1 features general ? high-performance, low-power avr ? enhanced risc architecture ? 120 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: from 2.7v to 3.3v and 4.5v to 5.5v compliant with gsm, 3gpp and emv specifications available in wafers, modules and industry-standard packages memory 32k bytes of eeprom, including 64-byte otp area and 64-byte bit-addressable area ? 1 to 128-byte program/erase ? 2 ms program, 2 ms erase ? typically more than 500,000 write/erase cycles ? 10 years data retention 64k bytes of rom program memory 2k bytes ram peripherals i/o port ? configurable to support communication protocols including iso 7816-3 16-bit timer random number generator (rng) 2-level, 8-vector interrupt controller security advanced protection against physical attack environmental protection systems voltage monitor frequency monitor secure memory management/access protection (supervisor mode) spa/dpa counter measures development tools hardware development support on voyager emulation platform (atv1) iar system c-spy ? debugger software libraries and application notes secure microcontroller for smart cards AT90SC6432R summary rev. 1555bs?smic?11/02 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 2002. atmel corporation makes no warranty for the use of its products, other than those expressly contained in the com- pany?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 com- pany in connection with the sale of atmel products, expressly or by implication. atmel?s products are not authorized for use as critical compo- nents in life support devices or systems. corporate 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 grenoble, avenue de rochepleine, bp 123, 38521 saint-egreve cedex, france, tel (33) 4-7658-3000, fax (33) 4-7658-3480 atmel heilbronn, theresienstrasse 2, pob 3535, d-74025 heilbronn, germany, tel (49) 71 31 67 25 94, fax (49) 71 31 67 24 23 atmel nantes, la chantrerie, bp 70602, 44306 nantes cedex 3, france, tel (33) 0 2 40 18 18 18, fax (33) 0 2 40 18 19 60 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) 1355-357-000, fax (44) 1355-242-743 printed on recycled paper. description the AT90SC6432R is a low-power, high-performance, 8-bit/16-bit microcontroller with rom and eeprom memory, based on the avr enhanced risc architecture. by executing powerful instructions in a single clock cycle, the AT90SC6432R 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. on top of the 64k bytes of embedded rom, the AT90SC6432R includes 32k bytes of atmel?s high density eeprom. 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-bit/16-bit microcontroller provides a highly flexible and cost-effective solution to many smart card applications. the 8-bit/16-bit microcontroller provides extended indirect addr essing capabilities, including 16-bit pointers, for large mem- ory addressing. figure 1. the AT90SC6432R avr enhanced risc architecture instruction decoder 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-bit 16-bit 16-bit 8-bit 8-bit 8-bit rom program memory 1555bs?smic?11/02 atmel ? and avr ? are the registered trademarks of atmel. c-spy ? is the registered trademark of iar systems. other terms and product names may be the trademarks of others.
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