Develop applications using the AVR64DA48 MicrocontrollerDesigned by LeoNerd's Store in United Kingdom
Still active despite the COVID-19 situation; though shipping times will be slightly slower at the moment.
Summary AVR64DA48 breakout UPDI+ programming header Status LED Reset button What is it? This board holds an AVR64DA48 microcontroller, providing access to all of the IO pins. It adds power supply d…Read More…
This board holds an AVR64DA48 microcontroller, providing access to all of the IO pins. It adds power supply decoupling capacitors, an LED, a button, and UPDI+ programming header to make a convenient self-contained development board for small microcontroller projects.
The LED is attached to the
PF5 pin via a 2k2 current-limiting resistor.
The button is attached to the
RESET# pin via a series resistor to prevent damage in case of drive contention. Note that the
PF6 pin defaults to GPIO mode.
The board also provides a programming header in the AVR standard 2x3 layout. Note that this will requires a UPDI-capable programmer. An SPI-style ISP programmer will not work with this chip. This programming header also includes the USART.0 TX and RX signals in "UPDI+" layout, allowing single-cable programming and debug with a suitable programmer.
Finally, an extra 2-pin header is provided with another VCC and GND pin in case additional connections are required.
Reference icons are placed next to the pins used by the USART, I²C, SPI, ADC, and DAC modules, and where the LED is connected, to remind you what functions those pins usually perform.
This board is supplied with two 15 pin header strips for the IO pins and one 2x3 pin for the programming connector.
The AVR64DA48 is one of the new AVR DA microcontrollers, containing xmega-style peripherals. These are more powerful and flexible than previous generations of ATmega and ATtiny chips.
This particular chip contains 64 KiB of flash and 8 KiB of RAM on an AVR CPU clocked at up to 24 MHz. It provides six 16bit PWM-capable timers, a 16bit realtime counter, five USARTs with fractional baud rate generator, two master/slave capable SPI interfaces, two I²C interfaces, three analog comparators, 12bit ADC, 10bit DAC and in total 41 IO pins split across six ports. It also provides a 8-channel event system and configurable custom logic block that can route events between peripherals without waking the CPU.
It is similar to the ATmega4809, and has identical pinout and peripheral pin mappings. It provides a higher resolution on both the ADC and DAC peripherals, and adds more copies of many other peripherals. It can run at the full 24MHz clock speed across the entire supply voltage range - down to 1.8V.
More information can be found on Microchip's website at https://www.microchip.com/wwwproducts/en/AVR64DA48
I wanted to experiment with the new AVR DA-series chips, but couldn't find any maker-oriented hardware for them.
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