DEMO-CR95HF-A

DEMO-CR95HF-A Demonstration kit for the CR95HF 13.56 MHz transceiver IC Data brief Features ■ Ready to use printed circuit board – CR95HF cut 1.2 multiprotocol transceiver IC – STM32F103CB 32-bit microcontroller – 47 x 34 mm 13.56 MHz inductive etched antenna and tuning components – USB-B connector for communication with host PC and demonstration board powering – USB connect/disconnect jumper (must be left in default state) – LED indicating the presence of an RFID or NFC tag – Microcontroller reset button – JTAG connector for microcontroller firmware upgrade and debug ) (s ■ USB cable ■ Demonstration tags – ISO15693 tag: LRI2K mounted on a 45 x 75 mm antenna – ISO 15693 dual interface EEPROM memory: M24LR64-R mounted on a 15 x 15 mm double side etched antenna ) s ( ct u d o r P e t e l o s b O t c u d o r ■ P e t e l o Associated Firmware and PC software – On-board demonstration firmware to communicate with the host PC through the USB bus. – The CR95HF developement software enable discovery and useof all the functionalities of the CR95HF transceiver. – The M24LRXX application software is dedicated to the Dual interface EEPROM and ISO/IEC 15693 contactless tag. s b O September 2012 Doc ID 018756 Rev 3 For further information contact your local STMicroelectronics sales office. 1/5 www.st.com 5 Description DEMO-CR95HF-A Description The DEMO-CR95HF-A is a demonstration kit which allows to evaluate the performances of ST CR95HF 13.56 MHz multiprotocol contactless transceiver. It includes a ready-to-use board to interface with the CR95HF host PC demonstration software through an USB interface. The DEMO-CR95HF-A is powered through the USB bus and no external power supply is required. It includes a CR95HF contactless transceiver, a 47 x 34 mm 13.56 MHz inductive etched antenna and its associated tuning components. By default, the CR95HF communicates with the STM32F103CB 32-bit MCU via the SPI bus. The interface can then be changed to UART. ) s ( ct At the end of the initialization, the DEMO-CR95HF-A launches a tag tracking operation. When an RFID or NFC tag is identified, the LED is turned on. Figure 1. u d o Functional block diagram ,OOP ANTENNA !NTENNA TUNING CIRCUIT 30) BUS ) (s t e l o s b O #2(& r P e t c u 53" CONNECTOR 34-&#" *4!' CONNECTOR !) d o r The DEMO-CR95HF-A is delivered with the following firmware and software which can be downloaded from http://www.st.com: ● t e l o P e s b O 2/5 ● STM32 DEMO-CR95HF-A-application-firmware: on-board demonstration firmware allowing the CR95HF and the host PC to communicate through the USB bus M24LRxx_application_software: a PC software that manages the communications with the ISO15693 and Dual Interface EEPROM tags. Doc ID 018756 Rev 3 DEMO-CR95HF-A Hardware configuration Hardware configuration The DEMO-CR95HF-A demonstration board can use either the UART or the SPI as external serial interface. Two solder bridges, SSI0 and SSI1, allow choosing the serial interface (see Table 1). The SPI or UART is then automatically enabled by the CR95HF at power-on. Figure 2 shows the board configured to use the SPI interface (default configuration). Table 1. Solder bridge configuration Hardware configuration Serial interface ) s ( ct u d o UART r P e t e l o Figure 2. ) (s s b O SPI DEMO-CR95HF-A with SPI selected t c u d o r P e t e l o s b O Doc ID 018756 Rev 3 3/5 Revision history DEMO-CR95HF-A Revision history Table 2. Document revision history Date Revision Changes 22-Apr-2011 1 Initial release. 25-Jul-2011 2 Changed inductive etched antenna to 47x34 mm. Added Section : Hardware configuration . Updated disclaimer on last page. 10-Sep-2012 3 Updated Features and Description. u d o ) s ( ct r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 4/5 Doc ID 018756 Rev 3 DEMO-CR95HF-A ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. 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