[PXCT-1576] - Nano R4 UART Documentation on Docs (Update) #2742
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TaddyHC
approved these changes
Dec 2, 2025
| | Digital Inputs | GPIO (21x - All exposed I/O can be used as digital), PWM (6x) | | ||
| | Analog Inputs | 14-bit ADC (8x) | | ||
| | Real-time Clock (RTC) | Yes (external crystal oscillator included) | | ||
| | Communication | UART (2x: Serial: USB, Serial1: D0/D1), I2C (2x) (5 V over breakout and 3.3 V over Qwiic), SPI (1x), CAN (external transceiver required) (1x) | |
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| | Communication | UART (2x: Serial: USB, Serial1: D0/D1), I2C (2x) (5 V over breakout and 3.3 V over Qwiic), SPI (1x), CAN (external transceiver required) (1x) | | |
| | Communication | Serial interfaces (2x: Serial over USB, Serial1 on D0/D1), I2C (2x) (5 V over breakout and 3.3 V over Qwiic), SPI (1x), CAN (external transceiver required) (1x) | | |
To give them idea of being serial interfaces
| PWM pins: 6 | ||
| External interrupts: 2,3 | ||
| Communication: | ||
| UART: "2 (Serial: USB, Serial1: D0/D1)" |
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| UART: "2 (Serial: USB, Serial1: D0/D1)" | |
| Serial interfaces: "2 (Serial over USB, Serial1 on D0/D1)" | |
To give them idea of being serial interfaces
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