NEC - page 17

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TABLE OF CONTENTS
CHAPTER 1 GENERAL ( µ PD78054 Subseries) ............................................................................ 37
1.1 Features............................................................................................................................. 37
1.2 Applications ...................................................................................................................... 38
1.3 Ordering Information........................................................................................................ 38
1.4 Quality Grade .................................................................................................................... 39
1.5 Pin Configuration (Top View)........................................................................................... 40
1.6 78K/0 Series Expansion ................................................................................................... 43
1.7 Block Diagram................................................................................................................... 45
1.8 Outline of Function........................................................................................................... 46
1.9 Differences between Standard Quality Grade Products and (A) Products ................. 48
1.10 Mask Options.................................................................................................................... 48
CHAPTER 2 GENERAL ( µ PD78054Y Subseries).......................................................................... 49
2.1 Features............................................................................................................................. 49
2.2 Applications ...................................................................................................................... 50
2.3 Ordering Information........................................................................................................ 50
2.4 Quality Grade .................................................................................................................... 50
2.5 Pin Configuration (Top View)........................................................................................... 51
2.6 78K/0 Series Expansion ................................................................................................... 54
2.7 Block Diagram................................................................................................................... 56
2.8 Outline of Function........................................................................................................... 57
2.9 Mask Options .................................................................................................................... 58
CHAPTER 3 PIN FUNCTION ( µ PD78054 Subseries) .................................................................... 59
3.1 Pin Function List............................................................................................................... 59
3.1.1 Normal operating mode pins ............................................................................................... 59
3.1.2 PROM programming mode pins (PROM versions only)...................................................... 63
3.2 Description of Pin Functions........................................................................................... 64
3.2.1 P00 to P07 (Port 0).............................................................................................................. 64
3.2.2 P10 to P17 (Port 1).............................................................................................................. 65
3.2.3 P20 to P27 (Port 2).............................................................................................................. 65
3.2.4 P30 to P37 (Port 3).............................................................................................................. 66
3.2.5 P40 to P47 (Port 4).............................................................................................................. 67
3.2.6 P50 to P57 (Port 5).............................................................................................................. 67
3.2.7 P60 to P67 (Port 6).............................................................................................................. 67
3.2.8 P70 to P72 (Port 7).............................................................................................................. 68
3.2.9 P120 to P127 (Port 12)........................................................................................................ 69
3.2.10 P130 and P131 (Port 13) ..................................................................................................... 69
3.2.11 AVREF0.................................................................................................................................. 69
3.2.12 AVREF1.................................................................................................................................. 69
3.2.13 AVDD..................................................................................................................................... 70
3.2.14 AVSS..................................................................................................................................... 70
3.2.15 RESET ................................................................................................................................. 70
3.2.16 X1 and X2 ............................................................................................................................ 70
3.2.17 XT1 and XT2 ....................................................................................................................... 70