AT90SC19236R - Atmel Corporation

Features

General

•High-performance, Low- power secure AVR Enhanced RISC Architecture

– 133 Powerful Instructions (Most Executed in a Single Clock Cycle)

•Low-power Idle and Power-down Modes

•Bond Pad Locations Conforming to ISO 7816-2

•ESD Protection to ± 6000V

•Operating Range: from 2.7V to 5.5V

•Compliant with GSM, 3GPP and EMV 2000 Specifications; PC Industry Compatible

•Available in Wafers, Modules and Industry-standard Packages

Memory

•192K Bytes of ROM Program Memory

•36K Bytes of EEPROM , Including 128 OTP Bytes and 384-byte Bit-addressable Bytes

– 1 to 128-byte Program/Erase

– 1 ms Program, 1 ms Erase

– Typically More than 500,000 Write/Erase Cycles at a Temperature of 25oC

– 10 Years Data Retention

•EEPROM Erase Only Mode

•Write EEPROM With or Without Autoerase

•4K B ytes of RAM

Peripherals

•ISO 7816 C ontroller

– Up to 625 kbps at 5 MHz

– Compliant with T = 0 and T = 1 Pr otocols

•One I/O Port

•Programmable Internal Oscillator (Up to 20 MHz on ROM)

•Two 16-bit Timers

•Random Number Generator (RNG)

•2-level, 7-vector Interrupt Controller

•Hardware DES and Triple DES DPA Resistant

•Checksum Accelerator

•CRC 16 Engine (Complia nt with ISO/IEC 3309)

Security

•Dedicated Hardware for Protection Agai nst SPA/DPA Attacks

•Advanced Protection Against Physical Attack

•Environmental Protection Systems

•Voltage Monitor

•Frequency Monitor

•Lig ht Protection

•Secure Memory Management/Access Protection (Supervisor Mode)

Development Tools

•Voyager Emulation Platfor m (ATV2 Advanced) to Support Software Development

•IAR Systems C-Spy Debugger or Atmel’s AVR Studio Ve rsion 4.07 or Above

•Software Libraries and Application Notes

Secure

Microcontroller

for Smart Cards

AT90SC19236R

Summary

Rev. 1590AS–SMIC–06/03

Note: This is a summary document. A complete document is

available under NDA. For more information, please contact your

local Atmel sales office.

AT90SC19236R

1590AS–SMIC–10Jun03

Description The AT90SC19236R is a low-power, high-performance, 8/16-bit microcontroller with

ROM progra m memory, EEPROM d ata memory, based on the sec ureAVR enhance d

RISC architecture. By executing powerful instructions in a single clock cycle, the

AT90SC19236R achieves throughputs close to 1 MIPS per MHz. Its Harvard architec-

ture includes 32 general-purpose working registers directly connected to the ALU,

allowing two inde penden t regis ters to b e acce ssed in one s ingl e instruc tion e xecut ed in

one clock cycle.

The AT90 SC19236R u ses a new AV R a rch itcture, t he sec ur eA VR that al low s t he l in ear

addres sing of u p to 8M bytes of co de and up to 1 6M by tes of data as we ll as a num ber

of new functional and security features.

The abi lity to map the E EP RO M in the cod e spa ce al low s par ts of the pr og ra m m emo ry

to be reprogrammed in-system. This technology combined with the versatile 8/16-bit

CPU on a monolithic chip provides a highly flexible and cost-effective solution to many

smart card applications.

Additional security features include power and frequency protection logic, logical scram-

bling on program data and addresses , Power Analysis countermeasures and memory

accesses c ontrolled by a supervi sor mode. A block diagram of the AT90SC19236R is

shown in Figure 1.

Figure 1. AT90SC19236R secure AVR Enhanced RISC Architecture

Instruction

Decoder

Program

Memory

Instruction

Access

Control

General

Purpose

Registers

Status

Timer

Control

Lines

ALU

EEPROM

User Memory

OTP

Secure

Control VCC

GND

CLK

Access

Control

IN/OUT

Data Bus

8-bit

RNG

16 8

DES

DPA Counter

Measures

Reset

Circuit RST

RAM

Data Memory

Interrupt

Unit

ISO 7816

I/O Port 0

ISO 7816

Controller

CRC and

Checksum

Accelerator

Printed on recycled paper.

Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty

which is detailed in Atmel’s Terms and Conditions located o n the Company’s web site. The Company assumes no responsibility for any errors

which may appear in this docum ent, reserves the right to change devices or specifications detailed herein at any time without notice, and does

not make any commitment to update the inform ation contained herein. No licenses to patents or other intellectual property of At mel are granted

by the Company in conn ection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized f or use as crit ical

components in life support devices or systems.

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1590AS–SMIC–10Jun03 /xM

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