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Std edition ATtiny814 Development Board
Profile：ATtiny x04/x14 Development Board with Arduino IDE Support
License: CC-BY-SA 3.0
Description
ATtiny x04/x14 Development Board
Development board for ATtiny x04/x14 series with USB to serial converter and Arduino IDE support.
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
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
- Getting started with the new ATtiny chips: http://www.technoblogy.com/show?2OCH
- megaTinyCore: https://github.com/SpenceKonde/megaTinyCore
- UPDI Programmer based on ATmega: https://easyeda.com/wagiminator/y-updi-programmer
- Mini UPDI Programmer based on ATtiny1604: https://easyeda.com/wagiminator/attiny1604-updi-programmer
- Development board for ATtiny x16/x06 series: https://easyeda.com/wagiminator/y-attiny3216-development-board-smd
License
This work is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License. (http://creativecommons.org/licenses/by-sa/3.0/)
design drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | CH330N | U2 | SOP-8_150MIL | 1 | LCSC | WCH | CH330N | C108996 |
| 2 | 1k | R5,R1,R3,R2,R6 | 0603 | 5 | LCSC | UniOhm | 0603WAF1001T5E | C21190 |
| 3 | UPDI | H3 | 210S-3X1/2.54 | 1 | LCSC | BOOMELE | Header2.54mm 1*3P | C49257 |
| 4 | ATTINY814-SSN | U1 | SOIC-14_150MIL | 1 | LCSC | Microchip Tech | ATTINY814-SSNR | C182202 |
| 5 | 100n | C3,C4,C1 | 0603 | 3 | LCSC | YAGEO | CC0603KRX7R9BB104 | C14663 |
| 6 | 47u | C2 | 1206 | 1 | LCSC | FH | 1206F476M160NT | C30300 |
| 7 | PWR | LED1 | LED_0603 | 1 | LCSC | EVERLIGHT | 19-217/GHC-YR1S2/3T | C72043 |
| 8 | PA7 | LED2 | LED_0603 | 1 | LCSC | KENTO | KT-0603R | C2286 |
| 9 | Micro USB 5P | USB1 | MICRO-USB-16-LONG | 1 | LCSC | Boom Precision Elec | - | C21377 |
| 10 | Header | H1,H2 | 210S-8X1/2.54 | 2 | LCSC | Ckmtw | 210S-1*8P L=11.6MMGold-plated black | C124381 |
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