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== Reader Chip == === EM4095 === Use in an RFID basestation to perform the following functions: - antenna driving with carrier frequency - AM modulation of the field for writable transponder - AM demodulation of the antenna signal modulation induced by the transponder communicate with a microprocessor via simple interface. '''Features:''' * Integrated PLL system to achieve self adaptive carrier frequency to antenna resonant frequency * No external quartz required *100 to 150 kHz carrier frequency range * Multiple transponder protocol compatibility (e.g. EM400X, EM4050, EM4150, EM4070, EM4170, EM4069) * Sleep mode 1µA * USB compatible power supply range * Small outline plastic package SO16 or PSOP2 16 [[文件:EM4095-125KHz-sch.png]] [[文件:EM4095-PCB.png]] http://www.emmicroelectronic.com/products/rf-identification-security/rf-reader-ics/em4095 * [http://www.advanide.com/wp-content/uploads/products/rfid_reader_ics/EM4095.pdf EM4095 Datasheet] * [http://www.emmicroelectronic.com/sites/default/files/public/products/datasheets/an404.pdf EM4095 APP Note] <br><br> === MFRC522 === The MFRC522 supports all variants of the MIFARE Mini, MIFARE 1K, MIFARE 4K, MIFARE Ultralight, MIFARE DESFire EV1 and MIFARE Plus RF identification protocols. '''Features:''' * Support RFID frequency 13.56MHz * Supports ISO/IEC 14443 A/MIFARE and NTAG * Typical operating distance in Read/Write mode up to 50 mm depending on the antenna size and tuning * Supports MF1xxS20, MF1xxS70 and MF1xxS50 encryption in Read/Write mode * Supports ISO/IEC 14443 A higher transfer speed communication up to 848 kBd * Supports MFIN/MFOUT * SPI up to 10 Mbit/s * I2C-bus interface up to 400 kBd in Fast mode, up to 3400 kBd in High-speed mode * RS232 Serial UART up to 1228.8 kBd, with voltage levels dependant on pin voltage supply * Power-down by software mode * Internal oscillator for connection to 27.12 MHz quartz crystal * 2.5 V to 3.3 V power supply [http://www.nxp.com/documents/data_sheet/MFRC522.pdf RC522 Datasheet] <br><br> == Antenna == * http://ww1.microchip.com/downloads/en/AppNotes/00678b.pdf * http://ww1.microchip.com/downloads/en/appnotes/00710c.pdf * http://www.sonnetsoftware.com/support/files/appnote/SAN-206A%20RFID%20Antenna%20Design%200602.pdf * https://www.sabanciuniv.edu/mdbf/telecom/eng/RWL/report.pdf <br><br> == Card Chip == '''UHF:''' * [http://upload.digoodcms.com/30/editor_9_ALN-9640.pdf ALN-9640.pdf] * [http://upload.digoodcms.com/30/editor_61_ALN-9662.pdf ALN-9662.pdf] * [http://upload.digoodcms.com/30/editor_80_UC-CODE%20G2XM-XL.pdf UC-CODE G2XM-XL.pdf] '''HF (e.g. 13.56MHz):''' * [http://upload.digoodcms.com/30/editor_66_NXP%20series.pdf NXP series.pdf] * [http://upload.digoodcms.com/30/editor_56_Mifare%201%20S50.pdf Mifare 1 S50.pdf] * [http://upload.digoodcms.com/30/editor_56_Mifare%20Ultralight%20C.pdf Mifare Ultralight C.pdf] * [http://upload.digoodcms.com/30/editor_56_NTAG213_215_216.pdf NTAG213_215_216.pdf] * [http://upload.digoodcms.com/30/editor_66_TOPAZ-BCM20203T512%20wafer%20ds.pdf TOPAZ-512 wafer ds.pdf] '''LF (e.g. 125KHz):''' * [http://upload.digoodcms.com/30/editor_80_ATA5577.pdf T5577.pdf] * [http://upload.digoodcms.com/30/editor_80_Hitag-s.pdf HiTAG-S.pdf] * [http://upload.digoodcms.com/30/editor_80_EM4205-4305_DS.pdf EM4205-4305_DS.pdf ] <br><br> == Reference == <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br> <br><br>
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