Kinetis K81 MCU POS Tower System Module

TWR-POS-K81

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The TWR-POS-K81F board is a targeted reference design for the point-of-sale market. Due to the secure nature of this board, please contact your local sales office to inquire about documentation, software and ordering information.

Supported Devices

Processors and Microcontrollers

K8x Secure

  • K81_150: Kinetis K81-150 MHz HW Cryptographic Co-Processor, Anti-Tamper and QuadSPI Microcontrollers (MCUs) Based on Arm® Cortex®-M4 Core

Features

Microcontroller

MK81FN256VDC15 MCU:
  • 150 MHz Arm® Cortex®-M4 core, 256 KB Flash, 256 KB SRAM, 121 XFBGA, with tamper detection and crypto acceleration

Memory

  • 512 Mbit (64MB) twin-quad onboard QuadSPI memory @ 3.3V
  • 256 Kbit (32KB) SPI EEPROM memory

Connectivity

  • Standalone full-speed USB host and device function
  • Piezo buzzer

Power Management

  • Independent, battery-operated power supply for real-time clock (RTC) module

Debug

  • Cortex debug + ETM connector (20-pin debugging header)

Sensors

  • Cirque secure sensing chip and capacitive touch PIN pad

Display

  • Chip-on-glass 2 line x 16 character segment LCD

Support

  • Tower® compatible processor board
  • 4 user-controlled status LEDs
  • One mechanical push button
  • One mechanical push button for nonmaskable interrupt (NMI) or pin interrupt
  • Tamper header providing access to all 8 tamper signals

Documentation

Quick reference to our documentation types.

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2 documents

Software

Quick reference to our software types.

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2 software files

Note: For better experience, software downloads are recommended on desktop.

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