UPD78C18 datasheet(5/110 Pages) NEC

5 / 110 page

µPD78C17,78C18

CONTENTS

PIN FUNCTIONS ..........................................................................................................................................7

1.1

LIST OF PIN FUNCTION ......................................................................................................................................7

1.2

PIN INPUT/OUTPUT CIRCUITS ..........................................................................................................................9

1.3

PIN MASK OPTIONS .........................................................................................................................................15

1.4

UNUSED PIN CONNECTIONS ..........................................................................................................................15

INTERNAL BLOCK FUNCTIONS ..............................................................................................................16

2.1

REGISTERS .........................................................................................................................................................16

2.2

ARITHMETIC LOGIC UNIT (ALU) .....................................................................................................................17

2.3

PROGRAM STATUS WORD (PSW) .................................................................................................................. 17

2.4

MEMORY ............................................................................................................................................................19

2.5

PORT FUNCTIONS .............................................................................................................................................22

2.6

TIMER ..................................................................................................................................................................31

2.7

TIMER/EVENT COUNTER .................................................................................................................................34

2.8

SERIAL INTERFACE ...........................................................................................................................................41

2.9

ANALOG/DIGITAL CONVERTER ......................................................................................................................52

2.10 ZERO-CROSS DETECTOR .................................................................................................................................55

INTERRUPT FUNCTIONS .........................................................................................................................57

3.1

INTERRUPT CONTROL CIRCUIT CONFIGURATION ...................................................................................... 58

3.2

NON-MASKABLE INTERRUPT OPERATION ...................................................................................................61

3.3

MASKABLE INTERRUPT OPERATION ............................................................................................................63

3.4

INTERRUPT OPERATION BY SOFTI INSTRUCTION ...................................................................................... 64

STANDBY FUNCTIONS ............................................................................................................................65

4.1

HALT MODE .......................................................................................................................................................65

4.2

HALT MODE RELEASE ......................................................................................................................................66

4.3

SOFTWARE STOP MODE .................................................................................................................................68

4.4

SOFTWARE STOP MODE RELEASE ................................................................................................................ 68

4.5

HARDWARE STOP MODE .................................................................................................................................69

4.6

HARDWARE STOP MODE RELEASE ...............................................................................................................70

4.7

LOW SUPPLY VOLTAGE DATA RETENTION MODE ..................................................................................... 71

RESET OPERATIONS ................................................................................................................................72

INSTRUCTION SET ...................................................................................................................................73

6.1

IDENTIFIER/DESCRIPTION OF OPERAND ...................................................................................................... 73

6.2

SYMBOL DESCRIPTION OF INSTRUCTION CODE ........................................................................................ 74

6.3

INSTRUCTION EXECUTION TIME ...................................................................................................................75

LIST OF MODE REGISTERS .....................................................................................................................87

ELECTRICAL SPECIFICATIONS ................................................................................................................88

CHARACTERISTIC CURVES .....................................................................................................................99

10. PACKAGE DRAWINGS ...........................................................................................................................102

UPD78C18 Datasheet(PDF) 5 Page - NEC

UPD78C18 Datasheet(HTML) 5 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL