Overview
The STM32L443CCT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32L4 series. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, which includes an FPU and supports DSP instructions. This ultra-low-power microcontroller is designed for applications requiring high performance and low energy consumption.
It features ST's state-of-the-art patented technology, including FlexPowerControl, which enables efficient power management. The device operates within a wide temperature range of -40 °C to 85/105/125 °C and supports various low-power modes to minimize energy usage.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Performance | 100 DMIPS, 1.25 DMIPS/MHz (Drystone 2.1), 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz) |
| Memory | 256 KB single bank flash, 64 KB of SRAM (including 16 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Low-Power Modes | 200 nA in VBAT mode, 8 nA Shutdown mode, 28 nA Standby mode, 280 nA Standby mode with RTC, 1.0 µA Stop 2 mode, 1.28 µA with RTC |
| Clock Sources | 4 to 48 MHz crystal oscillator, 32 kHz crystal oscillator for RTC, internal 16 MHz RC, internal low-power 32 kHz RC, internal multispeed 100 kHz to 48 MHz oscillator |
| Peripherals | Up to 83 fast I/Os, most 5 V-tolerant; RTC with HW calendar, alarms and calibration; LCD 8× 40 or 4× 44 with step-up converter; up to 21 capacitive sensing channels |
| Analog Peripherals | 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling; 2x 12-bit DAC output channels; 1x operational amplifier with built-in PGA; 2x ultra-low-power comparators |
| Communication Interfaces | USB 2.0 full-speed crystal less solution, 1x SAI, 3x I2C FM+, 4x USARTs, 1x LPUART, 3x SPIs (and 1x Quad SPI), CAN (2.0B Active), SDMMC interface |
| Security | AES: 128/256-bit key encryption hardware accelerator |
Key Features
- Ultra-Low Power Consumption: Features like FlexPowerControl, low-power modes (Shutdown, Standby, Stop 2), and batch acquisition mode (BAM) to minimize energy usage.
- High Performance: Arm® Cortex®-M4 CPU with FPU, up to 80 MHz, and 100 DMIPS.
- Rich Peripherals: Includes RTC with HW calendar, alarms, and calibration; LCD support; up to 21 capacitive sensing channels; and various timers.
- Analog Capabilities: 12-bit ADC, 12-bit DAC output channels, operational amplifier with PGA, and ultra-low-power comparators.
- Advanced Security: AES 128/256-bit key encryption hardware accelerator and true random number generator.
- Communication Interfaces: USB 2.0, SAI, I2C, USARTs, LPUART, SPIs, Quad SPI, CAN, and SDMMC interface.
- Development Support: Serial wire debug (SWD), JTAG, Embedded Trace Macrocell™, and ECOPACK2 compliant packages.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication due to its advanced timers and CAN interface.
- Medical Devices: Ideal for medical applications requiring low power consumption and high performance, such as portable medical devices.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics that need efficient power management and rich peripherals.
- Automotive Systems: Applicable in automotive systems that require robust performance and low power consumption, such as infotainment systems and vehicle control units.
- IoT Devices: Suitable for Internet of Things (IoT) applications that need low power consumption, advanced security features, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32L443CCT6?
The STM32L443CCT6 is based on the Arm® 32-bit Cortex®-M4 CPU with an FPU.
- What is the operating voltage range of the STM32L443CCT6?
The operating voltage range is 1.71 V to 3.6 V.
- What are the low-power modes available in the STM32L443CCT6?
The device supports Shutdown, Standby, Stop 2, and other low-power modes to minimize energy usage.
- What are the key analog peripherals of the STM32L443CCT6?
It includes a 12-bit ADC, 12-bit DAC output channels, an operational amplifier with PGA, and ultra-low-power comparators.
- What communication interfaces does the STM32L443CCT6 support?
The device supports USB 2.0, SAI, I2C, USARTs, LPUART, SPIs, Quad SPI, CAN, and SDMMC interface.
- Does the STM32L443CCT6 have any security features?
Yes, it includes an AES 128/256-bit key encryption hardware accelerator and a true random number generator.
- What is the maximum frequency of the STM32L443CCT6?
The maximum frequency is up to 80 MHz.
- What type of memory does the STM32L443CCT6 have?
The device has 256 KB of single bank flash and 64 KB of SRAM.
- Is the STM32L443CCT6 suitable for industrial applications?
Yes, it is suitable due to its advanced timers, CAN interface, and robust performance.
- What development tools are available for the STM32L443CCT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
