HX6539-A04TLDG

Microcontrollers Overview

The HX6539-A04TLDG is an ultra-low power, high-performance microcontroller designed for battery-powered TinyML applications. It features a 400MHz ARC EM9D DSP core with FPU and XY local data memory architecture to accelerate neural network convolution operations. The device includes 2MB of internal ultra-low-leakage SRAMs, comprising 320kB program ICCM, 320kB data DCCM/XCCM/YCCM, and 1472kB system memory. It supports hardware image accelerators, secure boot, and rich peripheral interfaces including CMOS sensor, audio I2S/PDM, SPI, I2C, UART, GPIO, and ADC.

Microcontrollers Feature Summary

• Ultra-low power and high-performance ARC EM9D DSP with FPU
• Hardware image accelerators for vision tasks
• Security engine for secure boot and OTA updates
• Rich peripheral interfaces including sensor and audio inputs

Microcontrollers Applications

• Battery-powered TinyML applications
• Always-on Computer Vision applications
• IoT embedded applications requiring secure boot

Microcontrollers Procurement Notes

Verify the specific package type LQFP-128 matches your design requirements. Confirm the operating voltage range of 1.8V for core and 1.8V to 3.3V for I/Os aligns with your system power rails. Ensure compatibility with the 24 MHz and 32 kHz crystal oscillator requirements for clock management.

Microcontrollers Selection Notes

Select this model when a 16mm x 16mm LQFP-128 package is required instead of QFN or WLCSP options. Choose based on the need for integrated 2MB SRAM and hardware security features for edge AI inference. Consider the 400MHz DSP core performance for complex neural network models in low-power environments.

Microcontrollers Part Context

The HX6539-A04TLDG belongs to the HX6537/39/40-A WE-I Plus ASIC family. This series is engineered for ultra-low power consumption while delivering high performance for edge computing tasks. The A04 suffix typically denotes a specific temperature grade or revision within the product line, though exact details require manufacturer confirmation.

Microcontrollers Replacement Considerations

HX6537-A (QFN-72) and HX6540-A (WLCSP-38) are pin-compatible alternatives within the same family offering different package sizes.