Analog Devices ADSP-BF53x Blackfin Reference page 11

Additional Usability Issues ................................................ 4-56
Allocating the System Stack ........................................... 4-56
Latency in Servicing Events ................................................... 4-56
Hardware Errors and Exception Handling .................................... 4-58
SEQSTAT Register ................................................................ 4-59
Hardware Error Interrupt ...................................................... 4-59
Exceptions ............................................................................. 4-61
Exceptions While Executing an Exception Handler ............ 4-66
Exceptions and the Pipeline ............................................... 4-67
Deferring Exception Processing ......................................... 4-68
Example Code for an Exception Handler ........................... 4-68
Example Code for an Exception Routine ........................... 4-70
ADDRESS ARITHMETIC UNIT
Addressing With the AAU ............................................................. 5-5
Pointer Register File ................................................................ 5-6
Frame and Stack Pointers .................................................... 5-6
DAG Register Set .................................................................... 5-8
Indexed Addressing With Index & Pointer Registers ................. 5-8
Loads With Zero or Sign Extension ..................................... 5-9
Indexed Addressing With Immediate Offset ....................... 5-10
Auto-increment and Auto-decrement Addressing .................... 5-10
Pre-modify Stack Pointer Addressing ...................................... 5-11
Post-modify Addressing ......................................................... 5-11
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
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