STM32L4Q5CGT6

STM32L4Q5CGT6 is an ultra-low-power microcontroller from STMicroelectronics’ STM32L4Q family. It features an ARM Cortex-M4F core (DSP and FPU) and delivers a good balance of performance and energy efficiency, typically up to around 80 MHz.
Key points:
- Power: wide operating voltage (≈1.65–3.6 V) with deep sleep/stop/standby modes and RTC support for long battery life.
- Memory: fixed per device; generally hundreds of KB of RAM and hundreds of KB to a few MB of flash (see datasheet for exact sizes).
- Peripherals: timers, ADCs/DAC where applicable, USART/UART, I2C, SPI/I2S, USB Full-Speed, CAN, RNG, cryptographic accelerator, and LCD controller on some variants; multiple power domains.
- Package: available in compact packages suitable for space-constrained designs (CGT6 variant).
- Tools: STM32CubeIDE with HAL/LL drivers and CubeMX for configuration.
Typical applications: wearables, sensor nodes, IoT devices, and medical/industrial sensing requiring low power and decent performance. For exact specs (memory, pins, package), refer to the official datasheet/product page.

Key features of STM32L4Q5CGT6:
- Core: ARM Cortex-M4F with single-precision FPU and DSP, up to 80 MHz.
- Ultra-low power: multiple low-power modes (Stop, Standby); RTC; very low leakage in sleep.
- Memory: up to 2 MB Flash; up to 320 KB SRAM; EEPROM emulation support.
- Peripherals: USB 2.0 Full-Speed (device); LCD-TFT controller; 12-bit ADC (multi-channel); 12-bit DAC; multiple timers (general-purpose and advanced); I2C, SPI, USART/UART; CAN.
- DMA: Direct memory access for peripherals and memory.
- Security/crypto: hardware crypto engine (AES/DES/Hash), TRNG, memory protection unit (MPU).
- Data integrity: CRC32 accelerator.
- Package: CGT6 variant in LQFP-style package (high pin count) suitable for embedded, automotive-grade environments.
- Operating range: 1.65–3.6 V supply; temperature range typically -40°C to 85°C (industrial) or broader in specific grades.
- Other: rich set of communication interfaces (I2S, CAN, etc.), silicon-protected peripherals for reliability.
Note: exact memory sizes, peripheral counts, and temperature range depend on the specific wafer/packaging options in this variant.

LQFP-176 (176-pin Quad Flat Pack), T6 variant (lead-free, industrial temp).

- Pin count: 176 pins (LQFP176 package, CGT6)
- Function: 32-bit ARM Cortex-M4 microcontroller (STM32L4Q5 family) from STMicroelectronics, a low-power MCU with embedded memory and peripherals for embedded control and sensing applications.

- Manufacturer: STMicroelectronics (ST)
- About the company: A global multinational electronics and semiconductor company (French-Italian origin; headquartered in Switzerland) that designs and manufactures a broad range of semiconductors, including microcontrollers, sensors, and analog/power ICs.

STM32L4Q5CGT6 is a low‑power MCU suitable for energy‑efficient designs. Common application areas include:
- Wearables and medical sensors
- IoT edge devices and smart meters
- Industrial sensors and remote telemetry
- Consumer electronics and handheld devices
- Home automation and smart appliances
- Secure edge devices (encryption, secure boot, trusted features)