megaAVR 0-series

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Microchip

megaAVR® 0-Series

Manual

http://ww1.microchip.com/downloads/en/DeviceDoc/40002015A.pdf (2.8MB)

Unified memory with a nonvolatile memory controller yet three references to instances of the SPM instruction.

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Sun. Mar 4, 2018 - 12:07 AM
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avrcandies wrote:

Well, one is xplained "pro", the other "mini".

what does that mean?  $38 vs $9...what do you get for the difference? 

 

Well, there are differences, I doubt they justify $30 though. I'll compare the tiny817, which has both versions:

 

Tiny 817 Mini:

 

Tiny 817 Pro:

 

So the pro has a few more features, uses the EDBG debugger instead of the mEDBG which is kinda slow.

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"Core-Independent Peripherals"?

 

Can someone tell me what this means? Independent clock system? Independent in some other way?

 

Jim

Jim Wagner Oregon Research Electronics, Consulting Div. Tangent, OR, USA http://www.orelectronics.net

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Well, LMGTFY:

Core Independent Peripherals are designed to handle their tasks with no code or supervision from the CPU to maintain operation. As a result, they simplify the implementation of complex control systems and give designers the flexibility to innovate.

 

http://www.microchip.com/design-centers/8-bit/peripherals/core-independent/overview

cheeky 

Top Tips:

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  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillatorhttps://www.avrfreaks.net/comment...
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ka7ehk wrote:

"Core-Independent Peripherals"?

 

Over in PIC-world a CIP is a peripheral with 'smarts', as an example...

 

https://www.microchip.com/design...

#1 This forum helps those that help themselves

#2 All grounds are not created equal

#3 How have you proved that your chip is running at xxMHz?

#4 "If you think you need floating point to solve the problem then you don't understand the problem. If you really do need floating point then you have a problem you do not understand." - Heater's ex-boss

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El Tangas wrote:
the pro has a few more features

The Pros are usually bigger boards (and bigger processors), and come populated with the XPro headers - so that you can plug on XPro expansion boards.

 

 

As the name (and price) suggests, the Minis are smaller and don't have the extras.

ATTINY817-XMINI Microchip Technology | ATTINY817-XMINI-ND DigiKey Electronics

 

EDIT

 

Actual picture of the ATtiny817 Xplained Pro:

http://www.microchip.com/DevelopmentTools/ProductDetails.aspx?PartNO=ATTINY817-XPRO

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillatorhttps://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
  6. Beginner's "Getting Started" tips: https://www.avrfreaks.net/comment...
Last Edited: Thu. Mar 1, 2018 - 07:01 PM
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"Dare to be naïve." - Buckminster Fuller

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(future) product web pages with preliminary datasheets were created for the 28-pin and 32-pin variants :

http://www.microchip.com/wwwproducts/en/ATMEGA3208

http://www.microchip.com/wwwproducts/en/ATMEGA4808

 

"Dare to be naïve." - Buckminster Fuller

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5.9 I/O Pin Characteristics

...

Rise time, 1.5ns typ (5V, 20pF)

...

Fall time, 1.3ns typ (5V, 20pF)

The LC filter on mega4809's AVDD in Xplained Pro :

  • ferrite bead, Murata BLM18PG471SN1, 1A, 470 ohms at 100MHz, 260mohm max ESR, 1608 metric
  • capacitor, 100nF MLCC 16V X7R

The same ferrite bead is on UC3A4 (EDBG) VDDANA and UC3A4 USB_VBUS.

USB VBUS is filtered; external 5V power is not filtered.

 

P.S.

megaAVR 0-series schematic checklist?

Reason: IO rise and fall times are greatly less than PB megaAVR.

or is the AVR EMC application note adequate?

 


https://www.mouser.com/Search/Refine.aspx?Keyword=BLM18PG471SN1

https://www.mouser.com/new/murataelectronics/murata-blm-emi-filter/

Microchip Technology Inc

Microchip Technology

Application Notes

AN_1619 AVR040: EMC Design Considerations

http://www.microchip.com//wwwAppNotes/AppNotes.aspx?appnote=en590907

via http://www.microchip.com/wwwproducts/en/atmega324pb

 

"Dare to be naïve." - Buckminster Fuller

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kabasan wrote:

 16 bit access has been changed since the xmega series.

Yes, this note appears in the Xmega timer manual (AVR1306):

       ...Note that on the XMEGA, the byte order for multi-byte access is always from the least significant byte to the most significant byte.

 

So does the megaAVR 0-series follow along with Xmega, or use the classic mega avr sequence?  

 

They had the datasheet for the mega328PB reversed (following xmega) & finally corrected it: 

When in the dark remember-the future looks brighter than ever.

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YouTube

ATmega4809 8-bit High-Performance AVR CPU

Microchip Technology

Published on Feb 27, 2018

https://www.youtube.com/watch?v=SScQqkGWoB0 (4m35s)

via https://plus.google.com/+MicrochipTech/posts/dUMpErLv4cy

 

"Dare to be naïve." - Buckminster Fuller

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EDN

New brain for the Arduino, and…PICkit 4

by  (EDN Editor in Chief)

March 02, 2018

https://www.edn.com/electronics-products/electronic-product-reviews/other/4460386/New-brain-for-the-Arduino--and-PICkit-4

...

... it [mega4809] shares the basic characteristics of the somewhat-stuck-in-time AVR family. 

...

Onto Microchip’s most-loved child, the PIC. The new PIC16F18446 is another overachiever when it comes to peripherals. 

...

Finally, there’s the new PICkit 4 programmer/debugger ($48). Let’s hope it rights some of the wrongs perpetrated by the deposed PICkit 3. Especially, in my case, the inability to function at the 3V of my project! On the plus side, brownie points to any company that offers multi-platform support (it works under MacOS, Linux, and even Windows).

...

"Dare to be naïve." - Buckminster Fuller

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In the March 7, 2018 Embedded.com newsletter, Mega4809 is going to be the new Arduino MCU.

 

https://www.embedded.com/electro...

 

Jim

Jim Wagner Oregon Research Electronics, Consulting Div. Tangent, OR, USA http://www.orelectronics.net

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ka7ehk wrote:
In the March 7, 2018 Embedded.com newsletter, Mega4809 is going to be the new Arduino MCU.
I think that is absolutely fantastic!  Simonetta is going to have to change the Mantra!

"I may make you feel but I can't make you think" - Jethro Tull - Thick As A Brick

"void transmigratus(void) {transmigratus();} // recursio infinitus" - larryvc

"It's much more practical to rely on the processing powers of the real debugger, i.e. the one between the keyboard and chair." - JW wek3

"When you arise in the morning think of what a privilege it is to be alive: to breathe, to think, to enjoy, to love." -  Marcus Aurelius

Last Edited: Thu. Mar 8, 2018 - 09:56 PM
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Blinky :

YouTube

Getting Started with the ATmega4809

Microchip Technology

Published on Feb 27, 2018

https://www.youtube.com/watch?v=HUPSwIp-09E (1m39s)

This Xplained Pro board features the newly released ATmega4809 microcontroller. This device is packed with features such as Core Independent Peripherals, Event System, Intelligent Analog and Low Power. Programming the Xplained Pro board is easy and fast with Atmel Studio and Atmel Start. In this video we are demonstrating how you can get up and running with the Xplained Pro board with a Blink application in minutes.

via https://plus.google.com/+MicrochipTech/posts/NcA9HnJsZX7

 

"Dare to be naïve." - Buckminster Fuller

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YouTube

Microchip

eeNews Report on Embedded World 18

https://youtu.be/3Lq3Qh4ue7w?t=4m24s (mega4809 for almost 2m duration, earlier is a new PIC with a 12b ADC and doubled flash and RAM)

via 

Lucio Di Jasio discusses the latest additions to our portfolio of 8-bit micro...

https://plus.google.com/+MicrochipTech/posts/gVm4WS3Wnjf

 

"Dare to be naïve." - Buckminster Fuller

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The ATmega4809 has been selected to be the on-board microcontroller of a next-generation Arduino board.

Will the mega4809 Arduino have EDBG?

(no answer is likely the best answer assuming there's an NDA in place)

Likely yes (mEDBG) due to mega32U4; see https://www.avrfreaks.net/forum/megaavr-0-series?page=1#comment-2470876

Reasons :

  1. Arduino Zero has EDBG
  2. Microsoft Arduino extension to Visual Studio Code

 

https://store.arduino.cc/usa/arduino-zero

Visual Studio Marketplace

Arduino

https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.vscode-arduino

(2/3 page)

Debugging Arduino Code preview

[Arduino Zero, EDBG]

AVR Studio On Mac & Linux?

by ka7ehk

https://www.avrfreaks.net/forum/avr-studio-mac-linux

...

https://www.avrfreaks.net/forum/avr-studio-mac-linux#comment-2440271

 

Edits: strikethru, mEDBG

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Sat. May 19, 2018 - 06:43 PM
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"Dare to be naïve." - Buckminster Fuller

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Rapid prototyping with the ATmega4809 is supported by the ATmega4809 Xplained Pro (ATmega4809-XPRO) evaluation kit.

New arrival at Mouser :

Mouser Electronics  - Electronic Components Distributor

Microchip Technology

Mouser

Microchip Technology

ATmega4809 Xplained Pro Evaluation Kit

https://www.mouser.com/new/microchip/microchip-atmega4809-xpro/

 

"Dare to be naïve." - Buckminster Fuller

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ARDUINO UNO WiFi REV2

https://store.arduino.cc/arduino-uno-wiFi-rev2

Arduino Uno form, ATmega4809, ATECC608, IMU, Wi-Fi System-on-Chip

[ATmega4809, Wi-Fi SoC, IMU, ATECC608A crypto-authenticator]

via

Arduino Blog » Say hello to the next generation of Arduino boards!

by Arduino Team

May 17th, 2018

https://blog.arduino.cc/2018/05/17/say-hello-to-the-next-generation-of-arduino-boards/

...

Those heading to Maker Faire this weekend are invited to attend Massimo Banzi’s semi-annual ‘State of Arduino’ talk, where you can learn more about our latest developments including the MKR Vidor 4000, Uno WiFi Rev2, and our Arduino Day releases.

Both the MKR Vidor 4000 and Uno WiFi Rev2 will be available on the Arduino online store at the end of June.

via https://plus.google.com/u/0/106109247591403112418/posts/AmQsbfVdtb4 (404 error)

 


https://www.microchip.com/wwwproducts/en/ATMEGA4809

https://www.microchip.com/wwwproducts/en/ATECC608A

https://www.u-blox.com/en/product/nina-w10-series

 

Edit : tech specs tab added to https://store.arduino.cc/arduino-uno-wiFi-rev2

Edit : strikethru

Edit : 404

Edit: Wi-Fi module's URL

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Sun. Aug 12, 2018 - 07:14 PM
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gchapman wrote:

ARDUINO UNO WiFi REV2

https://store.arduino.cc/arduino-uno-wiFi-rev2

 

 

Hmm, that says "It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. "

 

- but the image shows a crystal on the Mega23U, and what looks like just 32KHz support (EPSON?) on 4809 ? Or has the 4809 secretly added Crystal Oscillator back into the mix ?

Or is this just lazy copy/paste ?

 

 

Other designs have allowed a CLK out from the Debug chip, to feed the MCU, but I don't think they did that here ?

Any Schematics ?

 

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Is that a thermal relief around the thermal pad of that voltage regulator?

Paul van der Hoeven.
Bunch of old projects with AVR's:
http://www.hoevendesign.com

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Paulvdh wrote:

Is that a thermal relief around the thermal pad of that voltage regulator?

 

Looks like it - did you not expect that ?

Fairly common to do that to help better soldering flows. The added thermal resistance is tiny, compared to all the J-A adders.

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Who-me wrote:
... and what looks like just 32KHz support (EPSON?) on 4809 ? 
Yes

Who-me wrote:
Or has the 4809 secretly added Crystal Oscillator back into the mix ?
No

Who-me wrote:
Or is this just lazy copy/paste ?
A mistake

Who-me wrote:
Other designs have allowed a CLK out from the Debug chip, to feed the MCU, but I don't think they did that here ?
EXTCLK goes to a via then to ?

An educated guess is EXTCLK is connected to mega32U4 high speed T/C 4 OC.4A or its CLKO.

tiny817 Xplained Mini mEDBG has an optional clock out to the tiny817.

mega4809 Xplained Pro has mega4809 EXTCLK to a header pin.

Who-me wrote:
Any Schematics ?
Couldn't locate it from a first guess on a location.

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Sat. May 19, 2018 - 07:55 PM
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Hackaday.io

ATMega4809 developing board project

https://hackaday.io/project/134831-atmega4809-developing-board-project/

mega4809, mega88PA for UPDI, FTDI FT2232D USB dual UART, OLED

Details

Blinky test on ULTRA 4809 Explorer

https://hackaday.io/project/134831-atmega4809-developing-board-project/log/146590-blinky-test-on-ultra-4809-explorer

...

In the working directory, we also need  "avrdude.conf", which is available at ELTangas's jtag2updi repository.

...

via https://plus.google.com/u/0/106109247591403112418/posts/fBB4ycKiQTi

 

"Dare to be naïve." - Buckminster Fuller

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    I thought they resist to add Xmega to Arduino in order to be consistent on using the Mega328. Now I see they skip Xmega. Why ? What's wrong with Xmega ?

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angelu wrote:

    I thought they resist to add Xmega to Arduino in order to be consistent on using the Mega328. Now I see they skip Xmega. Why ? What's wrong with Xmega ?

 

3.3v only operation ?

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Nice, I'm happy that someone is using my programmer software on a product. From my github traffic, I can add that this board can be purchased here: https://www.tindie.com/products/...

 

And the fact that in this board an atmega88 is used to host the firmware made me notice that I can easily reduce the size of an array (I left a huge safety margin) and make it fit in an atmega48. That would save a few cents to the designer, not that it really matters in this case.

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"Dare to be naïve." - Buckminster Fuller

Last Edited: Sun. Jul 8, 2018 - 04:45 PM
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In Bob Martin's right hand is what appears to be an Arduino Uno WiFi rev 2 :

https://plus.google.com/+MicrochipTech/posts/PriSVyixBd6

 

"Dare to be naïve." - Buckminster Fuller

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gchapman wrote:

In Bob Martin's right hand is what appears to be an Arduino Uno WiFi rev 2 :

What's with the clear plastic holder / case thingy ?

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Maybe it's the display model from the Bay Area Maker Faire (mid-May'18)

 

"Dare to be naïve." - Buckminster Fuller

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wafer fabrication is by Microchip :

Microchip Technology Inc

Product Change Notification - GBNG-06LXXH156 - 25 Jun 2018 - CCB 2856 Final Notice: Qualification of Microchip Fabrication site (FAB 4) for selected Atmel products manufactured with the 59.91K process technology.

http://www.microchip.com/mymicrochip/NotificationDetails.aspx?pcn=GBNG-06LXXH156

https://www.microchip.com/mymicrochip/Data/GBNG-06LXXH156/GBNG-06LXXH156_Affected_CPN_06252018.pdf

...

 

Affected Catalog Part Numbers (CPN)

...

ATMEGA4809-MFR

ATMEGA3209-MFR

ATMEGA4808-MFR

ATMEGA3208-MFR

ATMEGA4808-AFR

ATMEGA3208-AFR

ATMEGA4809-AFR

ATMEGA3209-AFR

 

"Dare to be naïve." - Buckminster Fuller

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Do we have any idea what is "59.91k process technology" ?

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Was curious myself.  Google just points me to Microchip PCNs.

"Experience is what enables you to recognise a mistake the second time you make it."

"Good judgement comes from experience.  Experience comes from bad judgement."

"Wisdom is always wont to arrive late, and to be a little approximate on first possession."

"When you hear hoofbeats, think horses, not unicorns."

"Fast.  Cheap.  Good.  Pick two."

"Read a lot.  Write a lot."

"We see a lot of arses on handlebars around here." - [J Ekdahl]

 

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"Dare to be naïve." - Buckminster Fuller

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Arduino - ArduinoUnoWiFiRev2

Getting started with the Arduino Uno WiFi Rev2

https://www.arduino.cc/en/Guide/ArduinoUnoWiFiRev2

...

 

Please Read...

https://www.arduino.cc/en/Guide/ArduinoUnoWiFiRev2#toc11

...

The programming of the MEGA4809 happens through an ATmega 32U4 programmed with the mDBG code and creates a virtual COM port when connected to a PC.

...

Last revision 2018/06/26 by SM 
...

 

"Dare to be naïve." - Buckminster Fuller

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mDBG? Do they mean mEDBG?

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Yes though there's not much mEDBG at arduino.cc

 

"Dare to be naïve." - Buckminster Fuller

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mega3209 is a new arrival at Mouser :

https://www.mouser.com/new/microchip/microchip-atmega3209-mcu/

 

"Dare to be naïve." - Buckminster Fuller

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"Dare to be naïve." - Buckminster Fuller

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A wee bit more information in an interview of Fabio Violante (Arduino CEO) by Microchip's Bob Martin at the 2018 Bay Area Maker Faire.

Arduino and the Maker Movement: A conversation with Arduino’s CEO - YouTube

Microchip Technology

Jul 18, 2018

https://youtu.be/xFD6c_FhL2Q?t=3m35s for 1m45s

earlier in the video is on Arduino's MKR (SAM D21) series with a goal of low-rate production for customers in addition to prototyping. 

 

"Dare to be naïve." - Buckminster Fuller

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HP InfoTech

CodeVisionAVR V3 Revision History

http://hpinfotech.ro/cvavr_revision3.html

...

V3.33 Commercial Release

  • Compiler

...

  • Added compiler support for the AVR8X ATmega3208/3209/4808/4809 chips
  • Improved the code generated for the AVR8X chips

...

  • Fixed: @ operator address check for AVR8X EEPROM variables

...

 

  • CodeWizardAVR
    • Added a new Wizard for the AVR8X chips: ATtiny414/416/1614/1616/1617 and ATmega3208/3209/4808/4809

...

 

  • Chip Programmer
    • Added support for the Microchip EDBG programmer

...

 

"Dare to be naïve." - Buckminster Fuller

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YouTube

How to Use the Event System with AVR® ATmega4809

Microchip Technology

Aug 21, 2018

https://www.youtube.com/watch?v=WosagCSKdng (3m47s)

Have you ever wanted to periodically sample an ADC without using code? Have you ever wanted to trigger sensor readings without using CPU resources to do so? The Event System is a feature on some newer AVR® devices that allows autonomous communication between peripherals. This means that you can now trigger sensors, timers, and readings without needing CPU intervention. In this tutorial we will not only cover how to set up the Event System on an AVR device; but we will also cover how to utilize this feature to take more workload off of your CPU.

 

"Dare to be naïve." - Buckminster Fuller

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The forthcoming Microchip alternative :

https://www.microchip.com/wwwproducts/en/ATMEGA4809

Development Environment tab

...

(bottom)
AVR.IoT ATmega4808 WiFi ( AC164160 )

Hopefully will have EDBG instead of mEDBG (speed, etc); maybe nEDBG is good enough.

Likely will have a Microchip Wi-Fi module instead of an ESP32 module.

 

On same page is

ATmega4809-CNANO ( DM320115 )

...

(the fuzzy picture)
mega4809 with debugger on a breakout that's all pins (it's long) and 600mil wide, push button, LED is likely

NANO may mean nEDBG.

nEDBG is on the PIC16F18446 Sensor Board.

https://www.microchip.com/wwwproducts/en/PIC16F18446

 

"Dare to be naïve." - Buckminster Fuller

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Arduino Uno WiFi Rev2 will be a new arrival at Mouser with an ETA of 06-Nov-18. 31-Oct-18

https://www.mouser.com/new/arduino/arduino-uno-wifi-rev2/

 

Edits: typo, strikethru

 

 

"Dare to be naïve." - Buckminster Fuller

Last Edited: Wed. Oct 31, 2018 - 01:24 AM
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"Dare to be naïve." - Buckminster Fuller

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Microchip logo

Microchip Technology

Press Release

Create Secure Connected Applications in a Single Click with Microchip’s AVR MCU Development Board for Google Cloud

New solution enables developers to easily deploy IoT devices to Google Cloud IoT Core’s artificial intelligence and machine learning infrastructure

Chandler, Arizona

October 10, 2018

https://www.microchip.com/en/pressreleasepage/AVR-IoT-WG-development-board

...

The AVR-IoT WG Development Board gives developers the ability to add Google Cloud connectivity to new and existing projects with a single click using a free online portal at www.AVR-IoT.com.

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  • Powerful AVR microcontroller (MCU) with integrated peripherals: The ATmega4808 8-bit MCU brings the processing power and simplicity of the AVR architecture with added advanced sensing and robust actuation features. With the latest Core Independent Peripherals (CIPs) that decrease power consumption, it provides cutting-edge performance in real-time sensing and control applications.

[ATECC608A, ATWINC1510]

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Pricing and Availability

The AVR-IoT WG Development Board (AC164160) is available in volume production now for $29 each. For additional information, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s website. To purchase products mentioned in this press release, visit the AVR-IoT portalvisit our purchasing portal or contact one of Microchip’s authorized distribution partners.

 

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"Dare to be naïve." - Buckminster Fuller

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AVR IoT WG Development Board Introduction - YouTube

by Microchip Technology

Oct 10, 2018

https://www.youtube.com/watch?v=BqjFZjdBLH8 (3m56s)

via https://plus.google.com/+MicrochipTech/posts/X12HREh5HHT

 

Everything Supercon: This. Is. Big. | Hackaday

by 

October 8, 2018

https://hackaday.com/2018/10/08/everything-supercon-this-is-big/

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Come one, come all, this is the megapost about the Hackaday Superconference. Join us in Pasadena on November 2-4 for the hardware conference you cannot miss. Get your ticket quickly as they will sell out!

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Prototyping IoT Applications Using the AVR-IoT WG Development Board

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via https://plus.google.com/+MicrochipTech/posts/6LTrUeocKu6

 

"Dare to be naïve." - Buckminster Fuller

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Total votes: 1

I'm sure it will be a great conference, but this November I'm going to Electronica, it's closer to home and my funds are not unlimitedfrown

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