7534 datasheet(5/221 Pages) RENESAS

5 / 221 page

7534 Group

Table of contents

Rev.3.00

Oct 23, 2006

page 1 of 9

REJ09B0178-0300

Table of contents

CHAPTER 1 HARDWARE

DESCRIPTION ................................................................................................................................... 2

FEATURES ......................................................................................................................................... 2

APPLICATION ................................................................................................................................... 2

PIN CONFIGURATION ..................................................................................................................... 2

FUNCTIONAL BLOCK ..................................................................................................................... 5

PIN DESCRIPTION ........................................................................................................................... 8

GROUP EXPANSION ....................................................................................................................... 9

FUNCTIONAL DESCRIPTION ....................................................................................................... 10

Central Processing Unit (CPU) ............................................................................................... 10

Memory ....................................................................................................................................... 14

I/O Ports ..................................................................................................................................... 16

Interrupts .................................................................................................................................... 20

Timers ......................................................................................................................................... 23

Serial Interface .......................................................................................................................... 25

A/D Converter ............................................................................................................................ 36

Reset Circuit .............................................................................................................................. 38

Clock Generating Circuit .......................................................................................................... 40

NOTES ON PROGRAMMING ........................................................................................................ 42

NOTES ON USE ............................................................................................................................. 42

DATA REQUIRED FOR MASK ORDERS ................................................................................... 43

FUNCTIONAL DESCRIPTION SUPPLEMENT ............................................................................ 45

Interrupt ...................................................................................................................................... 45

Timing After Interrupt ................................................................................................................ 46

A/D Converter ............................................................................................................................ 47

Stop mode .................................................................................................................................. 49

Wait mode .................................................................................................................................. 50

DESCRIPTION OF IMPROVED USB FUNCTION FOR 7534 GROUP ................................... 51

DIFFERENCES AMONG 32-PIN, 36-PIN AND 42-PIN ............................................................. 51

DESCRIPTION SUPPLEMENT FOR USE OF USB FUNCTION STABLY ............................. 53

CHAPTER 2 APPLICATION

2.1 I/O port ........................................................................................................................................ 2

2.1.1 Memory map ...................................................................................................................... 2

2.1.2 Relevant registers ............................................................................................................. 2

2.1.3 Application example of key-on wake up ........................................................................ 6

2.1.4 Handling of unused pins .................................................................................................. 7

2.1.5 Notes on input and output pins ...................................................................................... 8

2.1.6 Termination of unused pins ............................................................................................. 9

2.2 Timer .......................................................................................................................................... 10

2.2.1 Memory map .................................................................................................................... 10

2.2.2 Relevant registers ........................................................................................................... 10

2.2.3 Timer application examples ........................................................................................... 16

2.3 Serial I/O ................................................................................................................................... 29

2.3.1 Memory map .................................................................................................................... 29

2.3.2 Relevant registers ........................................................................................................... 29

2.3.3 Serial I/O connection examples .................................................................................... 35

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