UPD780974 데이터 시트보기 (PDF) - NEC => Renesas Technology

부품명

상세내역

제조사

UPD780974

8-Bit Single-Chip Microcontrollers

NEC => Renesas Technology 

CONTENTS

CHAPTER 1 OUTLINE .................................................................................................................... 23

1.1 Features ................................................................................................................................ 23

1.2 Applications ......................................................................................................................... 23

1.3 Ordering Information ........................................................................................................... 24

1.4 Quality Grade ....................................................................................................................... 24

1.5 Pin Configuration (Top View) ............................................................................................. 25

1.6 78K/0 Series Product Development ................................................................................... 27

1.7 Block Diagram ...................................................................................................................... 29

1.8 Outline of Function .............................................................................................................. 30

CHAPTER 2 PIN FUNCTION .......................................................................................................... 31

2.1 Pin Function List .................................................................................................................. 31

2.2 Description of Pin Functions .............................................................................................. 33

2.2.1 P00 to P07 (Port 0) ..................................................................................................................... 33

2.2.2 P10 to P14 (Port 1) ..................................................................................................................... 33

2.2.3 P20 to P27 (Port 2) ..................................................................................................................... 33

2.2.4 P30 to P37 (Port 3) ..................................................................................................................... 34

2.2.5 P40 to P44 (Port 4) ..................................................................................................................... 34

2.2.6 P50 to P54 (Port 5) ..................................................................................................................... 34

2.2.7 P60, P61 (Port 6) ........................................................................................................................ 35

2.2.8 P81 to P87 (Port 8) ..................................................................................................................... 35

2.2.9 P90 to P97 (Port 9) ..................................................................................................................... 36

2.2.10 COM0 to COM3 .......................................................................................................................... 36

2.2.11 VLCD ............................................................................................................................................. 36

2.2.12 AVREF .......................................................................................................................................... 36

2.2.13 AVSS ............................................................................................................................................ 36

2.2.14 RESET ........................................................................................................................................ 36

2.2.15 X1 and X2 ................................................................................................................................... 36

2.2.16 SMVDD ......................................................................................................................................... 36

2.2.17 SMVSS ......................................................................................................................................... 36

2.2.18 VDD .............................................................................................................................................. 36

2.2.19 VSS .............................................................................................................................................. 36

2.2.20 VPP (µPD78F0974) ...................................................................................................................... 37

2.2.21 IC (µPD780973(A)) ..................................................................................................................... 37

2.3 Input/output Circuits and Recommended Connection of Unused Pins ......................... 38

CHAPTER 3 CPU ARCHITECTURE .............................................................................................. 41

3.1 Memory Spaces ................................................................................................................... 41

3.1.1 Internal program memory space ................................................................................................. 43

3.1.2 Internal data memory space ....................................................................................................... 44

3.1.3 Special function register (SFR) area ........................................................................................... 44

3.1.4 Data memory addressing ............................................................................................................ 45

3.2 Processor Registers ............................................................................................................ 47

3.2.1 Control registers ......................................................................................................................... 47

3.2.2 General registers ........................................................................................................................ 50

11

Share Link: