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features ? low-power, low-voltage cmos rectifier, voltage limiter, cloc k extraction on-chip (no battery) small size factory laser programmable rom operating temperature range ?40c to +125c radio frequency (rf): 100 khz to 450 khz transmission options ? code length: 128, 96, 64, 32 bits ? bitrate [bit/s]: rf/8, rf/16, rf/32, rf/40, rf/50, rf/64, rf/80, rf/100, rf/128 ? modulation: fsk, psk, biph, manchester, biph-fsk fdx-b compatible coding po ssible (iso 11784/ iso 11785) 1. description the e5530 is part of a closed coupled identif ication system. it receives power from an rf transmitter which is coupled inductively to the idic ? . the frequency is typically 100 khz to 450 khz. receiving rf, the idic responds with a data stream by damping the incoming rf via an internal load. this damping-in-turn can be detected by the interrogator. the identifying data are stored in a 128-bit prom on the e5530, realized as an array of laser-programmable fuses. the logic block diagram for the e5530 is shown in figure 1-2 on page 2 . the data are output bit-serially as a code of length 128, 96, 64 or 32 bits. the chips are factory-programmed with a unique code. figure 1-1. application rf transmitter and interrogator idic e5530 rf id 128-bit read-only idic ? for rf identification e5530 rev. 4508c?rfid?08/05
2 4508c?rfid?08/05 e5530 figure 1-2. block diagram r7 r6 r5 r4 r3 r2 r1 r0 row decoder c15 c14 c13 c12 c11 c10 c9 c8 c7 c6 c5 c4 c3 c2 c1 c0 column decoder a2 a1 a0 a6 a5 a4 a3 counter modulator fsk psk biph manchester bitrate data load clock extractor rectifier mod clk analog front end coil coil v dd v ss 128-bit prom
3 4508c?rfid?08/05 e5530 2. chip dimensions figure 2-1. chip size 3. pin configuration figure 3-1. pinning so8 note: pins 2 to 7 have to be open. they are not specified for applications. 1.17 mm 1.62 mm coil1 coil2 0.447 mm 0.175 mm pad: 150 (metal: 99% al, 1% si) padwindow: 138 x 138 e5530 thickness: 15 mils table 3-1. pin description name pad window function coil1 138 138 m 2 1st coil pad coil2 138 138 m 2 2nd coil pad coil1 coil2 1 2 3 4 8 7 6 5 ata5530
4 4508c?rfid?08/05 e5530 4. functional description 4.1 read operation after power up, once the e5530 has detected the incoming rf field, the ic continuously trans- mits the identification code as l ong as the rf signal is applied. the transition from the last bit to bit 1 of the next sequence occurs without interruption. data is transmitted by damping the incom- ing rf signal by an internal load. these load changes are detected by the reader station. different kinds of modulation and bitrates are optionally available. 4.2 rectifier for internal power supply, an on-chip bridge rect ifier is used which consists of two diodes and two n-channel transistors. a zener diode, which protects the circuit against overvoltage on the coil inputs, and a smoothing capacitor for the internal supply are also provided. 4.3 damping load incoming rf will be damped by the power consumpti on of the ic itself and by an internal load, which is controlled by the modulator. the loads are p-channel transistors connected between v dd and the coil inputs. the idic includes mask options for the load circuit: single-side, doubl e-side and alternate-side modulation. there are four modulation methods available which can be selected by fuses. the corresponding timing diagram is shown in figure 4-1 on page 5 . 4.4 fsk modulation logical data ?1? and ?0? are represented as two different frequencies of damping. the frequency for ?1? is rf divided by 10, a ?0? divides rf by 8. 4.5 psk modulation the external coil is damped with a carrier frequen cy of rf/2. a logical ?1? causes (at the end of the bit period) a 180 phase shift on the carrier frequency, while a logical ?0? causes no phase shift. 4.6 biphase modulation logical ?1? produces a signal which is the same as the internal bitclock. a logical ?0? produces no signal change in the middle of the bit period. 4.7 manchester modulation a logical ?1? causes a rising edge in the middle of a bit period (i.e., switch damping off), while a logical ?0? causes a falling e dge (i.e., switch damping on). a combination of biphase- and fsk-modulation is also optionally available. the available com- binations between the modulation types and the bitrates are shown in table 4-1 on page 5 ?transmission options?.
5 4508c?rfid?08/05 e5530 figure 4-1. timing diagram for modulation options 4.8 reading distances the e5530 is able to operate from very weak fields. nevertheless, there are some general rules which influence the achievable reading distance. best results are accomplished when the transponder points towards the reader coil. the transponder should not be embedded in metal, which will reduce the applicable magnetic field and thus the reading distance. the strength of the generated magnetic field and the sensitivity of the demodulator are the most important factors for a good reading distance. figure 4-2. example for a 64-bit code table 4-1. transmission options modulation carrier frequency (cf) bitrate [bit/s] fsk rf/8, rf/10 rf/32, rf/40, rf/5 0, rf/64, rf/80, rf/100, rf/128 psk rf/2 cf/4, 8, 16, 32 biphase rf/8, rf/16, rf/3 2, rf/64, rf/100, rf/128 manchester rf/8, rf/16, rf/32, rf/64, rf/100, rf/128 bitclk data psk fsk biph man 1 11 1 000 e6 header 56-bit id code 00 00 00 10 2d 72 5d
6 4508c?rfid?08/05 e5530 the identification code is transmitted continuously. after the rf field is applied, the e5530h-232 starts with the first bit (msb) of the header byte ?e6hex? (?1110 0110?), followed by a unique 56-bit serial number. no checksum is included in this sample code. pulsing the rf field may reduce the synchronization task as the first byte transmitted is known already (i.e., e6hex). this is even feasible, if the first bit may be lost due to reader synchroniza- tion problems. 4.9 customer id code selection in general the customer may choose any id code suitable to his application. to avoid code duplication, atmel will define a fi xed header ? i.e, the first 8 bits of the code ? for each customer. 4.10 modes of operation ? options for any new product variant, the customer has to select the following operation options which are configured in the laser rom as well: bitrate, which is defined as field clocks per bit (e.g., rf/40 = 125 khz/40 = 3.125 kbit/s) (see table table 4-1 on page 5 ?transmission options?) modulation method (see figure 4-1 on page 5 ) code length: 32, 64, 96 or 128 bits for programming the id code into the laser rom, one of the following data has to be supplied: id code algorithm which is implemented in atmel?s code ma nagement software (atmel will generate the codes as requested) customer generated id codes on floppy disk or per email/ftp. the format has to comply to the following rules: ? the id code file is a plain ascii text file. ? the code files should be compressed. please make self extracting files. ? the code files are used in alphabetical order of their file names (including letters and numbers). used - i.e. programmed - code files are discarded. ? each line of the code file must contain one id code for one ic. ? the code is in hexadecimal format. the code may contain spaces for better readability. ? the code line is exactly as long as the selected code length (e.g. 64 bits 16 hex numbers). ? the line must end with a carriage return. ? the first 8 bits are fixed, this is the unique customer header which is defined by atmel. ? each hexadecimal code entry must be preceded by a decimal serial number. serial number and code must be separated by a space. ? the serial number has to be unique and is up-counting to avoid double programming. ? the series numbers of two consecutive files (file name!) has to count also for proper linking.
7 4508c?rfid?08/05 e5530 figure 4-3. example of two code files with header = e6 and 64-bit code length 00001 e65f34e25801904f 00002 e634e25801904faa 00003 e6910ag7000010fe ... ... 12345 e610abe4f9014821 12346 e6a04eb73087fcc0 12347 e60178dc00f03460 ... file0000.txt file0001.txt file name series number space necessary carriage return last cod e next code 8-bit header code file 5. absolute maximum ratings parameters symbol value unit maximum current into coil1 and coil2 i coil 10 ma maximum power dissipation (dice) p tot 100 mw (1) maximum ambient air temperature with voltage applied t amb ?40 to +125 c storage temperature t stg ?65 to +200 c note: 1. free-air condition. time of application: 1s stresses above those listed under ?absolute maximum ra tings? may cause permanent damage to the device. functional operation of the device at these conditions is not implied. 6. electrical characteristics t amb = 25c, reference terminal is v dd , operating voltage v dd ? v ss = 3v dc, unless otherwise specified no. parameters test conditions symbol min. typ. max. unit 1 operating voltage condition for logic test v ss ?1.5 ?5.0 v 2 operating temperature t amb ?40 125 c 3 input frequency (rf) f clk 100 450 khz 4 operating current f clk = 125 khz, v ss = ?2v i cc 3 (1) ma 5 clamp voltage i = 4 ma v cl 6.7 10 v note: 1. typical parameters repres ent the statistical mean values
8 4508c?rfid?08/05 e5530 figure 6-1. measurement setup for i dd figure 6-2. simplified damping circuit 7. application example figure 7-1. typical application circuit ~ coil1 coil2 v dd v ss = 2v i dd v pp coil at 1.5v coil1 mod coil2 100 ? ~ 2v ~ 2v 100 ? e5530 (so8) i ac 125 khz coil1 (pin 8) coil2 (pin 1) 2.2 nf to read amplifier input capacitance 5 pf static, 4 pf dynamic 390 pf 4.05 mh from oscillator energy data 740 h
9 4508c?rfid?08/05 e5530 notes: 1. - definition of customized part number ba sing on orders for first year volume (300 kpcs) - definition of header, id code, checksum etc. according to customers data base - 5.000 us$ initial cost for cu stomer specific laser-fusing - lead time 3 month - low volume customized applications may be covered by tk5551-pp programming. with identical features of tk5530h-zzz-pp possible 2. so8 in tape and reel, lead-free 8.1 order code the full order code for the e5530 is e5530h-zzz-pkg or e5530g-zzz-pkg , where zzz is a cus- tomer specific number defined by atmel. pkg (package) defines the delivery form: - dow factory programmed, tested unsawn, backlapped (15 mils) wafers - dit cutted chips in wafflepack ( d ice i n t ray) - taqy so8-packaged parts (taped and reeled, lead-free) samples : atmel supplies e5530 samples, which are set to manchester modulation at rf/32 with a 64-bit id code (order code: ata5530h-232-taqy (so8 in tape and reel, lead-free)) 8. ordering information extended type number package modulation data rate configuration checksum header id code spq (minimum volume) minimum order volume E5530H-232-DOW e5530h-232-dit ata5530h-232-taqy (2) dow dit so8 manchester rf/32 64-bit no checksum e6 fixed and unique code 10 kpcs 10 kpcs 1120 10 kpcs 10 kpcs 1120 e5530h-zzz-dow (1) e5530h-zzz-dit (1) ata5530h-zzz-taqy (1),(2) dow dit so8 defined by customer > 600 kpcs p.a. > 600 kpcs p.a. > 400 kpcs p.a.
10 4508c?rfid?08/05 e5530 9. package information 10. revision history technical drawings according to din specifications package so8 dimensions in mm 5.00 4.85 0.4 1.27 3.81 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2 85 14 please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. revision no. history 4508c-rfid-08/05 ? put datasheet in a new template ? first page: pb-free logo added ? first page 3: figure 3-1 changed ? page 9: ordering information changed
printed on recycled paper. 4508c?rfid?08/05 ? atmel corporation 2005 . all rights reserved. atmel ? , logo and combinations thereof, everywhere you are ? and others, are registered trade- marks or 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 connection with atmel products. no license, express or implied, by estoppel or otherwise, to any intellectual property 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 statutor y warranty relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particu lar purpose, or non-infringement. in no event shall atmel be liable for any direct, indirect, conseque ntial, punitive, special or i nciden- tal damages (including, without limitation, damages for loss of profits, business interruption, or loss of information) arising out of the use or inability to use this document, even if at mel has been advised of the possibility of such damages. atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the ri ght to make changes to specifications and product descriptions at any time without notice. atmel does not make any commitment to update the information contained her ein. unless specifically provided otherwise, atmel products are not suitable for, and shall not be used in, automotive applications. atmel?s products are not int ended, authorized, or warranted for use as components in applications intended to support or sustain life. 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

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