M34551E8-XXXFP_98 View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M34551E8-XXXFP_98

4-BIT SINGLE-CHIP MICROCOMPUTER

MITSUBISHI ELECTRIC  

Table of contents

CHAPTER 3 APPENDIX

3.1 Electrical characteristics ..................................................................................................... 3-2

3.1.1 Absolute maximum ratings ............................................................................................ 3-2

3.1.2 Recommended operating conditions ............................................................................ 3-3

3.1.3 Electrical characteristics ................................................................................................ 3-4

3.1.4 Basic timing diagram ..................................................................................................... 3-5

3.2 Typical characteristics ......................................................................................................... 3-6

3.2.1 VDD–IDD characteristics ................................................................................................. 3-6

3.2.2 VOH–IOH characteristics (port CARR) .......................................................................... 3-9

3.2.3 VOL–IOL characteristics (Ports P0, P1, D0–D7, CARR, RESET) ............................ 3-10

3.2.4 Voltage drop detection circuit temperature characteristics .................................... 3-11

3.3 List of precautions .............................................................................................................. 3-12

3.4 Notes on noise ..................................................................................................................... 3-13

3.4.1 Shortest wiring length .................................................................................................. 3-13

3.4.2 Connection of bypass capacitor across VSS line and VCC line ............................ 3-15

3.4.3 Oscillator concerns ....................................................................................................... 3-16

3.4.4 setup for I/O ports ....................................................................................................... 3-17

3.4.5 providing of watchdog timer function by software ................................................... 3-17

3.5 Mask ROM order confirmation form ............................................................................... 3-18

3.6 ROM programming order confirmation form ................................................................ 3-20

3.7 Mark specification form ..................................................................................................... 3-21

3.8 Package outline ................................................................................................................... 3-22

4551 Group User’s Manual

iii

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