MPOS-STD2: Turnkey PCI-PTS Mobile POS (MPOS) Terminal

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Figure 1

   

Introduction

MPOS-STD2 is a complete Mobile POS reference platform that embeds a color TFT display, keypad, mag stripe reader, smartcard reader, Bluetooth®, contactless interface, and LiPo rechargeable battery. The device is a complete MPOS-in-a-box solution that has been pre-evaluated by security labs for compliance with PCI-PTS 4.0 standards. It is a full turnkey solution that comes with an extensive hardware and software bundle that includes all the pieces required to successfully modify, adapt, build, program, certify, and manufacture a Mobile POS terminal and thus, in large quantities.

The MPOS-STD2 reference design is based on the MAX32550 Secure Flash-based Cortex® M3 microcontroller that embeds most of the peripherals and analog interfaces required to operate a Mobile POS with a limited number of external components.

A block diagram of the system is shown in Figure 1.

Features:

• 320 x 320 graphical color TFT display
• 12-key patented secure keypad
• 2-track magnetic card reader
• EMV-L1 smartcard reader
• Contactless reader
• USB full-speed device port
• Bluetooth® 4.0 controller
• Secure Flash-based Cortex M3 microcontroller
• Rechargeable lithium polymer battery
• Lithium backup battery
• -10°C to +40°C operating range
• -40°C to +85°C storage range
• Support and certification assistance

Detailed Description of the Reference Design

Features:

• MAX32550 Secure Microcontroller:
• 108MHz 32-bit ARM® Cortex M3 core with MPU
• 256KB of SRAM
• 1MB of Flash
• 64KB of ROM
• 4KB of OTP
• 8KB of encryptable NVSRAM
• External memory (optional):
• 1MB external SPI flash (optional)
• User Interface:
• 320 x 240 dots graphic color TFT with backlight
• 12-key patented secure keypad
• Magnetic Card Reader
• 2-tracks magnetic card reader
• Smartcard Reader:
• EMV Level 1 4.2, ISO7816, 3V/1.8V/5V support, T=0 and T=1 protocols
• Contactless Reader:
• NXP CLRC633 interface
• Connectivity:
• USB device from MAX32550
• Bluetooth 4.0, PAN1026 complete certified module
• Environmental
• Operating temperature range from -10°C to +40°C
• Storage temperature range from -40°C to +85°C
• Dimensions
• 121mm x 75mm x 17.25mm (L x W x H)
• Power
• 3.7V/230mAh Lithium Polymer rechargeable through USB
• 125mAh MNO2 battery backup
• MAX8934 USB charger
• MAX8625 step-up/down converter
• MAX1723 step-up DC-DC converter for 5V smart cards
• ESD protection
• 2 x MAX13204 ESD protections on USB and magnetic head

Deliverables