Rainbow-electronics AT90SO4 Instrukcja Użytkownika Pobierz pdf (Strona 3)

3

AT90SO4

6579A–SMS–29Jan10

Figure 1. AT90SO4 secureAVR Enhanced RISC Architecture

Instruction

Decoder

Program

Memory

Instruction

Register

Access

Control

General

Purpose

Registers

X

Y

Z

Status

Register

RAM

Data Memory

Interrupt

Unit

ISO 7816

I/O Port 0

Control

Lines

ALU

EEPROM

User Memory

OTP

PC

Secure

Control

VCC

GND

Access

Control

IN/OUT0

Data Bus

8-bit

RNG

16

16

16

8

88

DES

DPA Counter

measures

Reset

Circuit

RST

ISO 7816

Controller

CRC and

Checksum

Accelerator

Timer 1

Timer 0

ISO7816

I/O Port 1

SPI

Controller

SPI_MISO

SPICLK /

ISOCLK

SPI_MOSI

IN/OUT1 /

SS

1 2 3 4 5 6 7 8 ... 12 13

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