I0
7
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