NEC U789436 Series, Руководство пользователя

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User’s Manual U15075EJ2V1UD
11
CONTENTS
CHAPTER 1 GENERAL .......................................................................................................................... 25
1.1 Features ...................................................................................................................................... 25
1.2 Applications ............................................................................................................................... 25
1.3 Ordering Information ................................................................................................................. 26
1.4 Pin Configuration (Top View) ................................................................................................... 27
1.4.1 Pin configuration of
µ
PD789426, 789436 Subseries (Top view) ................................................... 27
1.4.2 Pin configuration of
µ
PD789446, 789456 Subseries (Top view) ................................................... 28
1.5 78K/0S Series Lineup ................................................................................................................ 30
1.6 Block Diagram ............................................................................................................................ 33
1.6.1 Block diagram of
µ
PD789426, 789436 Subseries......................................................................... 33
1.6.2 Block diagram of
µ
PD789446, 789456 Subseries......................................................................... 34
1.7 Overview of Functions .............................................................................................................. 35
CHAPTER 2 PIN FUNCTIONS ............................................................................................................... 37
2.1 List of Pin Functions ................................................................................................................. 37
2.2 Description of Pin Functions .................................................................................................... 40
2.2.1 P00 to P03 (Port 0) ....................................................................................................................... 40
2.2.2 P10, P11 (Port 1) .......................................................................................................................... 40
2.2.3 P20 to P26 (Port 2) ....................................................................................................................... 40
2.2.4 P30 to P33 (Port 3) ....................................................................................................................... 41
2.2.5 P50 to P53 (Port 5) ....................................................................................................................... 41
2.2.6 P60 to P65 (Port 6) ....................................................................................................................... 41
2.2.7 P70 to P72 (Port 7) ....................................................................................................................... 42
2.2.8 P80, P81 (Port 8) .......................................................................................................................... 42
2.2.9 P90 to P97 (Port 9) ....................................................................................................................... 42
2.2.10 S0 to S14 ...................................................................................................................................... 42
2.2.11 COM0 to COM3 ............................................................................................................................ 42
2.2.12 V
LC0
to V
LC2
................................................................................................................................... 42
2.2.13 CAPH, CAPL................................................................................................................................. 42
2.2.14 RESET .......................................................................................................................................... 42
2.2.15 X1, X2 ........................................................................................................................................... 42
2.2.16 CL1, CL2 (in case of RC oscillation (mask option) only) ............................................................... 42
2.2.17 XT1, XT2....................................................................................................................................... 43
2.2.18 V
DD
................................................................................................................................................ 43
2.2.19 V
SS
................................................................................................................................................ 43
2.2.20 V
PP
(
µ
PD78F9436, 78F9456 only) ................................................................................................ 43
2.2.21 IC (mask ROM version only) ......................................................................................................... 43
2.3 Pin Input/Output Circuits and Recommended Connection of Unused Pins ....................... 44