38K2 datasheet(5/358 Pages) RENESAS

5 / 358 page

Rev.2.00

Oct 15, 2006

page 1 of 14

38K2 Group

REJ09B0338-0200

Table of contents

CHAPTER 1 HARDWARE

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

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

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

FUNCTIONAL BLOCK ..................................................................................................................... 3

PIN DESCRIPTION ........................................................................................................................... 4

PART NUMBERING .......................................................................................................................... 5

GROUP EXPANSION ....................................................................................................................... 6

Memory Type ............................................................................................................................... 6

Memory Size ................................................................................................................................6

Packages ...................................................................................................................................... 6

FUNCTIONAL DESCRIPTION ......................................................................................................... 7

Central Processing Unit (CPU) ................................................................................................. 7

Memory ....................................................................................................................................... 11

I/O Ports ..................................................................................................................................... 13

Interrupts .................................................................................................................................... 17

Timers ......................................................................................................................................... 20

Serial Interface .......................................................................................................................... 22

USB Function ............................................................................................................................. 26

HUB Function ............................................................................................................................. 58

External Bus Interface (EXB) .................................................................................................. 70

Multichannel RAM ..................................................................................................................... 89

A/D Converter ............................................................................................................................ 91

Watchdog Timer ........................................................................................................................ 93

Reset Circuit .............................................................................................................................. 94

PLL Circuit (Frequency Synthesizer) ...................................................................................... 95

Clock Generating Circuit .......................................................................................................... 97

Flash Memory Mode ............................................................................................................... 100

NOTES ON PROGRAMMING ...................................................................................................... 126

NOTES ON USAGE ...................................................................................................................... 128

DATA REQUIRED FOR MASK ORDERS ................................................................................. 128

FUNCTIONAL DESCRIPTION SUPPLEMENT .......................................................................... 129

CHAPTER 2 APPLICATION

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

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

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

2.1.3 Handling of unused pins .................................................................................................. 5

2.1.4 Notes on input and output pins ...................................................................................... 6

2.1.5 Termination of unused pins ............................................................................................. 7

2.2 Interrupt ...................................................................................................................................... 8

2.2.1 Memory map ...................................................................................................................... 8

2.2.2 Related registers ............................................................................................................... 8

2.2.3 Interrupt source ............................................................................................................... 11

2.2.4 Interrupt operation ........................................................................................................... 12

2.2.5 Interrupt control ............................................................................................................... 15

2.2.6 INT interrupt ..................................................................................................................... 18

Table of contents

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