Point of Sale (POS) terminals enable secure payment transactions by reading information on debit or credit cards – using either one of the established standards including ISO/IEC 7816 serial, ISO/IEC 14443 contactless and magnetic stripe readout – and then connecting to the bank’s servers to register the transaction.
Portable ePOS terminals require wireless connectivity – most often Bluetooth Low Energy (BLE), Wi-Fi or cellular to connect to a base or to the bank.
ePOS terminals are subject to EMVCo Level 1 and 2, Payment Card Industry - Data Security Standard (PCI-DSS), and when relevant, People's Bank of China (PBOC), certification for the transaction aspects as well as other regulations including the Federal Communication Commission (FCC).
We have solutions for contactless card transactions centered on our ST25R NFC reader providing high sensitivity and antenna adaptation - which can significantly help reduce certification efforts – and Bluetooth Low Energy connectivity. In addition, we provide power management solutions including Qi-compliant wireless charging chipsets.
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Rich by its features-set, STM32CubeMX is changing its skin today to provide to the developers an improved access to the Pinout, Peripherals and Middlewares parameters to ease the configuration and optimized the project development time. This new look is also standardizing the User Interface of the different Software Development Tools of the STM32Cube ecosystem.
Security has emerged as one of the 3 key areas that developers of embedded and IoT applications are thriving to improve. The STM32L5 microcontroller series is the solution and provide a new optimal balance between performance, power and security.
Development Tools
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Picture Part number Manufacturer Description 
STM32CubeMX ST STM32Cube initialization code generator Part NumberSTM32Cube initialization code generator
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EMI Filtering and Signal Conditioning
| Part number | Description |
|---|---|
| EMIF03-SIM02M8 | 3-line EMI filter and ESD protection for SIM card interfaces |
| EMIF08-LCD04M16 | 8-line L-C EMI filter and ESD protection for display interfaces |
Interfaces and Transceivers
| Part number | Description |
|---|---|
| ST8024L | Smart card interface |
NFC
| Part number | Description |
|---|---|
| ST25R3911B | NFC / HF RFID Reader IC |
| ST25R3912 | NFC / HF RFID Reader IC |
| ST25RU3993 | RAIN RFID Reader IC for UHF with EPC Gen2 support |
Protection Devices
| Part number | Description |
|---|---|
| ESDA7P120-1U1M | High-power transient voltage supressor (TVS) |
| ESDZV5-1BF4 | Ultra Low clamping single line bidirectional ESD protection |
| HSP053-4M5 | 4-line ESD protection for high-speed lines |
| USBLC6-2SC6Y | Automotive very low capacitance ESD protection |
