© Atmel Corporation 2001.

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Figure 1. The AT90SC3232 AVR Enhanced RISC Architecture

Instruction

Decoder

Flash

Program

Memory

Instruction

Register

Access

Control

General

Purpose

Registers

x

y

z

Status

Register

RAM

Data Memory

Secure

Control

Interrupt

Unit

ISO 7816

I/O Port

Timer

V

CC

GND

Control

Lines

ALU

EEPROM

User Memory

OTP

PC

CLK

Access

Control

IN/OUT

Data Bus

8-bit

Random

Number

Generator

16

16

16

8

88

1316DS–10/01

ATMEL

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