Overview
The CR95HF-VMD5T is an integrated transceiver IC designed for contactless applications, developed by STMicroelectronics. It belongs to the ST25 family, which encompasses all of ST’s NFC/RFID tag and reader products. This IC is optimized for various contactless communication standards, including near field communication (NFC), proximity, and vicinity standards. The CR95HF manages frame coding and decoding in Reader mode, supporting multiple protocols such as ISO/IEC 14443 Type A and B, ISO/IEC 15693, and ISO/IEC 18092. It also supports the detection, reading, and writing of NFC Forum Type 1, 2, 3, and 4 tags.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Frequency | 13.56 MHz |
| Supported Protocols | ISO/IEC 14443 Type A and B, ISO/IEC 15693, ISO/IEC 18092, MIFARE® Classic compatible |
| Operating Modes | Reader/Writer |
| Communication Interfaces | Serial Peripheral Interface (SPI) Slave, Universal Asynchronous Receiver/Transmitter (UART) |
| Buffer Size | Up to 528-byte command/reception buffer (FIFO) |
| Package Type | 32-lead, 5x5 mm, very thin fine pitch quad flat (VFQFPN) ECOPACK®2 |
| Supply Voltage | 2.7 to 5.5 V DC |
| Operating Temperature | -25°C to 85°C |
Key Features
- Dedicated internal frame controller for managing frame coding and decoding.
- Highly integrated Analog Front End (AFE) for RF communications.
- Transmission and reception modes with optimized power management.
- Tag Detection mode for efficient tag detection.
- Support for multiple communication protocols including ISO/IEC 14443 Type A and B, ISO/IEC 15693, and ISO/IEC 18092.
- Compatibility with NFC Forum Type 1, 2, 3, and 4 tags.
- Serial Peripheral Interface (SPI) Slave and Universal Asynchronous Receiver/Transmitter (UART) interfaces for communication with a Host Controller.
- Up to 528-byte command/reception buffer (FIFO).
Applications
The CR95HF-VMD5T is versatile and can be used in a variety of applications, including:
- Near Field Communication (NFC) devices.
- Proximity and vicinity card readers.
- RFID systems.
- Smart card readers.
- Industrial automation and control systems.
- Access control and security systems.
Q & A
- What is the operating frequency of the CR95HF-VMD5T?
The CR95HF-VMD5T operates at a frequency of 13.56 MHz.
- Which communication protocols does the CR95HF-VMD5T support?
The CR95HF-VMD5T supports ISO/IEC 14443 Type A and B, ISO/IEC 15693, ISO/IEC 18092, and MIFARE® Classic compatible protocols.
- What are the supported operating modes of the CR95HF-VMD5T?
The CR95HF-VMD5T supports Reader/Writer operating modes.
- What communication interfaces are available on the CR95HF-VMD5T?
The CR95HF-VMD5T features Serial Peripheral Interface (SPI) Slave and Universal Asynchronous Receiver/Transmitter (UART) interfaces.
- What is the package type and size of the CR95HF-VMD5T?
The CR95HF-VMD5T comes in a 32-lead, 5x5 mm, very thin fine pitch quad flat (VFQFPN) ECOPACK®2 package.
- What is the supply voltage range for the CR95HF-VMD5T?
The supply voltage range is 2.7 to 5.5 V DC.
- What is the operating temperature range of the CR95HF-VMD5T?
The operating temperature range is -25°C to 85°C.
- Is the CR95HF-VMD5T compatible with NFC Forum tags?
- What is the buffer size of the CR95HF-VMD5T?
The CR95HF-VMD5T has a buffer size of up to 528 bytes for command/reception (FIFO).
- Where can I find additional documentation and resources for the CR95HF-VMD5T?
Additional documentation, datasheets, and resources can be found on the STMicroelectronics website and through various distributors like TME, Newark Electronics, and Farnell.
