@@ -50,7 +50,7 @@ connections. Compared to its predecessors the board has a much larger memory: 8
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| Internal Memory | 256 kB Flash / 32 kB RAM / 8 kB EEPROM |
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| USB Connectivity | USB-C® port for power and data |
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| Power | Input voltage (VIN): 6-21 V / Power via USB-C® at 5 V |
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- | Digital Inputs | GPIO (x21 - All exposed I/O can be used as digital), PWM (x8 ) |
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+ | Digital Inputs | GPIO (x21 - All exposed I/O can be used as digital), PWM (x6 ) |
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| Analog Inputs | 14-bit ADC (x8) |
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| Communication | UART (x1), I2C (x2) (5 V and 3.3 V over Qwiic), SPI (x1), CAN (external transceiver required) (x1) |
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| Dimensions | 18 mm x 45 mm |
@@ -83,10 +83,10 @@ The Nano R4 has a DAC with up to 12-bit resolution attached to the A0 analog pin
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### Qwiic I2C Connector
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- ![ Arduino Nano R4 Qwiic Connector] ( assets/Nano_R4-Qwiic-connector.png )
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The I2C Qwiic connector SM04B-SRSS-TB(LF)(SN) is connected to a secondary I2C bus on the board. Note that this connector is powered via 3.3 V.
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+ ![ Arduino Nano R4 Qwiic Connector] ( assets/Nano_R4-Qwiic-connector.png )
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The standard I2C is accessible through the following pin connections:
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** JP1 header**
@@ -159,15 +159,15 @@ The standard I2C is accessible through the following pin connections:
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| Pin | Function | Type | Description |
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| --- | ------------ | -------- | --------------------------------------- |
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| 1 | D12 / CIPO\* | Digital | Controller In Peripheral Out |
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- | 2 | D11 / COPI\* | Digital | Controller Out Peripheral In |
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- | 3 | D10 / CS\* | Digital | Chip Select |
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- | 4 | D9 | Digital | Digital pin 9 |
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+ | 2 | D11 / COPI\* | Digital | Controller Out Peripheral In / PWM |
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+ | 3 | D10 / CS\* | Digital | Chip Select / PWM |
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+ | 4 | D9 | Digital | Digital pin 9 / PWM |
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| 5 | D8 | Digital | Digital pin 8 |
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| 6 | D7 | Digital | Digital pin 7 |
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- | 7 | D6 | Digital | Digital pin 6 |
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- | 8 | D5 | Digital | Digital pin 5 |
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+ | 7 | D6 | Digital | Digital pin 6 / PWM |
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+ | 8 | D5 | Digital | Digital pin 5 / PWM |
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| 9 | D4 | Digital | Digital pin 4 |
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- | 10 | D3 | Digital | Digital pin 3 |
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+ | 10 | D3 | Digital | Digital pin 3 / PWM |
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| 11 | D2 | Digital | Digital pin 2 |
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| 12 | GND | Power | Ground |
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| 13 | RST | Internal | Reset |
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