Atmel AT85DVK-07 Especificaciones descargar pdf (Pagina 258)

7632A–MP3–03/06

AT85C51SND3A

Table of Contents

Features ................................................................................................. 1

Description ............................................................................................ 2

Key Features ......................................................................................... 2

Block Diagram ...................................................................................... 3

Application Information ....................................................................... 4

Very Low Voltage 1.8V System ............................................................................ 4

Low Voltage 3V System........................................................................................ 5

Pin Description ..................................................................................... 6

Pinouts.................................................................................................................. 6

Signals Description............................................................................................... 7

Internal Pin Structure...........................................................................................15

Power Management ............................................................................ 18

Power Supply...................................................................................................... 18

Power Reduction Mode ...................................................................................... 20

Reset .................................................................................................................. 23

Registers..............................................................................................................25

Clock Controller .................................................................................. 27

Oscillator............................................................................................................. 27

Clock Generator.................................................................................................. 28

System Clock Generator..................................................................................... 29

DFC/NFC Clock Generator................................................................................. 30

MMC Clock Generator........................................................................................ 31

SIO Clock Generator .......................................................................................... 32

Registers............................................................................................................. 33

Special Function Registers ............................................................... 36

SFR Pagination................................................................................................... 36

SFR Registers .................................................................................................... 37

Memory Space .................................................................................... 49

Memory Segments.............................................................................................. 49

Memory Configuration ........................................................................................ 50

Registers............................................................................................................. 51

Interrupt System ................................................................................. 55

Interrupt System Priorities .................................................................................. 55

External Interrupts .............................................................................................. 58

1 2 ... 253 254 255 256 257 258 259 260 261 262 263

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Atmel AT85DVK-07 Especificaciones Pagina 258