{"id":33164,"date":"2020-05-29T17:49:05","date_gmt":"2020-05-29T09:49:05","guid":{"rendered":"\/blog\/?p=33164"},"modified":"2020-05-29T17:49:07","modified_gmt":"2020-05-29T09:49:07","slug":"which-is-best-rfid-nfc-mifare-chip-selection-guide-rc522-vs-pn532","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2020\/05\/29\/which-is-best-rfid-nfc-mifare-chip-selection-guide-rc522-vs-pn532\/","title":{"rendered":"Which is best? RFID\/NFC\/Mifare chip selection Guide &#8211; RC522 vs PN532"},"content":{"rendered":"\n<p>Simply put, the protocol supports more types of PN than the RC series. PN supports NFC protocol, RC mainly supports ISO14443A \/ B.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"922\" height=\"428\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/05\/image-103.png\" alt=\"\" class=\"wp-image-33165\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-103.png 922w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-103-300x139.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-103-768x357.png 768w\" sizes=\"(max-width: 922px) 100vw, 922px\" \/><\/figure>\n\n\n\n<p>RC522 is a high-frequency radio frequency chip that supports <strong>ISO14443A<\/strong> protocol of NXP company.\u00a0<\/p>\n\n\n\n<p>PN532 is a radio frequency chip that supports NFC function and is also NXP company.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RC522 features<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u25c6 Highly integrated modulation and demodulation circuit;<\/li><li>\u25c6 A small number of external devices can be used to connect the output driver stage to the antenna;<\/li><li>\u25c6 Support ISO \/ IEC 14443 TypeA and MIFARE\u00ae communication protocol;<\/li><li>\u25c6 The communication distance with ISO 14443A \/ MIFARE\u00ae in the reader mode is up to 50mm, depending on the length and tuning of the antenna.<\/li><li>\u25c6 Supports ISO 14443 212kbit \/ s and 424kbit \/ s higher transmission rate communication.<\/li><li>\u25c6 Support MIFARE\u00ae Classic encryption;<\/li><li>\u25c6 Supported host interface:<\/li><li>\uff0d10Mbit \/ s SPI interface<\/li><li>\uff0dI2C interface, the speed of fast mode is 400kbit \/ s, and the speed of high-speed mode is 3400kbit \/ s<\/li><li>\uff0dSerial UART, the transmission rate is up to 1228.8kbit \/ s, the frame depends on the RS232 interface, the voltage level depends on the provided pin voltage<\/li><li>\u25c6 64-byte send and receive FIFO buffer;<\/li><li>\u25c6 Flexible interrupt mode;<\/li><li>\u25c6 Programmable timer.<\/li><li>\u25c6 It has three power-saving modes: hardware power down, software power down, and transmitter power down. The first two modes are similar to MFRC500 and CL RC400. Its unique &#8220;transmitter power down&#8221; can turn off the internal antenna driver, that is, turn off the RF field;<\/li><li>\u25c6 Built-in temperature sensor to automatically stop RF transmission when the chip temperature is too high;<\/li><li>\u25c6 Adopt multiple independent sets of power supply to avoid mutual interference between modules and improve the stability of work;<\/li><li>\u25c6 With CRC and parity check functions, the 16-bit long CRC calculation polynomial of the CRC coprocessor is fixed as: x16 + x12 + x5 + 1, which conforms to ISO \/ 1EC14443 and CCTITT protocols;<\/li><li>\u25c6 Internal oscillator, connected to 27.12MHz crystal;<\/li><li>\u25c6 2.5 \uff5e 3.3V low voltage and low power consumption design;<\/li><li>\u25c6 Working temperature range -30 \uff5e + 85 \u2103;<\/li><li>\u25c6 5mm &amp; TImes; 5mm &amp; TImes; 0.85mm ultra-small volume.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"933\" height=\"620\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/05\/image-104.png\" alt=\"\" class=\"wp-image-33166\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-104.png 933w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-104-300x199.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-104-768x510.png 768w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-104-675x450.png 675w\" sizes=\"(max-width: 933px) 100vw, 933px\" \/><figcaption>RC522<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">PN532 features<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u25cf 80C51 microcontroller core with 40kBROM and 1kBRAM<\/li><li>\u25cf Highly integrated analog circuit, demodulation and decoding response<\/li><li>\u25cf The output buffer driver is connected to the antenna through a minimum number of external passive devices<\/li><li>\u25cf Integrated RF field detector<\/li><li>\u25cf Integrated data pattern detector<\/li><li>\u25cf Support ISO \/ IEC14443A \/ MIFARE\u00ae<\/li><li>\u25cf Support ISO \/ IEC14443B only in reader mode<\/li><li>\u25cf The typical working distance exceeds 50mm in the reader mode, the specific distance is determined by the antenna size, tuning and power supply<\/li><li>\u25cf Working distance up to 50mm in NFCIP-1 mode, depending on antenna size, tuning and power supply<\/li><li>\u25cf The typical working distance in card operation mode is about 100mm, the specific distance is determined by the antenna size, tuning and external field strength<\/li><li>\u25cf In the reader mode, support MifareClassic encryption, can support two higher data transmission rates of 212kbit \/ s and 424kbit \/ s<\/li><li>\u25cf In FeliCa mode, support communication baud rate of 106kbit \/ s, 212kbit \/ s and 424kbit \/ s<\/li><li>\u25cf Integrated NFCIP-1 RF interface, transmission rate up to 424kbit \/ s<\/li><li>\u25cf Support host interface:<\/li><li>-SPI interface<\/li><li>-I2C interface<\/li><li>-Serial UART<\/li><li>\u25cf Flexible interrupt mode<\/li><li>\u25cf Low power consumption mode-hardware power-down mode-software power-down mode<\/li><li>\u25cf When the device is in power-down mode, it can automatically wake up through the I2C, HSU and SPI interfaces<\/li><li>\u25cf Programmable timer<\/li><li>\u25cf Quartz crystal oscillator<\/li><li>\u25cf 2.7V ~ 5.5V power supply<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-NFC.html\"><img decoding=\"async\" width=\"743\" height=\"565\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/05\/image-105.png\" alt=\"\" class=\"wp-image-33167\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-105.png 743w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/05\/image-105-300x228.png 300w\" sizes=\"(max-width: 743px) 100vw, 743px\" \/><\/a><figcaption><a href=\"https:\/\/www.seeedstudio.com\/Grove-NFC.html\">Grove &#8211; NFC (PN532)<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Make a choice<\/h2>\n\n\n\n<p>if you only need the ISO14443A protocol, then RC522 is a very cost-effective option, but if you want to support more protocols such as NFC, you should choose the PN532 solution<br><\/p>\n\n\n\n<p>NXP PN532 RC522 Review by  lez briddon  on YouTube \u2193 \u2193  \u2193 <\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"NXP PN532 RC522 Arduino or Raspberry PI Board NFC RFID Module  13.56mhz ring card tag i2c iic spi\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/CMTPWwRxgQg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Simply put, the protocol supports more types of PN than the RC series. PN supports<\/p>\n","protected":false},"author":2735,"featured_media":33165,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"iawp_total_views":0,"footnotes":""},"categories":[1],"tags":[215,2321,2266,2267,28,1864,1869,1866],"class_list":["post-33164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-nfc","tag-nfc-hat","tag-pn532","tag-pn532-arduino","tag-rfid","tag-rfid-arduino","tag-rfid-arduino-tutorial","tag-rfid-scanner"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which is best? 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