Overview
The STM32L496ZGT3 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. The device includes a Floating Point Unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. It also features a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
The microcontroller is designed for low-power applications, offering various power-saving modes and a comprehensive set of peripherals. It is suitable for a wide range of applications, including industrial control, medical devices, and IoT solutions.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | Arm® Cortex®-M4 with FPU |
| Clock Frequency | Up to 80 MHz |
| Memory | 1 MB Flash, 320 KB SRAM |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to +125 °C |
| Number of I/O Lines | 115 |
| ADC | Up to 3 x 12-bit, 5 Msps |
| DAC | 2 x 12-bit |
| Timers | 16 timers (including 2x 32-bit, 9x 16-bit general purpose, 2x 16-bit advanced motor-control) |
| Communication Interfaces | USB OTG, CAN, I2C, SPI, USART, UART, SAIs, SDMMC, SWPMI |
| Package | LQFP144 |
Key Features
- Ultra-low-power with FlexPowerControl, offering various power-saving modes such as Shutdown, Standby, and Stop modes.
- Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from flash memory.
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter.
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- Rich analog peripherals including operational amplifiers, comparators, and DAC channels.
- Encryption hardware accelerator: HASH (SHA-256).
- True random number generator and CRC calculation unit.
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™.
Applications
The STM32L496ZGT3 is versatile and can be used in a variety of applications, including:
- Industrial control systems: Due to its advanced motor control timers and robust communication interfaces.
- Medical devices: Leveraging its low power consumption and rich set of analog peripherals.
- IoT solutions: Benefiting from its ultra-low-power modes and comprehensive set of communication interfaces.
- Automotive systems: Utilizing its CAN and other automotive-specific interfaces.
- Consumer electronics: Taking advantage of its LCD driver and capacitive sensing capabilities.
Q & A
- What is the core processor of the STM32L496ZGT3?
The core processor is the Arm® Cortex®-M4 with a Floating Point Unit (FPU).
- What is the maximum clock frequency of the STM32L496ZGT3?
The maximum clock frequency is up to 80 MHz.
- How much flash and SRAM memory does the STM32L496ZGT3 have?
The device has 1 MB of flash memory and 320 KB of SRAM.
- What is the operating temperature range of the STM32L496ZGT3?
The operating temperature range is -40 °C to +125 °C.
- How many I/O lines does the STM32L496ZGT3 have?
The device has 115 I/O lines.
- What types of communication interfaces are available on the STM32L496ZGT3?
The device supports USB OTG, CAN, I2C, SPI, USART, UART, SAIs, SDMMC, and SWPMI.
- Does the STM32L496ZGT3 have any power-saving modes?
Yes, it offers various power-saving modes including Shutdown, Standby, and Stop modes.
- What is the purpose of the Chrom-ART Accelerator in the STM32L496ZGT3?
The Chrom-ART Accelerator is dedicated to enhanced graphic content creation (DMA2D).
- Does the STM32L496ZGT3 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What kind of encryption hardware does the STM32L496ZGT3 have?
The device includes a HASH hardware accelerator (SHA-256).
