Overview
The STM32L4P5RGT6 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 STM32L4P5RGT6 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 |
| Flash Memory | 1 Mbyte, 2 banks read-while-write, proprietary code readout protection |
| SRAM | 320 Kbytes, including 64 Kbytes with hardware parity check |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| ADCs | 2 x 12-bit, 5 Msps, up to 16-bit with hardware oversampling |
| DACs | 2 x 12-bit, low-power sample and hold |
| Timers | 2 x 32-bit, 11 x 16-bit, 2 x low-power 16-bit timers |
| Communication Interfaces | USB OTG 2.0 full-speed, 4 x I2C, 3 x SPI, 6 x USART, CAN 2.0B Active |
| Package Options | LQFP 64 10x10x1.4 mm, among others |
| Power Modes | VBAT mode: 150 nA, Shutdown mode: 22 nA, Standby mode: 42 nA, Run mode: 110 μA/MHz (LDO), 41 μA/MHz (SMPS) |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes (VBAT, Shutdown, Standby, Stop 2 with RTC)
- Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and DSP instructions
- High-speed memories: 1 Mbyte Flash, 320 Kbytes SRAM, external memory interface, and 2 x Octo-SPI memory interfaces
- Advanced analog peripherals: 2 x 12-bit ADCs, 2 x 12-bit DACs, 2 x operational amplifiers, 2 x ultra-low-power comparators
- Extensive range of communication interfaces: USB OTG 2.0 full-speed, I2C, SPI, USART, CAN 2.0B Active, SDMMC
- Support for capacitive sensing: up to 24 channels, touchkey, linear and rotary touch sensors
- Advanced graphics features: Chrom-ART Accelerator (DMA2D), LCD-TFT controller
- Multiple timers and watchdogs: 2 x 32-bit, 11 x 16-bit, 2 x low-power 16-bit timers, 2 x watchdogs
- RTC with hardware calendar, alarms, and calibration
- True random generator, CRC calculation unit, and HASH (SHA-256) hardware accelerator
Applications
- Low-power IoT devices and smart sensors
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Automotive systems, especially those needing advanced analog and digital signal processing
- Consumer electronics, such as wearables and portable devices
- Smart home devices and energy management systems
Q & A
- What is the core architecture of the STM32L4P5RGT6?
The STM32L4P5RGT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum operating frequency of the STM32L4P5RGT6?
The maximum operating frequency is up to 120 MHz.
- What are the power supply and temperature ranges for the STM32L4P5RGT6?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What types of memory does the STM32L4P5RGT6 have?
The device features 1 Mbyte of Flash memory and 320 Kbytes of SRAM, including 64 Kbytes with hardware parity check.
- What are the key analog peripherals available on the STM32L4P5RGT6?
The device includes 2 x 12-bit ADCs, 2 x 12-bit DACs, 2 x operational amplifiers, and 2 x ultra-low-power comparators.
- What communication interfaces are supported by the STM32L4P5RGT6?
The device supports USB OTG 2.0 full-speed, I2C, SPI, USART, CAN 2.0B Active, and SDMMC.
- Does the STM32L4P5RGT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels and includes touchkey, linear, and rotary touch sensors.
- What are the power-saving modes available on the STM32L4P5RGT6?
The device features VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode with RTC, among others.
- What is the purpose of the Chrom-ART Accelerator in the STM32L4P5RGT6?
The Chrom-ART Accelerator (DMA2D) is used for enhanced graphic content creation.
- Does the STM32L4P5RGT6 have a real-time clock (RTC)?
Yes, it includes an RTC with hardware calendar, alarms, and calibration.
- What security features are included in the STM32L4P5RGT6?
The device includes a memory protection unit (MPU), proprietary code readout protection, and a HASH (SHA-256) hardware accelerator.
