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Overview
| Topology | Buck Converter |
| Input voltage | 3.3 V |
| IC revision | 3 |
Description
The M24SR-DISCOVERY is a demonstration kit to evaluate the features and capabilities of the M24SR series and is based on the M24SR64 device. Two versions of this kit are available: the Standard Edition and the Premium Edition.
The Premium Edition includes all of the Standard edition features, plus a headset and a Bluetooth module to demonstrate the convenience to pair it with a smartphone via NFC.
The M24SR64 device is a dynamic NFC/RFID tag IC with a dual interface. It embeds a 64 Kbits EEPROM memory. It can be operated from an I2C interface or by a 13.56 MHz RFID reader or an NFC phone.
The I2C interface uses a two-wire serial interface, consisting of a bidirectional data line and a clock line. It behaves as a slave with respect to the I2C protocol.
The RF protocol is compatible with ISO/IEC 14443 Type A and NFC Forum Type 4 Tag.
The board is powered through the USB bus. It also includes a microcontroller STM32F103 to drive the EEPROM via I2C and the LCD screen via SPI bus.
The M24SR-DISCOVERY (MB1138) schematics, BOM, gerber files, drivers and firmware can be downloaded from www.st.com
Features
- Ready-to-use printed circuit board (PCB) including:
- M24SR64-Y Dynamic NFC/RFID tag
- 31 mm x 30 mm 13.56 MHz double layer inductive antenna etched on the PCB (ANT14)
- STM32F103RGT6 64LQFP 32-bit microcontroller, with 1Mbytes of Flash memory
- LCD Color Screen (320*200 pixels)
- Different color LEDs
- USB microB connector for board powering
- JTAG connector for microcontroller firmware upgrade and debug
- Joystick for menu selection
- M24SR-DISCO-PREM specific features:
- Bluetooth module with audio outputs connected to Jack 3.5
- Headset
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | L (µH) | IR (mA) | VR (V) | VT (V (DC)) | Application | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744232090 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CNSW SMT Common Mode Line Filter | 90 | – | – | – | 0.3 | – | bifiliar | 0.111 | 370 | 50 | 125 | USB 2.0 | ||
 | 742792641 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | 300 | 450 | 250 MHz | 2000 | 0.15 | High Current | – | – | 1500 | – | – | – | ||
 | 742792042 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | 600 | 3000 | 180 MHz | 900 | 0.5 | High Speed | – | – | 200 | – | – | – | ||
| 744232222 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CNSW SMT Common Mode Line Filter | 2200 | – | – | – | 1.2 | – | bifiliar | 2.578 | 200 | 50 | 125 | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | L (µH) | IR (mA) | VR (V) | VT (V (DC)) | Application | Samples |
|---|