SECTION CONTENTS
5 - 2
PROGRAM CONTROL UNIT
MOTOROLA
SECTION 5.1 PROGRAM CONTROL UNIT .................................................... 3
SECTION 5.2 OVERVIEW ................................................................................ 3
SECTION 5.3 PROGRAM CONTROL UNIT (PCU) ARCHITECTURE ............ 5
5.3.1 Program Decode Controller ................................................................ 5
5.3.2 Program Address Generator (PAG) ................................................... 5
5.3.3 Program Interrupt Controller ............................................................... 6
5.3.4 Instruction Pipeline Format ................................................................. 6
SECTION 5.4 PROGRAMMING MODEL ......................................................... 8
5.4.1 Program Counter ................................................................................ 8
5.4.2 Status Register ................................................................................... 9
5.4.2.1 Carry (Bit 0) .................................................................................10
5.4.2.2 Overflow (Bit 1) ...........................................................................10
5.4.2.3 Zero (Bit 2) ..................................................................................10
5.4.2.4 Negative (Bit 3) ...........................................................................10
5.4.2.5 Unnormalized (Bit 4) ...................................................................10
5.4.2.6 Extension (Bit 5) ..........................................................................11
5.4.2.7 Limit (Bit 6) ..................................................................................11
5.4.2.8 Scaling Bit (Bit 7) .........................................................................11
5.4.2.9 Interrupt Masks (Bits 8 and 9) .....................................................12
5.4.2.10 Scaling Mode (Bits 10 and 11) ..................................................12
5.4.2.11 Reserved Status (Bit 12) ...........................................................13
5.4.2.12 Trace Mode (Bit 13) ..................................................................13
5.4.2.13 Double Precision Multiply Mode (Bit 14) ...................................13
5.4.2.14 Loop Flag (Bit 15) ......................................................................13
5.4.3 Operating Mode Register ................................................................... 14
5.4.4 System Stack ...................................................................................... 14
5.4.5 Stack Pointer Register ........................................................................ 15
5.4.5.1 Stack Pointer (Bits 0–3) ..............................................................16
5.4.5.2 Stack Error Flag (Bit 4) ................................................................16
5.4.5.3 Underflow Flag (Bit 5) .................................................................16
5.4.5.4 Reserved Stack Pointer Registration (Bits 6–23) ........................17
5.4.6 Loop Address Register ....................................................................... 17
5.4.7 Loop Counter Register ....................................................................... 17
5.4.8 Programming Model Summary ........................................................... 17
Содержание DSP56K
Страница 12: ...xii LIST of TABLES MOTOROLA List of Tables Continued Table Page Number Title Number ...
Страница 13: ...MOTOROLA DSP56K FAMILY INTRODUCTION 1 1 SECTION 1 DSP56K FAMILY INTRODUCTION ...
Страница 25: ...MOTOROLA DSP56K CENTRAL ARCHITECTURE OVERVIEW 2 1 SECTION 2 DSP56K CENTRAL ARCHITECTURE OVERVIEW ...
Страница 31: ...MOTOROLA DATA ARITHMETIC LOGIC UNIT 3 1 SECTION 3 DATA ARITHMETIC LOGIC UNIT ...
Страница 50: ...DATA ALU SUMMARY 3 20 DATA ARITHMETIC LOGIC UNIT MOTOROLA ...
Страница 51: ...MOTOROLA ADDRESS GENERATION UNIT 4 1 SECTION 4 ADDRESS GENERATION UNIT ...
Страница 77: ...MOTOROLA PROGRAM CONTROL UNIT 5 1 SECTION 5 PROGRAM CONTROL UNIT ...
Страница 124: ...INSTRUCTION GROUPS 6 30 INSTRUCTION SET INTRODUCTION MOTOROLA ...
Страница 125: ...MOTOROLA PROCESSING STATES 7 1 SECTION 7 PROCESSING STATES STOP WAIT EXCEPTION NORMAL RESET ...
Страница 167: ...STOP PROCESSING STATE MOTOROLA PROCESSING STATES 7 43 ...
Страница 168: ...STOP PROCESSING STATE 7 44 PROCESSING STATES MOTOROLA ...
Страница 169: ...MOTOROLA PORT A 8 1 SECTION 8 PORT A ...
Страница 176: ...PORT A INTERFACE 8 8 PORT A MOTOROLA ...
Страница 177: ...MOTOROLA PLL CLOCK OSCILLATOR 9 1 SECTION 9 PLL CLOCK OSCILLATOR x x d Φ VCO ...
Страница 191: ...10 2 ON CHIP EMULATION OnCE MOTOROLA SECTION 10 ON CHIP EMULATION OnCE ...
Страница 218: ...USING THE OnCE MOTOROLA ON CHIP EMULATION OnCE 10 29 ...
Страница 604: ...INSTRUCTION ENCODING A 338 INSTRUCTION SET DETAILS MOTOROLA ...
Страница 605: ...MOTOROLA BENCHMARK PROGRAMS B 1 APPENDIX B BENCHMARK PROGRAMS T T T T T P1 P3 P2 P4 T T T ...
Страница 606: ...SECTION CONTENTS B 2 BENCHMARK PROGRAMS MOTOROLA SECTION B 1 INTRODUCTION 3 SECTION B 2 BENCHMARK PROGRAMS 3 ...
Страница 609: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 5 ...
Страница 611: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 7 ...
Страница 613: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 9 ...
Страница 615: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 11 ...