Overview
The STM32L443CCY6TR 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 Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a Memory Protection Unit (MPU) to enhance application security.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Flash Memory | 256 KB single bank, proprietary code readout protection |
| SRAM | 64 KB, including 16 KB with hardware parity check |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| 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 |
| ADC | 1x 12-bit, 5 Msps, up to 16-bit with hardware oversampling |
| DAC | 2x 12-bit output channels, low-power sample and hold |
| Timers | 1x 32-bit, 5x 16-bit (including 1 advanced motor-control and 2 low-power timers) |
| Communication Interfaces | USB 2.0 full-speed, 1x SAI, 3x I2C, 4x USART, 3x SPI, CAN 2.0B |
| Package | WLCSP 49 3.2x3.2x0.6 P 0.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl and various low power modes (VBAT, Shutdown, Standby, Stop 2)
- Quad SPI memory interface and extensive range of enhanced I/Os and peripherals
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 21 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
- AES 128/256-bit key encryption hardware accelerator
- True random number generator and CRC calculation unit
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™
Applications
The STM32L443CCY6TR is suitable for a wide range of applications requiring ultra-low power consumption and high performance. These include:
- IoT devices and smart sensors
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and wearables
- Automotive systems and telematics
Q & A
- What is the core architecture of the STM32L443CCY6TR?
The STM32L443CCY6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU). - What is the maximum operating frequency of the STM32L443CCY6TR?
The maximum operating frequency is up to 80 MHz. - What are the power supply and temperature ranges for this device?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/105/125 °C. - What are the low power modes available on this device?
The device features several low power modes including VBAT, Shutdown, Standby, and Stop 2 modes. - What types of timers are available on the STM32L443CCY6TR?
The device includes 1x 32-bit timer, 5x 16-bit timers (including 1 advanced motor-control and 2 low-power timers), and other timers like watchdogs and SysTick timer. - Does the STM32L443CCY6TR support capacitive sensing?
Yes, it supports up to 21 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - What communication interfaces are available on this device?
The device includes USB 2.0 full-speed, SAI, I2C, USART, SPI, and CAN 2.0B interfaces. - Is the STM32L443CCY6TR RoHS compliant?
Yes, the device is RoHS compliant and comes in ECOPACK2® compliant packages. - What development tools are supported for this device?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development. - Does the STM32L443CCY6TR have any security features?
Yes, it includes a Memory Protection Unit (MPU) and AES 128/256-bit key encryption hardware accelerator for enhanced security.
