RFid click – MikroElektronika CR95HF Integrated Transceiver
RFid click features CR95HF 13.56 MHz contactless transceiver as well as trace antenna. The click is designed to run on a 3.3V power supply only. It communicates with the target MCU via mikroBUS™ UART (TX, RX), SPI (MISO, MOSI, SCK, CS) INT, RST, PWM and AN lines.
The click functions as an integrated transceiver for contactless applications. The board contains a dedicated internal frame controller and analog front end (AFE) for RF communications. It supports ISO/IEC 14443 type A and B, ISO/IEC 15693 and ISO/IEC 18092 protocols (tags) as well as the detection, reading and writing of NFC forum type 1, 2, 3 and 4 tags.
CR95HF integrated transceiver
The CR95HF has 2 operating modes: Wait for Event (WFE) and Active.
In Active mode, the CR95HF communicates actively with a tag or an external host. WFE mode includes four low consumption states: Power-up, Hibernate, Sleep and Tag Detector. The transceiver can switch from one mode to another.
The Hibernate state has the lowest power consumption out of the four states (1 µA typ. 5 µA max.).
SMD jumpers
Two SMD jumpers are provided on the board. In case you want to use UART interface, it is necessary to solder SMD jumpers in B position. Otherwise, if you want to use SPI interface, jumpers should be left in its default position (A). In that case interrupt pins (IN and OUT) are usable.
Key features
- CR95HF IC
- Operating modes supported: Reader/Writer
- RF communication @13.56 MHz
- Supports NFC Forum Type 1, 2, 3 and 4 tags
- 3.3V power supply
- Interface: UART, SPI
Downloads
- mikroBUS™ Standard specification
- RFid click Examples
- CR95HF datasheet
- RFid click Schematic
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We will inspect each and every one of the items ordered before shipping. Today, most orders will be shipped within 48 hours. The delivery time should be between 3-7 days.
Returns
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The policy is for 30 days. If you have passed 30 days in the past since you purchased, unfortunately we can't offer you a refund or exchange.
To be eligible for a refund, your item must be in good condition and in the same state that you received it. The item must be in the original packaging.
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