UPD78320GJ-5BJ NEC, UPD78320GJ-5BJ Datasheet - Page 10

• Manufacturer Part Number: UPD78320GJ-5BJ
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

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LIST OF PIN FUNCTIONS ..................................................................................................................... 12
1.1
1.2
1.3
CPU ARCHITECTURE ............................................................................................................................ 17
2.1
2.2
2.3
BLOCK FUNCTIONS .............................................................................................................................. 31
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10 WATCHDOG TIMER ....................................................................................................................................... 41
INTERRUPT FUNCTIONS ...................................................................................................................... 42
4.1
4.2
4.3
STANDBY FUNCTIONS ......................................................................................................................... 47
EXTERNAL DEVICE EXPANSION FUNCTION .................................................................................... 48
OPERATION AFTER RESET ................................................................................................................. 49
INSTRUCTION SET ................................................................................................................................ 50
ELECTRICAL SPECIFICATIONS .......................................................................................................... 64
PORT PINS ...................................................................................................................................................... 12
NON-PORT PINS ............................................................................................................................................. 13
PIN INPUT/OUTPUT CIRCUITS AND RECOMMENDED CONNECTION OF UNUSED PINS ................... 15
MEMORY SPACE ............................................................................................................................................ 17
PROCESSOR REGISTERS ............................................................................................................................ 20
2.2.1
2.2.2
2.2.3
DATA MEMORY ADDRESSING ..................................................................................................................... 30
2.3.1
2.3.2
2.3.3
BUS CONTROL UNIT (BCU) .......................................................................................................................... 31
EXECUTION UNIT (EXU) ................................................................................................................................ 31
ROM/RAM ........................................................................................................................................................ 31
INTERRUPT CONTROLLER .......................................................................................................................... 31
PORT FUNCTIONS ......................................................................................................................................... 32
CLOCK GENERATOR .................................................................................................................................... 33
REALTIME PULSE UNIT (RPU) ..................................................................................................................... 35
3.7.1
3.7.2
A/D CONVERTER ........................................................................................................................................... 38
SERIAL INTERFACE ...................................................................................................................................... 38
OVERVIEW ...................................................................................................................................................... 42
MACRO SERVICE ........................................................................................................................................... 44
CONTEXT SWITCHING FUNCTION .............................................................................................................. 45
4.3.1
4.3.2
Control Registers ........................................................................................................................... 21
General Registers ........................................................................................................................... 23
Special Function Registers (SFR) ................................................................................................ 25
General Register Addressing ....................................................................................................... 30
Short Direct Addressing ................................................................................................................ 30
Special Function Register (SFR) Addressing ............................................................................ 30
Configuration .................................................................................................................................. 35
Realtime Output Function ............................................................................................................. 37
Context Switching Function by Interrupt Request .................................................................... 45
Context Switching Function by BRKCS Instruction ................................................................. 46
CONTENTS
PD78320, 78322