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boards:nano [2015/01/09 17:09] darron |
boards:nano [2016/07/21 18:43] |
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- | ==== Nano 3.0 ==== | ||
- | <wrap right> | ||
- | {{: | ||
- | </ | ||
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- | This example is a clone with a [[interfaces: | ||
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- | The clones are very cheap and are nano 3.0 compatible with a ATMEGA328P micro-controller and 16 MHz XTAL. | ||
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- | === Pinout === | ||
- | < | ||
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- | D1 TX | ||
- | D0 RX | ||
- | RESET | ||
- | GND | ||
- | D2 INT0 | ||
- | D3 INT1 | ||
- | D4 7| PD4 PC5 |24 A5 SCL | ||
- | D5 8| PD5 PC4 |23 A4 SDA | ||
- | D6 9| PD6 PC3 |22 A3 | ||
- | D7 | ||
- | D8 | ||
- | D9 | ||
- | D10 SS | ||
- | D11 MOSI | ||
- | D12 MISO | ||
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- | </ | ||
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- | === Power === | ||
- | This device is either powered from the USB bus of from VIN which feeds a 5V LDO regulator. | ||
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- | The V3 pin on the CH340G (4) is used to generate the external 3V3 power on pin 17. The maximum current capability is unknown. | ||
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- | === Communications === | ||
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- | Communications is via the built-in CH340G usb to serial bridge. This device can achieve 115200 baud. | ||
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- | === Boot loader === | ||
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- | An arduino boot loader is present on this device by default running at 57600 baud. Installation of optiboot is recommended to increase this speed to 115200. | ||
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- | === ISP === | ||
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- | A 6-pin ATMEL ISP header is present. This will require a ISP adapter for the [[: | ||
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- | < | ||
- | D12 MISO PB4 |1 2| VDD | ||
- | D13 SCK PB5 |3 4| D11 MOSI PB3 | ||
- | RESET |5 6| GND | ||
- | </ | ||