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Features
General
* * * * * * *
High-performance, Low-power secureAVR RISC Architecture - 135 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 Ranges: 1.62 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 Area
- 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 - Bit-write Mode (optional) - Full or Partial Page Erase Mode (optional) * 4K Bytes of RAM
Secure Microcontroller for Smart Cards AT90SC 19236RT
Peripherals
* One ISO 7816 Controller * * * * * * * *
- Up to 625 kbps at 5 MHz - Compliant with T = 0 and T = 1 Protocols 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 (Compliant with ISO/IEC 3309)
Security
* * * * * * *
Dedicated Hardware for Protection Against SPA/DPA Attacks Protection Against Physical Attack Environmental Protection Systems Voltage Monitor Frequency Monitor Light Protection Secure Memory Management/Access Protection (Supervisor Mode)
Development Tools
* Voyager Emulation Platform (ATV2 Advanced) to Support Software Development * IAR Systems EWAVR(R) V3.10 Debugger or Atmel's AVR Studio(R) Version 4.07 or Above * Software Libraries and Application Notes
6503AS-SMIC-04Mar04
Note: This is a summary document. A complete document will be available under NDA. For more information, please contact your local Atmel sales office.
Description
The AT90SC19236RT is a low power, high performance, 8/16-bit microcontroller based on the SecureAVR enhanced RISC architecture, with flexible ROM program memory and EEPROM data memory. By executing powerful instructions in a single clock cycle, the AT90SC19236RT achieves throughputs close to 1 MIPS per Mhz. Its Harvard architecture includes 32 general-purpose working registers directly connected to the ALU, allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The AT90SC19236RT uses the SecureAVR that allows the linear addressing of up to 8M bytes of code and up to 16M bytes of data as well as a number of new functional security features. The ability to map the EEPROM in the code space allows parts of the program memory 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 smartcard applications. The AT90SC19236RT benefits from advanced EEPROM functions (XP Mode), but can also be configured to offer compatibility with the AT90SC19236R. Additional security features include power and frequency protection logic, logical scrambling on program data and addresses, power analysis countermeasures, and memory accesses controlled by a supervisor mode. Figure 1 shows the AT90SC19236RT block diagram. Figure 1. AT90SC19236RT secureAVR Enhanced RISC Architecture
Data Bus 8-bit OTP EEPROM User Memory PC Flash Program Memory 16 Instruction Register 16 Instruction Decoder 16 Control Lines Status Register Access Control General Purpose Registers X Y Z 8 8 ALU 8 Timer 0 Timer 1 DES/ Triple DES Reset Circuit RST RNG Secure Control CLK GND VCC
RAM Data Memory Access Control Interrupt Unit ISO 7816 Controller ISO 7816 I/O Port 0 IN/OUT0
On-Chip Security
CRC and Checksum Accelerator
2
AT90SC19236RT
6503AS-SMIC-04Mar04
Atmel Corporation
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Disclaimer: 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 on the Company's web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel's products are not authorized for use as critical components in life support devices or systems.
ATMEL (R) and AVRstudio (R) are registered trademarks of Atmel; and secureAVR is a trademark of Atmel. EWAVR (R) is a registered trademark of IAR Systems AB. Other terms and product names may be the trademark of others.
Printed on recycled paper.
6503AS-SMIC-04Mar04

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