NFC-WISP 1.0 - Hardware

This page is is dedicated to the hardware design of the NFC-WISP 1.0
Questions? - Eve_yizhao Eve_yizhao and - alanson alanson maintain this page.

Hardware Overview

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Description of Hardware

Documentation is still being developed.
Best place to start is the IEEE RFID paper on the NFC-WISP.


Feature


  • NFC feature
    • ISO 14443-Type A/B and ISO 15693 compatible demodulator
    • Software defined NFC protocol
  • Compatible with wireless charging technology (using 13.56Mhz)
  • Microcontroller - MSP430F5310
  • User interface
    • 2 Button & 3 LEDs
    • E-ink display
  • Energy Storage
    • 300 uF ceramic cap
    • 10-30 mAh Thin-film battery(optional)
  • Sensor
    • Temperature sensor (in MSP430F5310)
    • 3D Accelerometer (optional)
  • Memory
    • 32 kB FLASH + 6kB SRAM (in MSP430F5310)
    • 2 MB FRAM (optional)
  • Header
    • ADC
    • SPI, UART, I2C
    • 32.763 kHz crystal (real time clock) + 13.56Mhz crystal
    • Rectified DC voltage + 2.5v regulated voltage
    • Test points
  • Others
    • Battery-full LED indicator (RED LED) and input indicator to MSP430
    • Adjustable battery-full threshold (4.0,4.1 or 4.2V)
    • Low voltage (2.3V) input Indicator to MSP430 (E-ink can not updates below 2.3V)
    • Rectified voltage monitor circuits (Sample from ADC)
    • Over-voltage projection circuits

Schematics , Layout and Assembly draw



Relevant Datasheets