UPD78323GJ(A1)-5BJ Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD78323GJ(A1)-5BJ

16/8-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD78323, 78324

CONTENTS

1. LIST OF PIN FUNCTIONS ..................................................................................................................... 11

1.1 PORT PINS ...................................................................................................................................................... 11

1.2 PINS OTHER THAN PORTS .......................................................................................................................... 12

1.3 PIN INPUT/OUTPUT CIRCUITS AND RECOMMENDED CONNECTION OF UNUSED PINS ................... 14

2. CPU ARCHITECTURE ............................................................................................................................ 16

2.1 MEMORY SPACE ............................................................................................................................................ 16

2.2 PROCESSOR REGISTERS ............................................................................................................................ 19

2.2.1 Control Registers ........................................................................................................................... 20

2.2.2 General Registers ........................................................................................................................... 22

2.2.3 Special Function Registers (SFR) ................................................................................................ 24

2.3 DATA MEMORY ADDRESSING ..................................................................................................................... 29

2.3.1 General Register Addressing ....................................................................................................... 29

2.3.2 Short Direct Addressing ................................................................................................................ 29

2.3.3 Special Function Register (SFR) Addressing ............................................................................ 29

3. BLOCK FUNCTIONS .............................................................................................................................. 30

3.1 BUS CONTROL UNIT (BCU) .......................................................................................................................... 30

3.2 EXECUTION UNIT (EXU) ................................................................................................................................ 30

3.3 ROM/RAM ........................................................................................................................................................ 30

3.4 INTERRUPT CONTROLLER .......................................................................................................................... 30

3.5 PORT FUNCTIONS ......................................................................................................................................... 31

3.6 CLOCK GENERATOR .................................................................................................................................... 32

3.7 REALTIME PULSE UNIT (RPU) ..................................................................................................................... 34

3.7.1 Configuration .................................................................................................................................. 34

3.7.2 Realtime Output Function ............................................................................................................. 36

3.8 A/D CONVERTER ........................................................................................................................................... 37

3.9 SERIAL INTERFACE ...................................................................................................................................... 37

3.10 WATCHDOG TIMER ....................................................................................................................................... 40

4. INTERRUPT FUNCTIONS ...................................................................................................................... 41

4.1 OVERVIEW ...................................................................................................................................................... 41

4.2 MACRO SERVICE ........................................................................................................................................... 42

4.3 CONTEXT SWITCHING FUNCTION .............................................................................................................. 44

4.3.1 Context Switching Function at Interrupt Request ..................................................................... 44

4.3.2 Context Switching Function by BRKCS Instruction ................................................................. 45

5. STANDBY FUNCTIONS ......................................................................................................................... 46

6. EXTERNAL DEVICE EXPANSION FUNCTION .................................................................................... 47

7. OPERATION AFTER RESET ................................................................................................................. 48

8. INSTRUCTION SET ................................................................................................................................ 49

9. ELECTRICAL SPECIFICATIONS .......................................................................................................... 63

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