Overview
The STM32L486ZGT6 is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm Cortex-M4 32-bit RISC core. This device operates at a frequency of up to 80 MHz and features a single-precision Floating Point Unit (FPU) that supports all Arm single-precision data-processing instructions and data types. The STM32L486ZGT6 is designed to provide exceptional computational performance, advanced security features, and low-power consumption, making it suitable for a wide range of applications requiring high efficiency and reliability.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 32-bit RISC core with FPU |
| Operating Frequency | Up to 80 MHz |
| Flash Memory | 1 Mbyte |
| SRAM | 128 Kbyte (96 Kbyte + 32 Kbyte with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 V to 1.32 V (external SMPS) |
| Temperature Range | -40°C to +85°C, -40°C to +105°C, -40°C to +125°C |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two DAC channels |
| Timers | Two 32-bit timers, two 16-bit PWM timers, seven 16-bit timers, two 16-bit low-power timers |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN, one USB OTG full-speed |
| Package | 144-pin LQFP |
Key Features
- Ultra-Low Power Consumption: The STM32L486ZGT6 features advanced power-saving modes, including Sleep, Stop, and Standby modes, to minimize power consumption.
- High-Performance Core: The Arm Cortex-M4 core with FPU supports DSP instructions and provides high computational performance.
- Memory Protection Unit (MPU): Enhances application security by managing CPU accesses to memory and preventing accidental corruption.
- Advanced Peripherals: Includes multiple ADCs, DACs, operational amplifiers, comparators, and a touch sensing controller.
- Communication Interfaces: Supports a wide range of communication interfaces such as I2C, SPI, USART, UART, CAN, and USB OTG full-speed.
- Integrated LCD Driver: Features an integrated LCD driver with an internal step-up converter.
- AES Hardware Accelerator: Includes an AES hardware accelerator for enhanced security.
- Capacitive Sensing: Up to 24 capacitive sensing channels are available.
- Low-Power RTC: A low-power real-time clock (RTC) with backup capabilities.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial IoT applications.
- Medical Devices: Ideal for medical devices requiring low power consumption and high computational performance.
- Consumer Electronics: Used in various consumer electronics such as smart home devices, wearables, and handheld devices.
- Automotive Systems: Can be used in automotive systems for control and monitoring applications.
- IoT Devices: Suitable for IoT devices that require low power consumption and advanced communication capabilities.
Q & A
- What is the core architecture of the STM32L486ZGT6?
The STM32L486ZGT6 is based on the Arm Cortex-M4 32-bit RISC core with a single-precision Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L486ZGT6?
The maximum operating frequency is up to 80 MHz.
- How much flash memory and SRAM does the STM32L486ZGT6 have?
The device has 1 Mbyte of flash memory and 128 Kbyte of SRAM.
- What is the power supply range for the STM32L486ZGT6?
The power supply range is from 1.71 V to 3.6 V (internal LDO) and 1.05 V to 1.32 V (external SMPS).
- What are the key security features of the STM32L486ZGT6?
The device features a Memory Protection Unit (MPU), readout protection, write protection, proprietary code readout protection, and a Firewall.
- What communication interfaces are supported by the STM32L486ZGT6?
The device supports I2C, SPI, USART, UART, CAN, USB OTG full-speed, and other communication interfaces.
- Does the STM32L486ZGT6 have any integrated peripherals for analog functions?
Yes, it includes multiple ADCs, DACs, operational amplifiers, and comparators.
- What is the purpose of the Adaptive Real-Time Memory Accelerator (ART Accelerator) in the STM32L486ZGT6?
The ART Accelerator optimizes memory access to achieve near 100 DMIPS performance at 80 MHz by implementing an instruction prefetch queue and branch cache.
- Can the STM32L486ZGT6 operate in low-power modes?
Yes, the device supports seven low-power modes to minimize power consumption.
- What is the temperature range for the STM32L486ZGT6?
The device operates in the -40°C to +85°C, -40°C to +105°C, and -40°C to +125°C temperature ranges.
