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| atmel:n76e003 [2019/09/28 22:23] – minerva9 | atmel:n76e003 [2019/09/28 22:36] – minerva9 | ||
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| - | Note: Whilst the above picture is a good overview, it doesn' | + | \\ |
| + | Note: Whilst the above picture is a good overview, it doesn' | ||
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| === The Dev board === | === The Dev board === | ||
| The board that I have (as pictured above) measures about 42mm x 30mm. It's pretty small, yet space has been made for four M3 mounting holes. | The board that I have (as pictured above) measures about 42mm x 30mm. It's pretty small, yet space has been made for four M3 mounting holes. | ||
| - | The chip is centrally positioned. This board has a Mini-B USB connector fitted. Seems that this is just used to feed 5V to the board - the data lines on the connector don't seem to be hooked up to anything. A surface mounted LED lights up when power is applied via the Micro-B. The other LED on the board is attached (via a resistor) to port pin P15 - the Jumper ' | + | The chip is centrally positioned. This board has a mini-B USB connector fitted. Seems that this is just used to feed 5V to the board - the data lines on the connector don't seem to be hooked up to anything. A surface mounted LED lights up when power is applied via the mini-B. The other LED on the board is attached (via a resistor) to port pin P15 - the Jumper ' |
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| The chip can work at supply voltages between 2.4V and 5.5V. The board uses a AMS1117 3.3V regulator to drop the 5V USB fed line. Not sure why they bothered, but there we have it. I've seen a variant of this board that is fitted with a 5V/3.3V selector switch. | The chip can work at supply voltages between 2.4V and 5.5V. The board uses a AMS1117 3.3V regulator to drop the 5V USB fed line. Not sure why they bothered, but there we have it. I've seen a variant of this board that is fitted with a 5V/3.3V selector switch. | ||
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| === Some ideas === | === Some ideas === | ||
| - | This chip has both user program and bootloader areas. It should be possible to use the Nuvotron | + | This chip has both user program and bootloader areas. It should be possible to use the Nuvoton |
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| ToDo: Need to find out if the board comes pre-supplied with a bootloader. | ToDo: Need to find out if the board comes pre-supplied with a bootloader. | ||