features ? smart card interface ? compliance with standards ? iso/iec 7816-1, 2, 3 and 4 ? emv 2000 ? cb ? mondex ? , proton, zka, other: contact gemplus ? ? supported smart cards ? number of smart cards supported: 1 ? asynchronous cards: t=0 and t=1 ? synchronous/memory cards using a command interpreter ? emv or non emv cards ? electrical interface ? transmission speed: 9.6 kbps to 115 kbps ? card power supply: 1.8v/3v/5v ? esd protection on card pins: 4 kv - human body model ? card presence or insertion detection ? short circuit cu rrent limitation ? host interface ? physical layer ? serial asynchronous link ? programmable transmission speed from 1,200 bps to 115,200 bps ? format: 8 bits, no parity, 1 stop bit ? adjustable signal voltage ?protocol ? gemplus block protocol (gbp) ? gbp interface library kit source code ? chip power supply ?voltage: v cc - 2.85v to 5.4v ? consumption: 8 ma typical, 150 ma max - smart card powered ? power down mode ? 100 a max power down current ? power-down/power-up by host command ? additional features ? operating temperature range: 0c to +70c (-40c to +85c) ? package: ss0p24 ? led management: the led is on when the card is powered on description at83c21gc is designed to simplify the integration of smart card interfaces in elec- tronic devices. it manages the electrical interface and communication with iso 7816 ?1/2/3/4 com- patible smart cards and memory cards. figure 1. basic architecture of a smart card reader host processor at83c21gc smart card connector smart card gemcore serial lite pro at83c21gc summary this is a summary document. a complete document is available on the gemplus web site. www.gemplus.com
2 4247cs?scr?11/05 at83c21gc the connection with the host processo r is achieved via a serial asyn chronous link; the rate can be selected from a range from 1200 to 115,200 bps. the software inside the gemcore chip handles a communication protocol with the host system called the gemplus block protocol (gbp). a complete set of documentation is available on the gemplus web site: http://www.gemplus.com. a gbp interface library kit can be provided, upon re quest. it consists of the source code of the gbp communication layer between the host and gemc ore. it is written in the c language. see the gemplus developers? site at www.gemp lus.com. enquiries can also be posted to cardreader@atmel.com.
3 4247cs?scr?11/05 at83c21gc ordering information xxx : firmware version part number temperature range package packing at83c21gcxxx-icsil industrial ssop24 stick at83c21gcxxx-icril industrial ssop24 tape & reel at83c21gcxxx-icsul industrial & green ssop24 stick AT83C21GCXXX-ICRUL industrial & green ssop24 tape & reel
4 4247cs?scr?11/05 at83c21gc pin description figure 2. 24-pin ssop pinout p1.1/cc8 p1.4/cclk p1.0/cio rst p1.5/crst 1 p1.3/cc4 p1.2/cpres xtal1 p3.3/int1/oe p3.2/int0 p3.4/t0 p3.5/cio1/t1 li c v cc cvss v cc e v cc vss p3.0/rxd p3.1/txd 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 p3.6/cclk1/led0 xtal2 p3.7/crst1/led1 d v cc ssop24 table 1. port signal description port signal name internal power supply esd type description p1.0 cio cv cc 4 kv i/o smart card interface function card i/o ? pull-up medium is lower than 20k p1.1 cc8 cv cc 4 kv i/o smart card interface function card contact 8 ? pull-up medium must be less than 20k p1.2 cpres v cc 4 kv i smart card interface function card presence p1.3 cc4 cv cc 4 kv i/o smart card interface function card contact 4 ? pull-up medium must be less than 20k p1.4 cclk cv cc 4 kv o smart card interface function card clock p1.5 crst cv cc 4 kv o smart card interface function card reset ? pull-up medium must be less than 20k p3.0 rxd ev cc i uart function receive data input p3.1 txd ev cc o uart function transmit data output. p3.2 int0 dv cc i/o input/output function p3.2 is a bi-directional i/o port with internal pull-ups. p3.3 int1 ev cc i/o input/output function p3.3 is a bi-directional i/o port with internal pull-ups. p3.4 ev cc i/o input/output function p3.4 is a bi-directional i/o port with internal pull-ups. p3.5 cio1 dv cc i/o alternate card function card i/o: pull-up medium must be less than 20k
5 4247cs?scr?11/05 at83c21gc p3.6 cclk1 dv cc o led function these pins can be directly connected to the cathode of the standard led without external current limiting resistors. the typical current of each output can be programmed by software to 2, 4 or 10 ma (ledcon register). p3.7 crst1 dv cc i/o input/output function p3.7 is a bi-directional i/o port with internal pull-ups. rst v cc i/o reset input holding this pin low for 64 oscillator periods while the oscillatoris running resets the device. the port pins are driven to thei r reset conditions when a voltage lower than v il is applied, whether or not t he oscillator is running. this pin has an internal pull-up resistor which allows the device to be rese t by connecting a capaci tor between this pin and vss. asserting rst when the chip is in idle mode or power-down mode returns the chip to normal operation. the output is ac tive for at least 12 oscillator periods when an internal reset occurs. xtal1 v cc i input to the on-chip inverting oscillator amplifier to use the internal oscillator, a cr ystal/resonator ci rcuit is connected to this pin. if an external oscillator is used, its output is connected to this pin. xtal2 v cc o output of the on-chip inverting oscillator amplifier to use the internal oscillator, a cr ystal/resonator ci rcuit is connected to this pin. if an external oscillator is used, xtal2 may be left unconnected. v cc pwr supply voltage v cc is used to power the internal voltage regulators and internal i/o?s. li pwr dc/dc input li must be tied to v cc through an external coil (typically 4, 7 h) and provide the current for the pump charge of the dc/dc converter. cv cc pwr card supply voltage cv cc is the programmable voltage output for the card interface. it must be connected to an external decoupling capacitor. dv cc pwr digital supply voltage dv cc is used to supply the digital core and inter nal i/os. it is internally connected to the output of a 3v regulator and must be connec ted to an external decoupling capacitor. ev cc v cc pwr extra supply voltage ev cc is used to supply the level shifters of uart interface i/o pins. it must be connected to an external decoupling capacito r. this reference voltage is generated internally (automatically or not), or it can be connected to an external voltage reference. cvss gnd dc/dc ground cvss is used to sink high shunt cu rrents from the external coil. vss gnd ground table 1. port signal description (continued) port signal name internal power supply esd type description
printed on recycled paper. 4247cs?scr?11/05 ? atmel corporation 2005 . all rights reserved. atmel ? , logo and combinations thereof, are registered trademarks, and everywhere you are sm are the trademarks of atmel corporation or its subsidiari es. other terms and product names may be trademarks of others. disclaimer: the information in this document is provided in con nection with atmel products. no li cense, express or implied, by estoppel or otherwise,to anyintellectu- alproperty right is granted by this document or in connection with the sale of atmel products. except as set forth in atmel?s terms and condi-tions of sale located on atmel?s web site, atmel assumes no liability whatsoever and disclaims any express, implied or statutorywar- ranty relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particu- larpurpose, or non-infringement. in no event shall atmel be liable for any direct, indirect, consequential, punitive, special or inciden-tal damages (including, without limitation, damages fo r loss of profits, business interruption, or loss of informa- tion) arising outof the use or inability to use this document, even if atmel has been advised of the possibility of such dam- ages. atmel makes norepresentationsor warranties with respect to the ac curacy or completeness of the contents of this document and re serves the right to make changes to specificationsand product descrip tions at any time without notice. atmel does not make any commitment to update the information contained herein. unless specifically provid ed otherwise, atmel products are not suitable for, and shall not be used in, automotive applications. atmel?s products are not intended, authorized, or warranted for useas components in applications intended to support or sustainlife. atmel corporation atmel operations 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 487-2600 regional headquarters europe atmel sarl route des arsenaux 41 case postale 80 ch-1705 fribourg switzerland tel: (41) 26-426-5555 fax: (41) 26-426-5500 asia room 1219 chinachem golden plaza 77 mody road tsimshatsui east kowloon hong kong tel: (852) 2721-9778 fax: (852) 2722-1369 japan 9f, tonetsu shinkawa bldg. 1-24-8 shinkawa chuo-ku, tokyo 104-0033 japan tel: (81) 3-3523-3551 fax: (81) 3-3523-7581 memory 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 436-4314 microcontrollers 2325 orchard parkway san jose, ca 95131, usa tel: 1(408) 441-0311 fax: 1(408) 436-4314 la chantrerie bp 70602 44306 nantes cedex 3, france tel: (33) 2-40-18-18-18 fax: (33) 2-40-18-19-60 asic/assp/smart cards zone industrielle 13106 rousset cedex, france tel: (33) 4-42-53-60-00 fax: (33) 4-42-53-60-01 1150 east cheyenne mtn. blvd. colorado springs, co 80906, usa tel: 1(719) 576-3300 fax: 1(719) 540-1759 scottish enterprise technology park maxwell building east kilbride g75 0qr, scotland tel: (44) 1355-803-000 fax: (44) 1355-242-743 rf/automotive theresienstrasse 2 postfach 3535 74025 heilbronn, germany tel: (49) 71-31-67-0 fax: (49) 71-31-67-2340 1150 east cheyenne mtn. blvd. colorado springs, co 80906, usa tel: 1(719) 576-3300 fax: 1(719) 540-1759 biometrics/imaging/hi-rel mpu/ high speed converters/rf datacom avenue de rochepleine bp 123 38521 saint-egreve cedex, france tel: (33) 4-76-58-30-00 fax: (33) 4-76-58-34-80 literature requests www.atmel.com/literature
|
