UPD77018A Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD77018A

16 bits, Fixed-point Digital Signal Processor

NEC => Renesas Technology 

µPD77018A, 77019

CONTENTS

1. PIN FUNCTIONS ............................................................................................................................... 10

1.1 Pin Functions ........................................................................................................................................... 10

1.2 Recommended Connection for Unused Pins ....................................................................................... 15

2. FUNCTIONS ...................................................................................................................................... 16

2.1 Pipeline Processing ................................................................................................................................ 16

2.1.1 Outline ........................................................................................................................................... 16

2.1.2 Instructions with Delay .................................................................................................................. 16

2.2 Program Control Unit .............................................................................................................................. 17

2.3 Operation Unit ......................................................................................................................................... 17

2.3.1 General register (R0 to R7) ........................................................................................................... 17

2.3.2 MAC: Multiply ACcumulator ......................................................................................................... 18

2.3.3 ALU: Arithmetic Logic Unit ........................................................................................................... 18

2.3.4 BSFT: Barrel ShiFTer ................................................................................................................... 18

2.3.5 SAC: Shifter And Count Circuit .................................................................................................... 18

2.3.6 CJC: Condition Judge Circuit ....................................................................................................... 19

2.4 Memory ..................................................................................................................................................... 19

2.4.1 Instruction RAM Outline ................................................................................................................ 20

2.4.2 Data Memory Outline .................................................................................................................... 21

2.4.3 Data Memory Addressing .............................................................................................................. 22

2.5 On-chip Peripheral Circuit ...................................................................................................................... 22

2.5.1 Serial Interface Outline .................................................................................................................. 22

2.5.2 Host Interface Outline ................................................................................................................... 22

2.5.3 General Input/output Ports Outline ................................................................................................ 22

2.5.4 Wait Cycle Register ....................................................................................................................... 22

3. INSTRUCTIONS ................................................................................................................................ 23

3.1 Outline ...................................................................................................................................................... 23

3.2 Instruction Set and Operation ................................................................................................................ 24

4. ELECTRICAL SPECIFICATIONS ..................................................................................................... 32

5. PACKAGE DRAWING ...................................................................................................................... 53

6. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 54

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