ST54K NFC controller, secure ultra-wideband subsystem host and secure element system on chip
■The ST54K is a single-die solution integrating a contactless front-end (CLF) and a secure element, called ST54K_CLF and ST54K_SE, respectively. It is designed for integration in mobile devices and NFC-compliant products.
■The ST54K_CLF includes near-field communication (NFC) functions in the three operating modes: Card Emulation, Reader/Writer and Peer-to-Peer communication.
■It is best in class in terms of RF output power (up to 2 W). With its outstanding output power and optimized efficiency, the ST54K driver can be connected to metal frame antennas. Thanks to improved low-power card detection sensitivity, in Reader/Writer mode, the ST54K_CLF operating in low-power mode is capable of detecting the presence of a card/tag from a distance greater than the Reader mode performance.
■In Card Emulation mode, the ST54K_CLF is capable of operating without an external quartz or an external reference clock source, contributing to further reducing the current consumption of the system in low-power mode. Moreover, thanks to its improved field detection sensitivity, the ST54K_CLF is capable, in low-power mode, of detecting the presence of a reader's RF field from a distance greater than the CE mode performance.
■The ST54K_SE is a serial access microcontroller designed for secure mobile applications. It incorporates the most recent generation of Arm® processors for embedded secure systems. The SecurCore® SC300™ 32-bit RISC core is built on the Cortex®-M3 core, with additional security features to help to protect against advanced forms of attacks.
■The ST54K device offers connectivity and security with its UWB subsystem, which supports emerging secure fine ranging as defined and standardized by the Car Connectivity Consortium® (CCC) and the FiRa™ Consortium.
■The CCC specifies and ensures the interoperability of digital key (DK) phase 3 seamless car opening applications while the FiRa™ Consortium specifies and ensures the interoperability of multiple UWB use cases including access control and transit.
■The ST54K_CLF is based on an advanced Arm® Cortex®-M3 32-bit microcontroller running at 56 MHz. It features two external master SWP interfaces and controls the embedded SE (ST54K_SE) with an internal SWP interface.Thanks to an enhanced power switch system, the CLF manages its own power supply and that of the associated secure elements (ST54K_SE, UICC_1 and UICC_2). It supports NCI 2.0.
■The ST54K_SE provides high performance thanks to a fast SC300™ processor, crypto-accelerators and improved Flash memory operations. Cadenced at 100 MHz, the SC300 core brings great performance and excellent code density thanks to the Thumb®-2 instruction set.
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[ Mobile devices ][ Wearable devices ][ Smartwatches ][ Secure connected devices ][ eSE convergence ][ eSIM convergence ][ Secure NFC for secure ranging ][ UWB connectivity for secure ranging ] |
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Datasheet |
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Please see the document for details |
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WLCSP |
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English Chinese Chinese and English Japanese |
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04-May-2021 |
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Rev 2 |
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DB3731 |
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143 KB |
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