1 8-bit microcontroller with 16k eeprom, dual interface, and advanced security features AT05SC3216RF preliminary summary rev. 1534as?04/00 features general 0.35 process technology industry-standard m68hc05 instruction set, including: 8 x 8 bits unsigned multiply instruction, true bit manipulation, memory-mapped i/o operating voltage: 3.0v 10% or 5.0v 10% meets gsm 11.11 & 11.12 specifications 5.0 mhz maximum internal bus frequency at 3.0v and 5.0v esd protection to 4000v bond pad layout conforming to iso standard iso 7816/2 external maskable interrupt on iso standard i/o port (pa0) power-saving wait and very low power stop modes power-up detection available as sawn or unsawn wafers contactless mode rf contactless interface with full support for iso 14443 type b protocol supply voltage clamp and regulation full-bridge power rectification 3.4 mhz maximum cpu clock frequency 13.56 mhz clock extraction memory-mapped rf i/o port card-to-reader ? modulation of incoming rf carrier by load switching ? generation of 847.5 khz subcarrier with bpsk modulation ? nrz-l or manchester data encoding eeprom 16320 bytes of on-chip user eeprom plus 64 security bytes 64-byte write/program/erase 1 ms program time, 1 ms erase time 10 years data retention typically more than 1,000,000 write/erase cycles on-chip charge pump for eeprom programming driven by an internal oscillator ram and rom 32752 bytes of on-chip user rom plus 16 bytes reserved for vectors 1536 bytes of on-chip ram with security wipe on selected areas peripherals single bidirectional i/o line (1-bit iso 7816/3 standard i/o port) interrupt driven serial communications interface (sci) with transmit/receive speeds of up to 1.25 mbit/s time base circuitry (with preset and maskable interrupt capabilities) watchdog capability hardware des module (capable of single encryption or decryption in 16 clock cycles) crc module (allowing generation of checksums (iso/iec 3309)) random number generator note: this is a summary document. a complete document is available under nda. for more information, please contact your local atmel sales office.
? atmel corporation 2000. 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 a re not authorized for use as critical components in life support devices or systems. atmel headquarters, 2325 orchard parkway, san jose, ca 95131, tel (408) 441-0311, fax (408) 487-2600 atmel colorado springs, 1150 e. cheyenne mtn. blvd., colorado springs, co 80906, tel (719) 576-3300, fax (719) 540-1759 atmel rousset, zone industrielle, 13106 rousset cedex, france, tel (33) 4-4253-6000, fax (33) 4-4253-6001 atmel smart card ics, scottish enterprise technology park, east kilbride, scotland g75 0qr, tel (44) 1355-357000, fax (44) 1355 -242743 printed on recycled paper. features (continued) security dedicated hardware to resist power analysis attacks featureless rom low and high voltage monitors low and high temperature monitors low frequency monitor high frequency filter/monitor advanced physical barrier to enhance tamper resistance illegal address reset illegal opcode reset memory partitioning with address lockout reset scrambling logic tamper monitor physical removal of test mode when testing is complete development tools hardware emulation module (for the motorola mmds05 development system) software simulator based on hiware?s hi-wave product description the AT05SC3216RF is a new member of atmel?s at05sc family of single chip microcontrollers. designed specifically for embedded conditional access systems and other secu- rity conscious systems, these devices are based on the industry-standard m68hc05 low-power core and its instruction set, and are manufactured in atmel?s standard 0.35 process technology. the AT05SC3216RF is designed to give a high level of protection against physical attack, and includes hardware features to assist in protecting against spa and dpa attacks. on-board des, crc and rng modules are pro- vided to assist in the design of high-security applications. on-board memory comprises 32k bytes of rom, 1.5k bytes of ram and 16k bytes of eeprom. the eeprom features 64-byte write, 1 ms program time, 1 ms erase time, typically more than 1,000,000 write/erase cycles, and greater than 10 years data retention. the AT05SC3216RF has on-board contact and contactless interfaces, and is designed in accordance with the iso standards for integrated circuit cards (iso 7816 and iso 14443), and with gsm specifications 11.11 and 11.12, where appropriate. an on-board serial communications interface is also provided. application areas for the AT05SC3216RF include dual interface multifunction cards, e.g. transport card plus electronic purse/bank card. block diagram notes: 1. a sampling/smoothing algorithm must be used in conjunction with the rng to obtain statistically ran- dom results across all operating conditions. pa 0 port a interrupt m68hc05 cpu 4/2/1 reset clk vdd vss ddra security logic time base and watchdog charge crc module control logic oscillator pump eeprom des module control sci rf modulator, power and clock rf2 rf1 dpa logic random number generator (rng) (1) user eeprom ? 16320 bytes (plus 64 control bytes) user rom ? 32752 bytes (plus 16 bytes for vectors) ram ? 1536 bytes 1534as?04/00/xm marks bearing ? and/or ? are registered trademarks and trademarks of atmel corporation. terms and product names in this document may be trademarks of others.
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