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Merge pull request #1145 from arduino/seaxwi-patch-2
[MKC-1015]Fix range of PWM pins
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‎content/hardware/10.mega/boards/giga-r1-wifi/datasheet/datasheet.md‎

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# Description
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The Arduino GIGA R1 WiFi brings the power of the STM32H7 to the Mega form factor, being the first Mega board to include onboard Wi-Fi® and Bluetooth® connectivity. The board provides 76 digital inputs/outputs (12 with PWM capability), 14 analog inputs and 2 analog outputs (DAC) all easily accessible via pin headers. The STM32 microprocessor with dual-core Cortex® M7 and Cortex® M4, together with onboard memory and audio jack enables you to perform machine learning and signal processing on the edge.
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The Arduino GIGA R1 WiFi brings the power of the STM32H7 to the Mega form factor, being the first Mega board to include onboard Wi-Fi® and Bluetooth® connectivity. The board provides 76 digital inputs/outputs (13 with PWM capability), 14 analog inputs and 2 analog outputs (DAC) all easily accessible via pin headers. The STM32 microprocessor with dual-core Cortex® M7 and Cortex® M4, together with onboard memory and audio jack enables you to perform machine learning and signal processing on the edge.
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# Target Areas
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- **I/O**
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- Digital I/O Pins: 76
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- Analog input pins: 12
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- PWM pins: 12
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- PWM pins: 13
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- Analog output pins (DAC0/DAC1): 2
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- USB Host: USB 2.0 A
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- USB Peripheral: USB-C®
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- **Power**
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- Circuit operating voltage: 3.3V
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- Input voltage (VIN): 6-24V
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- DC Current per I/O Pin: 8 mA
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- DC Current per I/O Pin: 8 mA
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# Contents
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### Digital
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| Pin | Function | Type | Description |
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|-----|----------|---------|------------------------------------------|
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| 1 | D21/SCL1 | Digital | GPIO 21/I2C 1 Clock |
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| 2 | D20/SDA1 | Digital | GPIO 20/I2C 1 Dataline |
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| 3 | AREF | Digital | Analog Reference Voltage |
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| 4 | GND | Power | Ground |
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| 5 | D13/SCK | Digital | GPIO 13/SPI Clock |
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| 6 | D12/CIPO | Digital | GPIO 12/SPI Controller In Peripheral Out |
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| 7 | D11/COPI | Digital | GPIO 11/SPI Controller Out Peripheral In |
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| 8 | D10/CS | Digital | GPIO 10/SPI Chip Select |
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| 9 | D9/SDA2 | Digital | GPIO 9/I2C 2 Dataline |
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| 10 | D8/SCL2 | Digital | GPIO 8/I2C 2 Clockline |
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| 11 | D7 | Digital | GPIO 7 |
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| 12 | D6 | Digital | GPIO 6 |
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| 13 | D5 | Digital | GPIO 5 |
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| 14 | D4 | Digital | GPIO 4 |
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| 15 | D3 | Digital | GPIO 3 |
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| 16 | D2 | Digital | GPIO 2 |
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| 17 | D1/TX0 | Digital | GPIO 1 / Serial 0 Transmitter |
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| 18 | D0/TX0 | Digital | GPIO 0 / Serial 0 Receiver |
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| 19 | D14/TX3 | Digital | GPIO 14 / Serial 3 Transmitter |
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| 20 | D15/RX3 | Digital | GPIO 15 / Serial 3 Receiver |
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| 21 | D16/TX2 | Digital | GPIO 16 / Serial 2 Transmitter |
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| 22 | D17/RX2 | Digital | GPIO 17 / Serial 2 Receiver |
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| 23 | D18/TX1 | Digital | GPIO 18 / Serial 1 Transmitter |
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| 24 | D19/RX1 | Digital | GPIO 19 / Serial 1 Receiver |
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| 25 | D20/SDA | Digital | GPIO 20 / I2C 0 Dataline |
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| 26 | D21/SCL | Digital | GPIO 21 / I2C 0 Clock |
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| Pin | Function | Type | Description |
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|-----|----------|---------|------------------------------------------------|
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| 1 | D21/SCL1 | Digital | GPIO 21/I2C 1 Clock |
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| 2 | D20/SDA1 | Digital | GPIO 20/I2C 1 Dataline (PWM~) |
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| 3 | AREF | Digital | Analog Reference Voltage (PWM~) |
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| 4 | GND | Power | Ground (PWM~) |
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| 5 | D13/SCK | Digital | GPIO 13/SPI Clock (PWM~) |
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| 6 | D12/CIPO | Digital | GPIO 12/SPI Controller In Peripheral Out (PWM~)|
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| 7 | D11/COPI | Digital | GPIO 11/SPI Controller Out Peripheral In (PWM~)|
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| 8 | D10/CS | Digital | GPIO 10/SPI Chip Select (PWM~) |
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| 9 | D9/SDA2 | Digital | GPIO 9/I2C 2 Dataline (PWM~) |
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| 10 | D8/SCL2 | Digital | GPIO 8/I2C 2 Clockline (PWM~) |
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| 11 | D7 | Digital | GPIO 7 (PWM~) |
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| 12 | D6 | Digital | GPIO 6 (PWM~) |
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| 13 | D5 | Digital | GPIO 5 (PWM~) |
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| 14 | D4 | Digital | GPIO 4 |
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| 15 | D3 | Digital | GPIO 3 |
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| 16 | D2 | Digital | GPIO 2 |
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| 17 | D1/TX0 | Digital | GPIO 1 / Serial 0 Transmitter |
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| 18 | D0/TX0 | Digital | GPIO 0 / Serial 0 Receiver |
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| 19 | D14/TX3 | Digital | GPIO 14 / Serial 3 Transmitter |
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| 20 | D15/RX3 | Digital | GPIO 15 / Serial 3 Receiver |
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| 21 | D16/TX2 | Digital | GPIO 16 / Serial 2 Transmitter |
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| 22 | D17/RX2 | Digital | GPIO 17 / Serial 2 Receiver |
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| 23 | D18/TX1 | Digital | GPIO 18 / Serial 1 Transmitter |
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| 24 | D19/RX1 | Digital | GPIO 19 / Serial 1 Receiver |
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| 25 | D20/SDA | Digital | GPIO 20 / I2C 0 Dataline |
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| 26 | D21/SCL | Digital | GPIO 21 / I2C 0 Clock |
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### STM32 ICSP
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## Change Log
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| **Date** | **Changes** |
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|------------|-------------|
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| 03/02/2023 | Release |
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| **Date** | **Changes** |
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| ---------- | ------------- |
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| 03/02/2023 | Release |
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| 12/07/2023 | Pinout Update |

‎content/hardware/10.mega/boards/giga-r1-wifi/downloads/ABX00063-full-pinout.pdf‎

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‎content/hardware/10.mega/boards/giga-r1-wifi/downloads/ABX00063-pinout.png‎

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‎content/hardware/10.mega/boards/giga-r1-wifi/interactive/ABX00063-pinout.png‎

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‎content/hardware/10.mega/boards/giga-r1-wifi/tutorials/cheat-sheet/cheat-sheet.md‎

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PWM (Pulse Width Modulation) capability allows a digital pin to emulate analog output by flickering on and off very fast letting you, among other things, dim LEDs connected to digital pins.
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The **GIGA R1** has 12 PWM capable pins, the PWM capable pins are 2-12. You may use them as analog output pins with the function:
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The **GIGA R1** has 12 PWM capable pins, the PWM capable pins are 2-13. You may use them as analog output pins with the function:
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```arduino
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analogWrite(pin, value);

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