4519 datasheet(7/272 Pages) RENESAS

7 / 272 page

Rev.1.00

Aug 06, 2004

4519 Group

iii

REJ09B0175-0100Z

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 ................................................................................................ 3-6

3.1.4 A/D converter recommended operating conditions .................................................... 3-8

3.1.5 Voltage drop detection circuit characteristics ........................................................... 3-10

3.1.6 Basic timing diagram ................................................................................................... 3-10

3.2 Typical characteristics ....................................................................................................... 3-11

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

3.3.1 Program counter ........................................................................................................... 3-12

3.3.2 Stack registers (SKs) ................................................................................................... 3-12

3.3.3 Notes on I/O port ......................................................................................................... 3-12

3.3.4 Notes on interrupt ........................................................................................................ 3-14

3.3.5 Notes on timer .............................................................................................................. 3-15

3.3.6 Notes on A/D conversion ............................................................................................ 3-17

3.3.7 Notes on serial I/O ...................................................................................................... 3-18

3.3.8 Notes on reset .............................................................................................................. 3-19

3.3.9 Notes on RAM back-up ............................................................................................... 3-19

3.3.10 Notes on clock control .............................................................................................. 3-20

3.3.11 Electric characteristic differences between Mask ROM and One Time PROM version MCU .. 3-20

3.3.12 Note on Power Source Voltage ............................................................................... 3-20

3.4 Notes on noise ..................................................................................................................... 3-21

3.4.1 Shortest wiring length .................................................................................................. 3-21

3.4.2 Connection of bypass capacitor across VSS line and VDD line ............................ 3-23

3.4.3 Wiring to analog input pins ........................................................................................ 3-24

3.4.4 Oscillator concerns ....................................................................................................... 3-24

3.4.5 Setup for I/O ports ....................................................................................................... 3-25

3.4.6 Providing of watchdog timer function by software .................................................. 3-25

3.5 Package outline ................................................................................................................... 3-27

Table of contents

4519 Datasheet(PDF) 7 Page - Renesas Technology Corp