ST25 NFC/RFID tags and readers

Resolved! St25R3911B Power Down mode

Hi , in ST25R3911B , as mentioned in datasheet in section 3.4 Electrical specifications, Table 10.1 , to enable the power down mode , setting following registers , will it make to power down mode ?"Register 00h set to 0Fh(no clock on MCU_CLK), regist...

Resolved! ST25DV Problem when trying to read register, NACK received when sending the address MSB .

Hi,I have an ST25-ANT and I'm trying to make it work on a Nucleo F070RB. When I send the I2C Start there is no problem the device is recognized but then I try to send the MSB of the address and a NACK appears, I don't understand why the ST25DV takes ...

Resolved! Compile Errors Importing X-CUBE-NFC5 package

Hello,I am attempting to integrate the X-CUBE-NFC5 package with an existing project using a STM32F469II MCU and IAR. I have imported and setup the directories exactly as the example project , excluding the application files; however, I am receiving a...

Resolved! Library files for NOT EXPOSED LAYER of ST25RU3993

Hi,Kindly help me sharing the link or source of ST25RU3993 's library files for BUS, PROTOCOL, DISPATCHER layer. (Document UM2618 does not says about these layers, it is said as NOT EXPOSED LAYER).Thanks

Resolved! Hand held reader design

I was planning to design a hand held uhf rfid reader using this ic. Is it possible to design one using this ic? if yes how to design the antenna for this reader.? What are the challenges in designing an rfid reader. Please help.

Resolved! ST25RU3993-EVAL: I can't switch to internal PA => TX setting failed

I'm running a ST25RU3993-EVAL with firmware version V2.0.0.0 STUHFL. Under "Reader Settings" in tab "Settings" under "EU Profile", within the TX-Options, there is a Selection-Field "Internal/External PA", which by default is set to external PA.When I...

Resolved! HI, I use NDEF Email with X-NUCLEO-NFC04A1. I always read the NDEF Email content but I have a problem with the last version of gmail. the carriage returns are lose (see pictures) Do you know this problem ? Best Regards Mickaël

Resolved! What is the RF tags i need to use in order to get from the ST25RU3993 5m range ?

Resolved! ST25R3916 Discovery Board and UART/USART logger

I am trying to get the demostration firmware to output some logs through UART or USART but was not able to do so.Both USB cables are connected (micro and mini) and I used Putty to connect to the Mini USB interface (ST link USB port). I also put the b...

Resolved! CR95HF transceiver antenna tuning - conflicting information/measurements regarding voltage on ST_R0 and RX1 resp. RX2 Pin

Hi there,I made a design with the CR95HF and it's working. The design of the EMI filter and matching circuit is done like on the X-NUCLEO-NFC03A1 NFC card reader board, see [UM1799] page 12.I'd now like to tune the components on my design to increas...