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Merge pull request #834 from arduino/taddy/uno-q/datasheet-update
[PXCT-1199] Imola Datasheet Documentation Post Update
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‎content/hardware/02.uno/boards/uno-q/datasheet/assets/ABX00162-ABX00173-user-button.png‎ renamed to ‎content/hardware/02.uno/boards/uno-q/datasheet/assets/ABX00162-ABX00173-power-button.png‎

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‎content/hardware/02.uno/boards/uno-q/datasheet/datasheet.md‎

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@@ -59,11 +59,11 @@ UNO Q is available in two variants:
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![](assets/ABX00162-ABX00173-main-components.png)
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| **Subsystem** | **Details** |
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|---------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| **Subsystem** | **Details** |
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|---------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Main MPU | - Qualcomm Dragonwing™ QRB2210 - System-on-Chip (SoC) (MPU) (SOC1): 4 × Arm Cortex-A53 @ 2.0 GHz, 64-bit <br></br>- Adreno 702 GPU @ 845 MHz (3D graphics) <br></br>- Dual ISPs: 13 MP + 13 MP or 25 MP @ 30 fps <br></br>- Debian OS (upstream support) <br></br>- I/O: USB 3.1 with Role-Switching Capabilities over USB Connector, SDIO 3.0, 4-lane MIPI-CSI-2 & 4-lane MIPI-DSI |
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| Real-time MCU | - ST STM32U585 (MCU) (MCU1), Arm Cortex-M33 up to 160 MHz <br></br>- Arduino Core on Zephyr OS <br></br>- 2 MB Flash, 786 kB SRAM |
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| System Memory | - eMMC 16 or 32 GB options (EMMC1) for OS/data <br></br>- LPDDR4X 2GB or 4 GB options (single-rank, 32-bit) (DRAM1) |
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| Real-time MCU | - ST STM32U585 (MCU) (MCU1), Arm Cortex-M33 up to 160 MHz <br></br>- Arduino Core on Zephyr OS <br></br>- 2 MB Flash, 786 kB SRAM |
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| System Memory | - eMMC 16 or 32 GB options (EMMC1) for OS/data <br></br>- LPDDR4X 2GB or 4 GB options (single-rank, 32-bit) (DRAM1) |
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<p style="text-align: justify;">The Qualcomm Dragonwing™ QRB2210 I/O operates at 1.8 V.
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The MPU drives the MIPI-CSI-2 camera and MIPI-DSI display interfaces on JMEDIA, and the 1.8 V MPU (SoC) GPIO and audio endpoints exposed on JMISC.
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![](assets/ABX00162-ABX00173-comm-components.png)
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| **Subsystem** | **Details** |
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|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Wireless Module | - WCBN3536A (Qualcomm WCN3980) (U2901) <br></br>- Wi-Fi® 5 802.11a/b/g/n/ac (dual-band) + Bluetooth® 5.1 |
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| **Subsystem** | **Details** |
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|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Wireless Module | - WCBN3536A (Qualcomm WCN3980) (U2901) <br></br>- Wi-Fi® 5 802.11a/b/g/n/ac (dual-band) + Bluetooth® 5.1 |
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| USB-C Port (JUSB1) | - USB 3.1 with Role-Switching Capabilities<br></br>- DisplayPort Alt-Mode via the ANX7625 DSI-to-DP bridge (U3001) (SuperSpeed differential pairs on the Type-C are routed for DP Alt Mode)<br></br>- USB Power Delivery negotiation requests a **5 V / 3 A** contract only (no higher-voltage profiles)<br></br>- VBUS load-switch/back-drive protection (Q2801) |
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![](assets/ABX00162-ABX00173-header-expansion.png)
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| **Interface (Connector)** | **Voltage & Pin Count** | **Details** |
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|---------------------------|-------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| JMEDIA (JMEDIA1) | 1.8 V signals, 60-pin | - High-speed camera/display lanes (MIPI DSI, CSI) <br></br>- Camera control bus (CCI I²C) - dedicated, not general-purpose GPIO <br></br>- Camera clocks (SOC_CAM_MCLK0/1) <br></br>- Also carries power rails (+3V3 OUT, VIN IN) and GND |
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| **Interface (Connector)** | **Voltage & Pin Count** | **Details** |
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|---------------------------|-------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| JMEDIA (JMEDIA1) | 1.8 V signals, 60-pin | - High-speed camera/display lanes (MIPI DSI, CSI) <br></br>- Camera control bus (CCI I²C) - dedicated, not general-purpose GPIO <br></br>- Camera clocks (SOC_CAM_MCLK0/1) <br></br>- Also carries power rails (+3V3 OUT, VIN IN) and GND |
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| JMISC (JMISC1) | Mixed 1.8 V / 3.3 V, 60-pin | - Mixed GPIO and SDIO <br></br>- MCU peripherals: SDMMC1, TRACE, PSSI (parallel camera), I²C4, MCO/CRS_SYNC, OPAMP1 pins <br></br>- Audio endpoints: Mic2 INP/INM/BIAS, Headphone L/R + REF, LineOut P/M, Earpiece P/R, HS_DET <br></br>- MPU (SoC) GPIO banks (SE0) at 1.8 V <br></br>- Also carries power rails (+5V USB OUT, +3V3 OUT, +1V8 OUT, VBAT IN, VCOIN IN) and GND |
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| JCTL (JCTL1) | 1.8 V, 10-pin | - SE4 UART console <br></br>- Forced USB boot input <br></br>- PMIC reset input <br></br>- VBUS power-switch disable <br></br>- 1.8 V rail and GND |
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| JDIGITAL (JDIGITAL1) | 3.3 V, 18-pin | - Digital I/O for SPI, I²C, UART, PWM, CAN |
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| JANALOG (JANALOG1) | 3.3 V, 14-pin | - Analog I/O <br></br>- ADC channels and references |
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| JSPI (JSPI1) | 3.3 V logic, 6-pin + 5 V VBUS | - Dedicated SPI: MOSI, MISO, SCLK <br></br>- MCU reset (NRST) <br></br>- Ground <br></br>- 5 V VBUS (USB power) |
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| Qwiic (QWIIC1) | 3.3 V, 4-pin | - I²C (Qwiic ecosystem) |
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| JDIGITAL (JDIGITAL1) | 3.3 V, 18-pin | - Digital I/O for SPI, I²C, UART, PWM, CAN |
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| JANALOG (JANALOG1) | 3.3 V, 14-pin | - Analog I/O <br></br>- ADC channels and references |
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| JSPI (JSPI1) | 3.3 V logic, 6-pin + 5 V VBUS | - Dedicated SPI: MOSI, MISO, SCLK <br></br>- MCU reset (NRST) <br></br>- Ground <br></br>- 5 V VBUS (USB power) |
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| Qwiic (QWIIC1) | 3.3 V, 4-pin | - I²C (Qwiic ecosystem) |
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### Related Products
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- **RGB LED 1 (D27301):** channels: `red:user` → **GPIO_41**, `green:user` → **GPIO_42**, `blue:user` → **GPIO_60**.
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- **RGB LED 2 (D27302):** channels: `red:panic` → **GPIO_39**, `green:wlan` → **GPIO_40**, `blue:bt` → **GPIO_47**.
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PWM refresh is approximately 2 kHz to support smooth color transitions.
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By default, RGB LED 2 indicates system status, `PANIC`, `WLAN`, and `BT`, but it can also be user-controlled. PWM frequency is approximately 2 kHz for smooth color transitions.
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- **RGB LEDs (MCU-controlled):** Two tri-color LEDs are driven by the STM32U585.
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- **RGB LED 3 (D27401):** `LED3_R` → **PH10**, `LED3_G` → **PH11**, `LED3_B` → **PH12**.
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- **RGB LED 4 (D27402):** `LED4_R` → **PH13**, `LED4_G` → **PH14**, `LED4_B` → **PH15**.
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<div style="background-color: rgba(0, 170, 228, 0.2); border-left: 6px solid rgba(0, 120, 180, 1); margin: 20px 0; padding: 15px;">
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The RGB LEDs are active-low, meaning they turn on when driven to logic `0`.
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</div>
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- **LED matrix (D27001..D27104):** 8 × 13 monochrome blue LED matrix (104 pixels) driven by the STM32U585. It displays the boot logo for approximately 20–30 seconds during Linux startup. Accessing the matrix before startup completes may interfere with MCU operation.
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- **Power LED (D27201):** Green indicator tied to the 3.3 V rail and illuminated whenever the board is powered.
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### JANALOG (A3) (JANALOG1) - Pin Map
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| **Pin** | **Designation** | **Net / MCU pin** | **Functions** | **Domain** | **Notes** |
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| ------: | --------------- | ----------------- | -------------------------------------------------------- | -------------- | ----------------------------- |
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|--------:|-----------------|-------------------|----------------------------------------------------------|----------------|-------------------------------|
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| 1 | BOOT | MCU_BOOT0 | - Boot strap | 3.3 V | - |
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| 2 | IOREF | PWR_3P3V | - I/O voltage reference (mirrors 3.3 V rail) | Power | Output only; do not back-feed |
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| 3 | RESET | MCU_NRST | - MCU reset | 3.3 V | - |
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<div style="page-break-after: always;"></div>
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### User Button
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### Power Button
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<p style="text-align: justify;">UNO Q includes a <strong>user button (JBTN1)</strong> you can use for basic device control or custom actions from your App.</p>
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<p style="text-align: justify;">UNO Q includes a <strong>power button (JBTN1)</strong> you can use to reboot the board.</p>
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![UNO Q User Button](assets/ABX00162-ABX00173-user-button.png)
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![UNO Q Power Button](assets/ABX00162-ABX00173-power-button.png)
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<ul>
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<li><strong>Short press:</strong> reserved for user-defined actions (e.g., toggling an App feature). <em>Support for custom short-press handling is under development.</em></li>
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<li><strong>Long press (≥ 5 s):</strong> reboots the Linux system (MPU). This does not cut power to the board.</li>
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</ul>
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<strong>Long press (≥ 5 s):</strong> reboots the Linux system (MPU). This does not cut power to the board.
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<div style="background-color: rgba(0, 170, 228, 0.2); border-left: 6px solid rgba(0, 120, 180, 1); margin: 20px 0; padding: 15px;">
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<strong>Note:</strong> A long-press reboot restarts the Linux environment and may interrupt running Apps. Save work and ensure safe shutdown of external processes where applicable. The MCU continues running unless your firmware explicitly resets it.
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<strong>Note:</strong> A long-press reboot restarts the Linux environment and may interrupt running Apps. Save work and ensure safe shutdown of external processes where applicable. The board boots up automatically when power is supplied. Pressing the button is not required for normal boot.
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</div>
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### Online Resources

‎content/hardware/02.uno/boards/uno-q/downloads/ABX00162-datasheet.pdf‎

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‎content/hardware/02.uno/boards/uno-q/downloads/ABX00173-datasheet.pdf‎

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