Part Number: TRF7970A Other Parts Discussed in Thread: MSP430G2553 , New RFID Reader Firmware Example
The firmware uses our TRF7970A NFC Transceiver and is run on an MSP430G2553 MCU
sloc297
any documentation for this firmware . How to use it ?
Part Number: TRF7970A Tool/software: Hello,
I’ve been working on developing a library for NFC-A (Type 2 Tag) read/write mode using the TRF7970A IC, but I’m getting a bit lost with the sequence of direct commands that need to be sent in order to transmit…
Part Number: TRF7970A Other Parts Discussed in Thread: MSP-EXP430F5529LP Tool/software: Hi :
We are currently facing a tricky problem that has been bothering us for a long time. We want to use the NFC TRF7970A analog card to encapsulate some datas and…
Part Number: TRF7970A Tool/software: Hi everyone,
I’m working on a project where six NFC antennas need to be connected to a single NFC reader. Since the reader uses separate differential lines for TX and RX, both the transmit and receive lines must…
Part Number: DLP-7970ABP Hi Team,
Good day. I am posting this inquiry on behalf of the customer.
I have another question regarding the Chip. Can you tell me the resistor value of the Resistive Sensor Bias? I was not able to find it in the datasheet…
Hi Govindharajen,
You are saying that your code for accessing the ISO-14443A tags was mostly correct by following the ppt: 0841.NFC Forum Type 2 Tag Platform Operations with TRF7970A_02_18_2014.pdf . The only thing extra to add was to clear the FIFO…
Part Number: TRF7970A Other Parts Discussed in Thread: RF-HDT-DVBB , Tool/software: uestion1.
https://www.ti.com/jp/lit/ug/slou452/slou452.pdf
TRF7970A, customer would like to use the evaluation board (figure below) to write data to the RFIDtag (RF…
Part Number: TRF7970A Hello,
When emulating a standard 14A tag with TRF7970A, all is ok with many devices (including phones & tablet)
But when testing with some devices (like Pixel 7A, Pixel 7 Pro), it seems that Android discovering routines includes…
Part Number: TRF7970A Other Parts Discussed in Thread: MSP-EXP430F5529LP Tool/software: I am trying to utilize the basic read/write feature of the nfc component with a cellphone (Samsung Galaxy S21). It definitely picks up the phone as the blue light…
Part Number: LINUX-NFC-TRF7970A Other Parts Discussed in Thread: TRF7970A
Hi Team,
My customer is detecting the presence of passive cards with the TRF7970A without the need for additional hardware . They are using the Linux NFC Subsystem with the…
