Point of sale (POS) terminals

Build highly secured, connected, and energy-efficient POS terminals with PSOC™ Edge security, PQC readiness, and edge AI

Overview

Protect payment data in fixed POS, PIN pad, mobile POS (mPOS), and portable POS terminals. PSOC™ Edge MCUs combine a secured enclave with root-of-trust services, protected on-chip RRAM, cryptographic acceleration, and PQC readiness. Edge AI supports emerging payment methods, complemented by Infineon connectivity, sensing, memory, and power solutions.

Benefits

  • Design for PSA Level 4 requirements
  • Strengthen root-of-trust protection
  • Extend portable battery life
  • Enable long-range connectivity
  • Prepare for post-quantum security
  • Support flexible POS interfaces
  • Secure keys and policies in RRAM
  • Support new payments with edge AI

About

Advanced security for point of sale terminals

Make security the foundation of your terminal with PSOC™ Edge microcontrollers. Selected devices offer an Edge Protect Category 4 lockstep secured-enclave option designed for Arm® PSA Level 4 compliance. The enclave protects the device root of trust and provides runtime services for cryptography, secured key storage, and attestation.

Protected on-chip RRAM supports keys, policies, and boot assets, helping enable low-power secured boot and compute. High-performance cryptographic acceleration and a PQC-ready architecture help designers prepare for evolving security requirements. Rich peripherals, including configurable UART resources for ISO 7816 smart-card communication, simplify integration with payment interfaces and external components.

Edge AI acceleration can support emerging payment experiences and local voice and vision workloads. Together, PSOC™ Edge and ModusToolbox™ provide tools, libraries, and runtime assets for configuring security and peripherals, managing software, and building and debugging applications—helping reduce design complexity and streamline development and certification preparation.

Discover PSOC™ Edge MCUs
Develop with ModusToolbox™

Low-power wireless connectivity for connected POS terminals

Connect fixed POS systems, PIN pads, mobile POS (mPOS), and portable POS terminals with AIROC™ Wi-Fi and Bluetooth® solutions. Long-range wireless options help mobile and portable terminals maintain reliable links across larger retail environments and support connections to smartphones, tablets, and accessories.

Select low-power Wi-Fi 5, Wi-Fi 6/6E, or Wi-Fi 7 devices to match throughput, range, coexistence, and power targets. Network-stack offloads reduce host processing and help lower system power during connected standby, while the CYW20829 Bluetooth® LE MCU supports dedicated long-range wireless designs.

OPTIGA™ Connect Consumer OC1230 can provide a compact, GSMA-compliant eSIM option for portable designs that need secured cellular connectivity and remote SIM provisioning. Infineon software support and ModusToolbox™ help engineers integrate connectivity and shorten development cycles.

View wireless connectivity
Discover OPTIGA™ Connect

Payment interfaces and peripheral connectivity

Connect the components around the payment workflow with flexible digital and analog interfaces. PSOC™ Edge devices support USB, 10/100 Ethernet, CAN FD, SPI, UART, I2C, I3C, I2S, SDIO, and external-memory interfaces for host processors, printers, barcode scanners, cameras, displays, keypads, and docking stations.

Frequently touched controls and exposed connectors can introduce electrostatic discharge. Infineon low-capacitance ESD protection devices provide strong clamping while preserving signal integrity for keypads, touchscreens, USB, display, NFC, and other data interfaces. Configurable UART resources can support ISO 7816 smart-card communication, while programmable peripherals help integrate magnetic-stripe readers and NFC front ends.

This combination helps engineers build robust interface architectures and reuse a common control platform across fixed POS systems, PIN pad terminals, mobile POS (mPOS) readers, and portable POS terminals.

Browse microcontrollers for POS
View ESD protection devices

Human-machine interfaces and sensors for intuitive POS designs

Build responsive interfaces and layered tamper detection around the physical keys commonly used in PIN pad terminals. PSOC™ Edge analog and digital peripherals can connect key matrices, displays, indicators, and monitoring circuits while supporting a common processing and security architecture.

XENSIV™ MEMS microphones provide precise, low-power audio capture with far-field pickup and audio-pattern detection, supporting voice interfaces and acoustic monitoring. Infineon digital temperature sensors add accurate, low-power I²C monitoring and alert functions that can flag abnormal thermal conditions.

For local voice and vision processing, selected PSOC™ Edge devices combine an Arm® Cortex®-M55 processor with Helium™ DSP capabilities and an Arm® Ethos™-U55 NPU for machine-learning acceleration. These capabilities can help designers develop application-specific HMI and tamper strategies.

View MEMS microphones

Secured memory for code, credentials, and transaction data

Protect external code and data with SEMPER™ Secure NOR flash. Configurable security regions and access levels separate content, while hardware cryptography, secured boot, remote attestation, side-channel protection, and error correction strengthen the storage subsystem.

For frequently updated counters, audit records, and recovery data, EXCELON™ F-RAM adds instant non-volatility, virtually unlimited write endurance, and ultra-low-energy operation.

Engineers can combine secured flash and high-endurance logging memory according to the sensitivity, capacity, retention, and update frequency of each data set.

Discover SEMPER™ NOR Flash
View EXCELON™ F-RAM

Efficient power conversion and USB-C charging for POS terminals

Design efficient, durable power trees for fixed POS systems, PIN pad terminals, mobile POS (mPOS) readers, and portable POS terminals. Infineon voltage regulators, DC-DC converters, load switches, and small-signal MOSFETs combine efficient power conversion with the quality and reliability needed to support robust POS terminals and long service life.

For battery-operated mobile POS designs, EZ-PD™ PMG1 high-voltage microcontrollers add USB-C Power Delivery, programmable system control, protection functions, and, in selected variants, integrated buck-boost battery charging.

Efficient conversion, dependable components, and coordinated power-state control complement the low-power modes of PSOC™ Edge MCUs and AIROC™ connectivity devices to help extend operating time between charges.

Browse power solutions
Learn about EZ-PD™ PMG1

Advanced security for point of sale terminals

Make security the foundation of your terminal with PSOC™ Edge microcontrollers. Selected devices offer an Edge Protect Category 4 lockstep secured-enclave option designed for Arm® PSA Level 4 compliance. The enclave protects the device root of trust and provides runtime services for cryptography, secured key storage, and attestation.

Protected on-chip RRAM supports keys, policies, and boot assets, helping enable low-power secured boot and compute. High-performance cryptographic acceleration and a PQC-ready architecture help designers prepare for evolving security requirements. Rich peripherals, including configurable UART resources for ISO 7816 smart-card communication, simplify integration with payment interfaces and external components.

Edge AI acceleration can support emerging payment experiences and local voice and vision workloads. Together, PSOC™ Edge and ModusToolbox™ provide tools, libraries, and runtime assets for configuring security and peripherals, managing software, and building and debugging applications—helping reduce design complexity and streamline development and certification preparation.

Discover PSOC™ Edge MCUs
Develop with ModusToolbox™

Low-power wireless connectivity for connected POS terminals

Connect fixed POS systems, PIN pads, mobile POS (mPOS), and portable POS terminals with AIROC™ Wi-Fi and Bluetooth® solutions. Long-range wireless options help mobile and portable terminals maintain reliable links across larger retail environments and support connections to smartphones, tablets, and accessories.

Select low-power Wi-Fi 5, Wi-Fi 6/6E, or Wi-Fi 7 devices to match throughput, range, coexistence, and power targets. Network-stack offloads reduce host processing and help lower system power during connected standby, while the CYW20829 Bluetooth® LE MCU supports dedicated long-range wireless designs.

OPTIGA™ Connect Consumer OC1230 can provide a compact, GSMA-compliant eSIM option for portable designs that need secured cellular connectivity and remote SIM provisioning. Infineon software support and ModusToolbox™ help engineers integrate connectivity and shorten development cycles.

View wireless connectivity
Discover OPTIGA™ Connect

Payment interfaces and peripheral connectivity

Connect the components around the payment workflow with flexible digital and analog interfaces. PSOC™ Edge devices support USB, 10/100 Ethernet, CAN FD, SPI, UART, I2C, I3C, I2S, SDIO, and external-memory interfaces for host processors, printers, barcode scanners, cameras, displays, keypads, and docking stations.

Frequently touched controls and exposed connectors can introduce electrostatic discharge. Infineon low-capacitance ESD protection devices provide strong clamping while preserving signal integrity for keypads, touchscreens, USB, display, NFC, and other data interfaces. Configurable UART resources can support ISO 7816 smart-card communication, while programmable peripherals help integrate magnetic-stripe readers and NFC front ends.

This combination helps engineers build robust interface architectures and reuse a common control platform across fixed POS systems, PIN pad terminals, mobile POS (mPOS) readers, and portable POS terminals.

Browse microcontrollers for POS
View ESD protection devices

Human-machine interfaces and sensors for intuitive POS designs

Build responsive interfaces and layered tamper detection around the physical keys commonly used in PIN pad terminals. PSOC™ Edge analog and digital peripherals can connect key matrices, displays, indicators, and monitoring circuits while supporting a common processing and security architecture.

XENSIV™ MEMS microphones provide precise, low-power audio capture with far-field pickup and audio-pattern detection, supporting voice interfaces and acoustic monitoring. Infineon digital temperature sensors add accurate, low-power I²C monitoring and alert functions that can flag abnormal thermal conditions.

For local voice and vision processing, selected PSOC™ Edge devices combine an Arm® Cortex®-M55 processor with Helium™ DSP capabilities and an Arm® Ethos™-U55 NPU for machine-learning acceleration. These capabilities can help designers develop application-specific HMI and tamper strategies.

View MEMS microphones

Secured memory for code, credentials, and transaction data

Protect external code and data with SEMPER™ Secure NOR flash. Configurable security regions and access levels separate content, while hardware cryptography, secured boot, remote attestation, side-channel protection, and error correction strengthen the storage subsystem.

For frequently updated counters, audit records, and recovery data, EXCELON™ F-RAM adds instant non-volatility, virtually unlimited write endurance, and ultra-low-energy operation.

Engineers can combine secured flash and high-endurance logging memory according to the sensitivity, capacity, retention, and update frequency of each data set.

Discover SEMPER™ NOR Flash
View EXCELON™ F-RAM

Efficient power conversion and USB-C charging for POS terminals

Design efficient, durable power trees for fixed POS systems, PIN pad terminals, mobile POS (mPOS) readers, and portable POS terminals. Infineon voltage regulators, DC-DC converters, load switches, and small-signal MOSFETs combine efficient power conversion with the quality and reliability needed to support robust POS terminals and long service life.

For battery-operated mobile POS designs, EZ-PD™ PMG1 high-voltage microcontrollers add USB-C Power Delivery, programmable system control, protection functions, and, in selected variants, integrated buck-boost battery charging.

Efficient conversion, dependable components, and coordinated power-state control complement the low-power modes of PSOC™ Edge MCUs and AIROC™ connectivity devices to help extend operating time between charges.

Browse power solutions
Learn about EZ-PD™ PMG1

Block diagram

Documents