i.MX6ULL-dat
📘 i.MX6ULL Overview
The i.MX6ULL is a cost-effective, low-power application processor developed by NXP (formerly Freescale). It's part of the i.MX6 family, based on the ARM Cortex-A7 architecture, and is widely used in industrial and IoT embedded systems.
🧠 Quick Summary
| Feature | Details |
|---|---|
| CPU Core | ARM Cortex-A7 (single core) |
| Max Clock Speed | Up to 900 MHz |
| Architecture | ARMv7-A (32-bit) |
| Manufacturing | 40nm process |
| Memory Support | DDR3, DDR3L, LPDDR2 |
| Interfaces | UART, SPI, I2C, CAN, USB, Ethernet, LCD |
| GPU | None (no graphics engine) |
| Power Efficiency | Very low power consumption |
| Package | BGA169, compact for small devices |
| Target Use Cases | Industrial HMI, IoT gateways, POS, medical, smart home |
🔌 Common Peripherals
- Ethernet 10/100 Mbps
- USB 2.0 Host and OTG
- SD / eMMC storage
- LCD interface (24-bit RGB)
- Touch screen controller (I2C)
- Audio interfaces (I2S / SAI)
- UART, SPI, I2C, PWM, ADC, GPIO
- CAN bus (on some variants)
✅ Strengths
- Low cost and very power-efficient
- Broad peripheral support
- Ideal for headless embedded systems
- Long-term supply commitment from NXP
- Strong Linux and Yocto support
- Compact package suitable for small devices
❌ Limitations
- No GPU – Not suitable for GUI-heavy applications
- Single-core – Lower performance compared to other i.MX6 variants
- No VPU (video decode/encode) – not for multimedia workloads
📦 Common Boards Using i.MX6ULL
- NXP i.MX6ULL EVK
- Toradex Colibri iMX6ULL
- SoMLabs VisionSOM-6ULL
- FriendlyARM NanoPi Duo / Duo2
- Various industrial custom boards
🛠️ Software Support
- Linux (mainline and NXP BSP)
- U-Boot bootloader
- Yocto Project (meta-freescale)
- Buildroot
- RTOS (e.g. Zephyr, with limitations)
- Secure Boot support (on select variants)
🔚 Conclusion
The i.MX6ULL is best suited for:
- Low-cost industrial control
- IoT edge devices
- Smart meters and POS
- Audio gateways
- Any application that requires reliability, low power, and moderate CPU performance.