Secure Microcontroller. AT90SC256144RCFT Datasheet

AT90SC256144RCFT Datasheet PDF, Equivalent

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Secure Microcontroller


ATMEL Corporation

Total Page 4 Pages
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AT90SC256144RCFT Datasheet
High-performance, Low-power secureAVREnhanced RISC Architecture
– 137 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: 2.7V to 5.5V
Compliant with ICAO and FIPS201 Specifications, GSM and EMV2000 Specifications
Available in Wafers, Contact Modules, Dual Interface Modules, Full Contactless
Modules or Inlays and Industry-standard Packages
Contactless Mode
RF Contactless Interface with Full Support for ISO/IEC 14443 Type A and B Protocols
Supply Voltage Clamp and Regulation
Full-bridge Power Rectification
On-chip Tuning Capacitance: 10 pF up to 120 pF
13.56 MHz Clock Extraction
Internal Bus Maximum Frequency: 3.4 MHz (External clock) or 40MHz (Internal clock)
– ISO/IEC Type A: 100% ASK Modulation and Modified Miller Bit Coding
– ISO/IEC Type B: 10% ASK Modulation and NRZ Bit Coding
– ISO/IEC Type A: Generation of 847.5Khz Subcarrier with OOK Modulation and
Manchester Bit Coding
– ISO/IEC Type B: Modulation of Incoming RF Carrier by Resistive Load Switching /
Generation of 847.5Khz Subcarrier with BPSK Modulation / NRZ Data Encoding Rates: Up to 848 kbps
RF Frame: Up to 256 Bytes
256K Bytes of ROM Program Memory
32K Bytes of ROM Dedicated to ATMEL’s Cryptographic Libraries
144K Bytes of EEPROM, Including 128 OTP Bytes and 384-byte Bit-addressable Bytes
– 1 to 128-byte Program / Erase
– 1ms Program / 1ms Erase
– Typically 500,000 Write/Erase Cycles at a Temperature of 25oC
– 10 Years Data Retention
8K Bytes of RAM + 256 Bytes of DMA Dedicated RAM
Interrupt Driven ISO14443 Contactless Controller with Transmit / Receive
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 40 MHz for AdvXand up to 20 MHz for
Internal CPU Clock)
Three 16-bit Timers (Watchdog capability)
Random Number Generator (RNG)
2-level, 8-vector Interrupt Controller
Hardware DES and Triple DES DPA/SPA/DEMA Resistant
Checksum Accelerator
CRC16 & 32 Engine (Compliant with ISO/IEC 3309)
for Smart Cards
Note: This is a summary document. A complete document will be
available under NDA. For more information, please contact your
local Atmel sales office.

AT90SC256144RCFT Datasheet
32-bit AdvXCryptographic Accelerator for Public Key Operations with GF92n) Multiplier and Firmware (RSA, DSA, ECC, Key
Generation, AES, MD5, SHA-1, SHA-256)
DMA Controller to Speed-up Data Transfers when communicating via the Contactless Interface
EAES 128 Engine (Optional)
Dedicated Hardware for Protection Against SPA/DPA/SEMA/DEMA Attacks
Advanced Protection Against Physical Attack, Including Active Shield
Environmental Protection Systems
Voltage Monitor
Frequency Monitor
Light protection
Temperature Monitor
Secure Memory Management/Access Protection (Supervisor Mode)
Designed to meet Common Criteria EAL5+
Development Tools
Voyager Emulation Platform (ATV4 Advanced) to Support Software Development
IAR Embedded Workbench AVR® V3.20c Debugger or Atmel’s AVR Studio® Version 4.07 or Above
Software Libraries and Application Notes
The AT90SC256144RCFT is a low-power, high-performance, 8-/16-bit microcontroller with ROM program memory,
EEPROM data memor y, based on the secureAVR enhanced RISC architecture and with a dual interface
By executing powerful instructions in a single clock cycle, the AT90SC256144RCFT 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 AT90SC256144RCFT uses the secureAVR architecture 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 and security features.
The AT90SC256144RCFT features 144K bytes of high-performance EEPROM (fast erase/write time, high endurance).This
allows system developers to offer their customers a true 128K bytes EEPROM, while still being able to use the remaining
16K bytes for their own purposes (customization and patches, for example). The ability to map the EEPROM in the code
space allows parts of the program memory to be reprogrammed in-system.
The cryptographic accelerator featured in the AT90SC256144RCFT is the new AdvX, a N-bit multiplier-accumulator
dedicated to performing fast encryption and authentication functions. All cryptographic routines are executed on the
secureAVR core which uses the AdvX accelerator during encryption/decryption. AdvX is based on a 32-bit technology, thus
enabling fast computation and low power operation. AdvX supports standard finite fields arithmetic functions (including
RSA, DSA and DH) and GF(2N) arithmetic functions (including ECC).
An AES 128 Engine is provided as an optional feature.
Additional security features include power, frequency and temperature protection logic, logical scrambling on program data
and addresses, power analysis countermeasures, and memory accesses controlled by a supervisor mode.
This product is specifically designed for Smart Cards and targets Access Control and ID applications.
A block diagram of the AT90SC256144RCF is shown in Figure 1
2 AT90SC256144RCFT

Features Datasheet pdf Features General • • • • • • • High-performance, Low-power secure AVR Enhanced RISC Architecture – 1 37 Powerful Instructions (Most Executed in a Single Clock Cycle) Low Power Idl e and Power-down Modes Bond Pad Locatio ns Conforming to ISO 7816-2 ESD Protect ion to ± 6000V Operating Ranges: 2.7V to 5.5V Compliant with ICAO and FIPS201 Specifications, GSM and EMV2000 Specif ications Available in Wafers, Contact M odules, Dual Interface Modules, Full Co ntactless Modules or Inlays and Industr y-standard Packages Contactless Mode R F Contactless Interface with Full Suppo rt for ISO/IEC 14443 Type A and B Proto cols Supply Voltage Clamp and Regulatio n Full-bridge Power Rectification On-ch ip Tuning Capacitance: 10 pF up to 120 pF 13.56 MHz Clock Extraction Internal Bus Maximum Frequency: 3.4 MHz (Externa l clock) or 40MHz (Internal clock) Read er-to-card: – ISO/IEC Type A: 100% AS K Modulation and Modified Miller Bit Co ding – ISO/IEC Type B: 10% ASK Modulation and NRZ Bit Coding • Card-to-reader: – ISO.
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