ST25 NFC/RFID tags and readers

Resolved! where can I Find a pinout of ANT_C5 of ST25DV

Resolved! What is size of memory address of ST25DV04k? is it in byte or 2 byte ?

From where i can find the size of memory address size ?i want to find generic approach to find size of memory address to write and read .So in which section it get mentioned inside datasheet or user manual?

Resolved! Impedance matching and RFO level definition

Hello,i want to design a new antenna layout with the ST253911b chip.It is recommended to match the antenna across RFO1 and RFO2 to a load impedance of 10 Ohm.Do i have to change the register "RFO normal level definition register" adress 27h to 10Ohm?...

Resolved! ST25DV Communication error when reading I2C

Hello allI use ST25DV64K.If the I2C communication is normal, it returns ACK after receiving data, and after receiving the last data, it returns NACK response and issues Stop Condition.If the I2C communication is abnormal, and the master issues a stop...

Resolved! Connection between STEVAL-SMARTAG1 and ST Link V2. Not able to detect the target board.

I am using STEVAL-SMARTAG1 and ST Link V2 (https://www.st.com/en/development-tools/st-link-v2.html)Find the connections in the image attached.Please share details related to required connections, debugger configuration etc.

Resolved! ST25RU3993-HPEV sensitivity

Hi,We tested the receiving sensitivity of the RFID reader evaluation kit ST25RU3993-HPEV, and the actual measurement is -66dBm, but the sensitivity given in each document is -77dBm.The sensitivity given here(-77dBm) is the sensitivity of the ST25RU39...

Resolved! Longevity or life span for ST25R3911B

Hello,I want an information regarding longevity or life span for HF reader IC ST25R3911Bthanking you in advanceRegardsPrathamesh

Resolved! Setting Area Protection Password In Automated Application?

I would like to start setting area protection passwords on some of these chips. I have a FEIG RFID reader which I can do this through using the ST25PC-NFC Windows Application, but the reader won't fit into the space I need to reach the chip during n...

Resolved! How can we read/write using SPI

Hi,I don't really understand the datasheet of the ST25R3916 IC chip.At page 53, they show an exemple of a direct write command. As I understand, we need to send 1-1-C5-C4-C3-C2-C1-C0. When I check table 13 to see the command code that go for bits C5....