7534 datasheet(6/221 Pages) RENESAS

6 / 221 page

Table of contents

7534 Group

Rev.3.00

Oct 23, 2006

page 2 of 9

REJ09B0178-0300

2.3.4 Serial I/O transfer data format ...................................................................................... 37

2.3.5 Serial I/O application examples .................................................................................... 38

2.3.6 Notes on serial I/O ......................................................................................................... 49

2.4 USB ............................................................................................................................................ 50

2.4.1 Outline of USB ................................................................................................................ 50

2.4.2 Memory map .................................................................................................................... 56

2.4.3 Relevant registers ........................................................................................................... 57

2.4.4 USB application example ............................................................................................... 62

2.4.5 Notes concerning USB ................................................................................................... 69

2.5 A/D converter .......................................................................................................................... 71

2.5.1 Memory map .................................................................................................................... 71

2.5.2 Relevant registers ........................................................................................................... 71

2.5.3 A/D converter application examples ............................................................................. 75

2.5.4 Notes on A/D converter ................................................................................................. 77

2.6 Reset .......................................................................................................................................... 78

2.6.1 Connection example of reset IC ................................................................................... 78

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2.6.2 Notes on RESET pin ...................................................................................................... 78

CHAPTER 3 APPENDIX

3.1 Electrical characteristics ........................................................................................................ 2

3.1.1 Absolute maximum ratings ............................................................................................... 2

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

3.1.3 Electrical characteristics ................................................................................................... 4

3.1.4 A/D converter characteristics ........................................................................................... 5

3.1.5 Timing requirements ......................................................................................................... 6

3.1.6 Switching characteristics .................................................................................................. 6

3.2 Typical characteristics ............................................................................................................ 8

3.2.1 Power source current characteristic example (ICC-VCC characteristic) ........................ 8

3.2.2 VOH-IOH characteristic example ....................................................................................... 11

3.2.3 A/D conversion typical characteristics example .......................................................... 15

3.3 Notes on use ........................................................................................................................... 17

3.3.1 Notes on interrupts ......................................................................................................... 17

3.3.2 Notes on serial I/O ......................................................................................................... 18

3.3.3 Notes on A/D converter ................................................................................................. 19

3.3.4 Notes on watchdog timer ............................................................................................... 20

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3.3.5 Notes on RESET pin ...................................................................................................... 20

3.3.6 Notes on input and output pins .................................................................................... 20

3.3.7 Notes on programming ................................................................................................... 21

3.3.8 Programming and test of built-in PROM version ........................................................ 22

3.3.9 Notes on built-in PROM version ................................................................................... 23

3.3.10 Termination of unused pins ......................................................................................... 24

3.3.11 Notes on CPU mode register ...................................................................................... 25

3.3.12 Notes on using 32-pin version .................................................................................... 25

3.3.13 Electric characteristic differences among mask ROM and One TIme PROM version MCUs ... 25

3.3.14 Note on power source voltage .................................................................................... 25

3.3.15 USB communication ...................................................................................................... 26

3.4 Countermeasures against noise ......................................................................................... 27

3.4.1 Shortest wiring length ..................................................................................................... 27

3.4.2 Connection of bypass capacitor across VSS line and VCC line .................................. 29

3.4.3 Wiring to analog input pins ........................................................................................... 30

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