EXCEPTION PROCESSING STATE (INTERRUPT PROCESSING)
MOTOROLA
PROCESSING STATES
7 - 19
I1
I2
MAIN
PROGRAM
FETCHES
II (NOP)
n6
NO FETCH
NO FETCH
INFINITE
LOOP
FAST INTERRUPT
SERVICE ROUTINE
FETCHES
Figure 7-4 Illegal Instruction Interrupt Serviced by a Fast Interrupt
INTERRUPT CONTROL CYCLE 1
i
INTERRUPT CONTROL CYCLE 2
i
FETCH
n1
n2
n3
n4
n5
n6
—
—
ii1
ii2
n5
DECODE
n1
n2
n3
n4
II
—
—
—
ii1
ii2
II
EXECUTE
n1
n2
n3
n4
NOP
—
—
—
ii1
ii2
NOP
INSTRUCTION CYCLE COUNT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
i
= INTERRUPT
ii
= INTERRUPT INSTRUCTION WORD
II
= ILLEGAL INSTRUCTION
n
= NORMAL INSTRUCTION WORD
ILLEGAL INSTRUCTION INTERRUPT
RECOGNIZED AS PENDING
ILLEGAL INSTRUCTION INTERRUPT
RECOGNIZED AS PENDING
(a) Instruction Fetches from Memory
(b) Program Controller Pipeline
Summary of Contents for DSP56K
Page 12: ...xii LIST of TABLES MOTOROLA List of Tables Continued Table Page Number Title Number ...
Page 13: ...MOTOROLA DSP56K FAMILY INTRODUCTION 1 1 SECTION 1 DSP56K FAMILY INTRODUCTION ...
Page 31: ...MOTOROLA DATA ARITHMETIC LOGIC UNIT 3 1 SECTION 3 DATA ARITHMETIC LOGIC UNIT ...
Page 50: ...DATA ALU SUMMARY 3 20 DATA ARITHMETIC LOGIC UNIT MOTOROLA ...
Page 51: ...MOTOROLA ADDRESS GENERATION UNIT 4 1 SECTION 4 ADDRESS GENERATION UNIT ...
Page 77: ...MOTOROLA PROGRAM CONTROL UNIT 5 1 SECTION 5 PROGRAM CONTROL UNIT ...
Page 124: ...INSTRUCTION GROUPS 6 30 INSTRUCTION SET INTRODUCTION MOTOROLA ...
Page 125: ...MOTOROLA PROCESSING STATES 7 1 SECTION 7 PROCESSING STATES STOP WAIT EXCEPTION NORMAL RESET ...
Page 167: ...STOP PROCESSING STATE MOTOROLA PROCESSING STATES 7 43 ...
Page 168: ...STOP PROCESSING STATE 7 44 PROCESSING STATES MOTOROLA ...
Page 169: ...MOTOROLA PORT A 8 1 SECTION 8 PORT A ...
Page 176: ...PORT A INTERFACE 8 8 PORT A MOTOROLA ...
Page 177: ...MOTOROLA PLL CLOCK OSCILLATOR 9 1 SECTION 9 PLL CLOCK OSCILLATOR x x d Φ VCO ...
Page 191: ...10 2 ON CHIP EMULATION OnCE MOTOROLA SECTION 10 ON CHIP EMULATION OnCE ...
Page 218: ...USING THE OnCE MOTOROLA ON CHIP EMULATION OnCE 10 29 ...
Page 604: ...INSTRUCTION ENCODING A 338 INSTRUCTION SET DETAILS MOTOROLA ...
Page 605: ...MOTOROLA BENCHMARK PROGRAMS B 1 APPENDIX B BENCHMARK PROGRAMS T T T T T P1 P3 P2 P4 T T T ...
Page 609: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 5 ...
Page 611: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 7 ...
Page 613: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 9 ...
Page 615: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 11 ...