July 2017 docid030806 rev 2 1/26 www.St.Com um2252 user manual getting started with the x-nucleo-nfc05a1 nfc card reader expansion board based on st25r3911b for stm32 nucleo introduction the x-nucleo-nfc05a1 nfc card reader expansion board is used to evaluate functions based on the st25r3911b, desig...
Getting started um2252 2/26 docid030806 rev 2 figure 1: x-nucleo-nfc05a1 expansion board.
Um2252 contents docid030806 rev 2 3/26 contents 1 getting started ................................................................................. 6 1.1 hardware requirements ..................................................................... 6 1.2 system requirements ...............................
List of tables um2252 4/26 docid030806 rev 2 list of tables table 1: interconnections between the x-nucleo-nfc05a1 expansion board and the nucleo-l476rg board (left side) ....................................................................................................................................
Um2252 list of figures docid030806 rev 2 5/26 list of figures figure 1: x-nucleo-nfc05a1 expansion board ..................................................................................... 2 figure 2: x-nucleo-nfc05a1 component placement ...............................................................
Getting started um2252 6/26 docid030806 rev 2 1 getting started connect the x-nucleo-nfc05a1 to an stm32 nucleo-64 development board. The pc usb port has to be capable of delivering at least 300 ma at 5 v supply. A demo software is available for download at www.St.Com to be programmed onto the stm32...
Um2252 board setup docid030806 rev 2 7/26 2 board setup to set up the board; 1 connect the x-nucleo-nfc05a1 expansion board to the stm32 nucleo board from the top through the arduino ® uno r3 connectors 2 power the stm32 nucleo board using a mini-b usb cable 3 program the firmware on the stm32 nucle...
Hardware um2252 8/26 docid030806 rev 2 3 hardware the x-nucleo-nfc05a1 expansion board allows the user to test the functionality of the st25r3911b ic a , which supports the reader/writer mode b . Program the microcontroller on the stm32 nucleo board. The st25r3911b ic module and the stm32 nucleo boa...
Um2252 hardware docid030806 rev 2 9/26 signal connector pin number nucleo-l476rg x-nucleo-nfc05a1 d12 5 pa6 miso_mcu d11 4 pa7 mosi_mcu d10 3 pb6 /ss_mcu d9 2 pc7 - d8 1 pa9 - d7 cn9 digital 8 pa8 mcu_led6 d6 7 pb10 - d5 6 pb4 mcu_led4 d4 5 pb5 mcu_led5 d3 4 pb3 - d2 3 pa10 - d1 2 pa2 - d0 1 pa3 - 3...
Hardware um2252 10/26 docid030806 rev 2 3.2 x-nucleo-nfc05a1 expansion board component placement figure 2: x-nucleo-nfc05a1 component placement.
Um2252 component description docid030806 rev 2 11/26 4 component description 4.1 st25r3911b device the st25r3911b-aqft is a highly integrated nfc initiator/hf reader ic embedding: the analog front end (afe) and a highly integrated data framing system for: iso 18092 (nfcip-1) initiator iso 18092 (nfc...
Component description um2252 12/26 docid030806 rev 2 figure 3: stm32 nucleo connector schematic diagram.
Um2252 component description docid030806 rev 2 13/26 4.2.2 st25r3911b schematic diagram the st25r3911b is directly connected to the filtered 5 v usb supply. There are additional supply filtering components placed close to the nfc/hf reader ic. Jumper jp200 can be used to measure the chip supply curr...
Component description um2252 14/26 docid030806 rev 2 figure 4: st25r3911b schematic diagram.
Um2252 component description docid030806 rev 2 15/26 4.2.3 antenna and matching network components this schematic diagram contains the matching network and the automatic antenna tuning capacitors as well as the alternative nfc forum matching components. In the default configuration, the x-nucleo-nfc...
Component description um2252 16/26 docid030806 rev 2 figure 5: matching circuit schematic diagram.
Um2252 component description docid030806 rev 2 17/26 4.3 pcb layout 4.3.1 pcb layers as the st25r3911b is a high power rf transmitter, the nfc reader layout must be done carefully. The decoupling capacitors are located as close as possible to the positive and negative power supply pins (for example ...
Component description um2252 18/26 docid030806 rev 2 4.3.3 mid layer 1 the mid layer 1 is a pure gnd plane. It provides a low ohmic dc path for the gnd connection. Figure 7: pcb layout mid layer 1 4.3.4 mid layer 2 mid layer 2 is used for power distribution. It contains the power planes for the st25...
Um2252 component description docid030806 rev 2 19/26 4.3.5 bottom layer the bottom layer is mainly gnd plane. Some traces are routed through the bottom plane. Figure 9: pcb layout bottom layer.
Bill of materials um2252 20/26 docid030806 rev 2 5 bill of materials table 4: x-nucleo-nfc05a1 bill of materials item q.Ty ref. Part/value description manufacturer order code 1 0 c202 dnm 2 0 j300 dnm 3 0 j301 dnm 4 0 jp200 dnm 5 0 c303, c306 dnm 6 0 j200, j202 dnm 7 1 c100 0402, 0.01 µf, 25 v, ± 10...
Um2252 bill of materials docid030806 rev 2 21/26 item q.Ty ref. Part/value description manufacturer order code 18 2 c300, c311 82 pf ±1% 50 v c0g, np0 0603 murata grm1885c1h820fa01d 19 2 c302, c309 180 pf ±2% 50 v c0g, np0 0603 murata grm1885c1h181ga01d 20 2 c302_nf cf, c309_nf cf 120 pf ±2% 50 v c0...
Bill of materials um2252 22/26 docid030806 rev 2 item q.Ty ref. Part/value description manufacturer order code 30 8 r101, r102, r103, r104, r105, r106, r205, r206 1 kohm, 50 v, 0402, >100 mw, ± 5% panasonic erj2gej102x 31 1 cn5 header 10x1_femal e samtec ssq-110-03-l-s 32 1 cn8 header 6x1_female sam...
Um2252 federal communications commission (fcc) and industry canada (ic) compliance docid030806 rev 2 23/26 6 federal communications commission (fcc) and industry canada (ic) compliance 6.1 fcc compliance statement 6.1.1 part 15.19 this device complies with part 15 of the fcc rules. Operation is subj...
Federal communications commission (fcc) and industry canada (ic) compliance um2252 24/26 docid030806 rev 2 tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. 6.2.3 ic id ic id: 8976a-nfc05a1.
Um2252 revision history docid030806 rev 2 25/26 7 revision history table 5: document revision history date version changes 06-jul-2017 1 initial release 31-jul-2017 2 added section 6.1.3: "part 15.105".
Um2252 26/26 docid030806 rev 2 important notice – please read carefully stmicroelectronics nv and its subsidiaries (“st”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to st products and/or to this document at any time without notice. Purchasers should...
