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CC-BY-SA 3.0

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ATtiny814 Development Board

1 year ago 1730
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Description

ATtiny x04/x14 Development Board

Development board for ATtiny x04/x14 series with USB to serial converter and Arduino IDE support.

ATtiny814_DevBoard_pic1.jpg

Features of the tinyAVR

Specifications ATtiny204 ATtiny404 ATtiny804 ATtiny1604
Flash (program memory) 2048 bytes 4096 bytes 8192 bytes 16384 bytes
Flash w/Optiboot 1536 bytes 3584 bytes 7680 bytes 15872 bytes
RAM 128 bytes 256 bytes 512 bytes 1024 bytes
EEPROM 64 bytes 128 bytes 128 bytes 256 bytes
Bootloader Optiboot (optional, not recommended) Optiboot (optional, not recommended) Optiboot (optional) Optiboot (optional)
GPIO Pins 12 (11 usable) 12 (11 usable) 12 (11 usable) 12 (11 usable)
ADC Channels 10 (9 usable) 10 (9 usable) 10 (9 usable) 10 (9 usable)
DAC No No No No
PWM Channels 6 6 6 6
Timer Type B 1 1 1 1
Timer Type D No No No No
Interfaces UART, SPI, I2C UART, SPI, I2C UART, SPI, I2C UART, SPI, I2C
Clock options Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz
Specifications ATtiny214 ATtiny414 ATtiny814 ATtiny1614
Flash (program memory) 2048 bytes 4096 bytes 8192 bytes 16384 bytes
Flash w/Optiboot 1536 bytes 3584 bytes 7680 bytes 15872 bytes
RAM 128 bytes 256 bytes 512 bytes 2048 bytes
EEPROM 64 bytes 128 bytes 128 bytes 256 bytes
Bootloader Optiboot (optional, not recommended) Optiboot (optional, not recommended) Optiboot (optional) Optiboot (optional)
GPIO Pins 12 (11 usable) 12 (11 usable) 12 (11 usable) 12 (11 usable)
ADC Channels 10 (9 usable) 10 (9 usable) 10 (9 usable) 10 (9 usable)
DAC Yes Yes Yes Yes
PWM Channels 6 6 6 6
Timer Type B 1 1 1 2
Timer Type D Yes Yes Yes Yes
Interfaces UART, SPI, I2C UART, SPI, I2C UART, SPI, I2C UART, SPI, I2C
Clock options Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz Internal 20/16/10/8/5/4/1 MHz

Reference: https://github.com/SpenceKonde/megaTinyCore

Pinout

ATtiny814_DevBoard_pinout.png

Preparing Arduino IDE

  • Install megaTinyCore
  • Open the Arduino IDE
  • Go to "Tools" -> "Board" -> "megaTinyCore" and select your chip
  • Go to "Tools" and set the desired board options
  • Go to "Tools" -> "Programmer" and select "jtag2updi(megaTinyCore)"
  • Connect the UPDI programmer to the UPDI header on the development board. You can find such programmers in my projects or you can use an Arduino Uno as a UPDI programmer.
  • Go to "Tools" -> "Burn Bootloader"
  • Now you can upload your sketch

References, Links and Notes

ATtiny814_DevBoard_pic2.jpg

License

license.png

This work is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License. (http://creativecommons.org/licenses/by-sa/3.0/)

Documents

ATtiny814 Development Board

ATtiny814_DevBoard_v1.1

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 CH330N U2 SOP-8_150MIL 1 CH330N WCH LCSC C108996
2 1k R5,R1,R3,R2,R6 0603 5 0603WAF1001T5E UniOhm LCSC C21190
3 UPDI H3 210S-3X1/2.54 1 Header2.54mm 1*3P BOOMELE LCSC C49257
4 ATTINY814-SSN U1 SOIC-14_150MIL 1 ATTINY814-SSNR Microchip Tech LCSC C182202
5 100n C3,C4,C1 0603 3 CC0603KRX7R9BB104 YAGEO LCSC C14663
6 47u C2 1206 1 1206F476M160NT FH LCSC C30300
7 PWR LED1 LED_0603 1 19-217/GHC-YR1S2/3T EVERLIGHT LCSC C72043
8 PA7 LED2 LED_0603 1 KT-0603R KENTO LCSC C2286
9 Micro USB 5P USB1 MICRO-USB-16-LONG 1 - Boom Precision Elec LCSC C21377
10 Header H1,H2 210S-8X1/2.54 2 210S-1*8P L=11.6MMGold-plated black Ckmtw LCSC C124381

Attachments

Filename Download
ATtiny_x14_core.zip
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