7643 datasheet(5/424 Pages) RENESAS

5 / 424 page

Rev.2.00

Aug 28, 2006

page 1 of 12

7643 Group

REJ09B0133-0200

Table of contents

CHAPTER 1 HARDWARE

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

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

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

PIN CONFIGURATION (TOP VIEW) .............................................................................................. 3

FUNCTIONAL BLOCK DIAGRAM (Package: PRQP0080GB-A) ............................................... 4

PIN DESCRIPTION ........................................................................................................................... 5

PART NUMBERING .......................................................................................................................... 7

GROUP EXPANSION ....................................................................................................................... 8

Memory Type

Memory Size

Memory Expansion ...................................................................................................................... 8

Packages ...................................................................................................................................... 8

FUNCTIONAL DESCRIPTION ......................................................................................................... 9

CENTRAL PROCESSING UNIT (CPU) .................................................................................... 9

MEMORY .................................................................................................................................... 13

I/O PORTS ................................................................................................................................. 15

INTERRUPTS ............................................................................................................................. 21

TIMERS ...................................................................................................................................... 25

SERIAL I/O ................................................................................................................................. 27

UART .......................................................................................................................................... 31

DMAC .......................................................................................................................................... 37

USB FUNCTION ........................................................................................................................ 42

FREQUENCY SYNTHESIZER (PLL) ...................................................................................... 57

RESET CIRCUIT ....................................................................................................................... 59

CLOCK GENERATING CIRCUIT ............................................................................................ 61

PROCESSOR MODE ................................................................................................................ 65

FLASH MEMORY MODE ............................................................................................................... 71

NOTES ON PROGRAMMING ........................................................................................................ 98

USAGE NOTES ............................................................................................................................. 101

ROM ORDERING METHOD ........................................................................................................ 102

FUNCTIONAL DESCRIPTION SUPPLEMENT .......................................................................... 103

CHAPTER 2 APPLICATION

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

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

2.1.2 Related registers ............................................................................................................... 3

2.1.3 Key-on wake-up interrupt application example ............................................................. 7

2.1.4 Terminate unused pins ..................................................................................................... 9

2.1.5 Notes on I/O port ............................................................................................................ 10

2.1.6 Termination of unused pins ........................................................................................... 11

2.2 Timer .......................................................................................................................................... 12

2.2.1 Memory map .................................................................................................................... 12

2.2.2 Related registers ............................................................................................................. 13

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

2.2.4 Notes on timer ................................................................................................................. 22

Table of contents

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