Wednesday, March 19, 2014

Powerful ATtiny841 has a breakout board

ATtiny841 pinout
ATtiny841 pinout
The ATtiny841 [datasheet.pdf] is the latest Tiny and it kicks butt. While the '841 shares pinout and memory sizes with the ATtiny84, the new chip boasts some truly incredible features:

  • One 8-bit and Two 16-bit Timer/Counters with Two PWM Channels, EachProgrammable Ultra Low Power Watchdog Timer
  • 10-bit Analog to Digital Converter
    • 12 External and 5 Internal, Single-ended Input Channels
    • 46 Differential ADC Channel Pairs with Programmable Gain (1x / 20x / 100x)
  • Two On-chip Analog Comparators
  • Two Full Duplex USARTs with Start Frame Detection
  • Master/Slave SPI Serial Interface
  • Slave I2C Serial Interface

The 14-pin AVR comes in surface mount packages, only. However, I'm selling a breakout board with AVRISP header, reset circuit, and built-in 16MHz crystal and caps. Buy it here for $10.

eeZeeTiny841 Breakout Board
I've written some really simple LED blinky demos here.

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