Overview
The STM32L4P5CGT6 is a member of the STM32L4P5xx family of ultra-low-power microcontroller devices from STMicroelectronics. These devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 120 MHz. The Cortex-M4 core includes a single-precision floating-point unit (FPU), DSP instructions, and a memory protection unit (MPU) for enhanced security. The STM32L4P5CGT6 is designed for low-power applications, featuring advanced power-saving modes and a wide range of peripherals and interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 120 MHz |
| Memories | 1-Mbyte Flash memory, 2 banks read-while-write, 320 Kbytes of SRAM (including 64 Kbytes with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Timers | 2 x 32-bit general-purpose timers, 11 x 16-bit timers, 2 x 16-bit low-power timers |
| ADCs | 2 x 12-bit ADCs (5 Msps), up to 16-bit with hardware oversampling |
| DACs | 2 x 12-bit DAC channels |
| Operational Amplifiers | 2 x operational amplifiers with built-in PGA |
| Comparators | 2 x ultra-low-power comparators |
| Communication Interfaces | 4 x I2Cs, 3 x SPIs, 3 x USARTs, 2 x UARTs, 1 x low-power UART, 2 x SAIs, 2 x SDMMCs, 1 x CAN, 1 x USB OTG full-speed |
| Package | LQFP 48 7x7x1.4 mm, UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes (Shutdown, Standby, Stop 2 with RTC)
- Advanced security features including readout protection, write protection, proprietary code readout protection, and a firewall
- High-speed memories and flexible external memory controller for static memories
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix
- Support for touchkey, linear, and rotary touch sensors with up to 24 capacitive sensing channels
- Advanced graphics features including Chrom-ART Accelerator (DMA2D) and LCD-TFT controller
- Internal voltage reference buffer, low-power RTC, and true random generator
- Debug mode with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM)
Applications
The STM32L4P5CGT6 is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Industrial automation and control systems
- Medical devices requiring low power and high precision
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those needing advanced motor control and communication interfaces
- IoT devices that demand efficient power management and robust security features
Q & A
- What is the core architecture of the STM32L4P5CGT6?
The STM32L4P5CGT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions.
- What are the power supply and temperature ranges for this device?
The device operates from a 1.71 V to 3.6 V power supply and in a temperature range of -40 °C to 85/125 °C.
- What types of memory does the STM32L4P5CGT6 have?
The device features 1-Mbyte Flash memory with 2 banks read-while-write and 320 Kbytes of SRAM, including 64 Kbytes with hardware parity check.
- What are the key power-saving modes of the STM32L4P5CGT6?
The device supports Shutdown, Standby, and Stop 2 with RTC modes, among others, to minimize power consumption.
- What communication interfaces are available on the STM32L4P5CGT6?
The device includes interfaces such as I2Cs, SPIs, USARTs, UARTs, SAIs, SDMMCs, CAN, and USB OTG full-speed.
- Does the STM32L4P5CGT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels and can be used for touchkey, linear, and rotary touch sensors.
- What are the advanced graphics features of the STM32L4P5CGT6?
The device includes a Chrom-ART Accelerator (DMA2D) for enhanced graphic content creation and an LCD-TFT controller.
- How does the STM32L4P5CGT6 ensure security?
The device features readout protection, write protection, proprietary code readout protection, and a firewall for enhanced security.
- What debug modes are available for the STM32L4P5CGT6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM) for debugging.
- What are the typical applications for the STM32L4P5CGT6?
The device is suitable for industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
- What are the package options for the STM32L4P5CGT6?
The device is available in LQFP 48 7x7x1.4 mm and UFQFPN 48 7x7x0.55 mm packages.
