Motorola 24-Bit Digital Signal Processor, DSP56000 manual Processing States Normal Processing State

SECTION CONTENTS

SECTION 7.1 PROCESSING STATES	3
SECTION 7.2 NORMAL PROCESSING STATE	3
7.2.1 Instruction Pipeline	3
7.2.2 Summary of Pipeline-Related Restrictions	8
SECTION 7.3 EXCEPTION PROCESSING STATE	10
7.3.1 Interrupt Types	12
7.3.2 Interrupt Priority Structure	12
7.3.2.1 Interrupt Priority Levels	14
7.3.2.2 Exception Priorities Within an IPL	15
7.3.3 Interrupt Sources	16
7.3.3.1 Hardware Interrupt Sources	16
7.3.3.2 Software Interrupt Sources	17
7.3.3.3 Other Interrupt Sources	22
7.3.4 Interrupt Arbitration	24
7.3.5 Interrupt Instruction Fetch	24
7.3.6 Instructions Preceding the Interrupt Instruction Fetch	25
7.3.7 Interrupt Instruction Execution	26
SECTION 7.4 RESET PROCESSING STATE	33
SECTION 7.5 WAIT PROCESSING STATE	36
SECTION 7.6 STOP PROCESSING STATE	37

7 - 2 PROCESSING STATES MOTOROLA