Overview
The STM32L4P5CGU6 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 STM32L4P5CGU6 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 |
| External Memory Interface | Flexible external memory controller (FSMC) for static memories |
| OCTOSPI Flash Memory Interfaces | Two OCTOSPI Flash memory interfaces |
| Communication Interfaces | Four I2Cs, three SPIs, three USARTs, two UARTs, one low-power UART, two SAIs, two SDMMCs, one CAN, one USB OTG full-speed |
| Analog Peripherals | Two 12-bit ADCs (5 Msps), two 12-bit DACs, two operational amplifiers, two ultra-low-power comparators, two digital filters for sigma delta modulators |
| Timers | Two 32-bit general-purpose timers, two 16-bit PWM timers, seven 16-bit general-purpose timers, two 16-bit low-power timers |
| Capacitive Sensing Channels | Up to 24 capacitive sensing channels |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Power Modes | Batch acquisition mode (BAM), Shutdown mode, Standby mode, Stop 2 mode with RTC |
Key Features
- Ultra-low-power with FlexPowerControl, featuring various power-saving modes such as Shutdown, Standby, and Stop 2 modes.
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions.
- High-speed memories: up to 1 Mbyte of Flash memory and 320 Kbytes of SRAM.
- Advanced peripherals including two fast 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators.
- Extensive range of communication interfaces: I2Cs, SPIs, USARTs, UARTs, SAIs, SDMMCs, CAN, and USB OTG full-speed.
- Support for up to 24 capacitive sensing channels and advanced graphics features like Chrom-ART Accelerator and LCD-TFT controller.
- Multiple timers and watchdogs, including 16-bit and 32-bit timers and low-power timers available in Stop mode.
- Internal voltage reference buffer, low-power RTC, and true random generator.
- CRC calculation unit and HASH (SHA-256) hardware accelerator.
- Debug mode with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM).
Applications
- Low-power IoT devices and smart sensors.
- Industrial automation and control systems.
- Medical devices requiring low power consumption and high performance.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- Consumer electronics such as wearables, smart home devices, and portable electronics.
- Metering and energy management systems.
Q & A
- What is the core architecture of the STM32L4P5CGU6?
The STM32L4P5CGU6 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 STM32L4P5CGU6?
The maximum operating frequency is up to 120 MHz.
- How much Flash memory and SRAM does the STM32L4P5CGU6 have?
The device has up to 1 Mbyte of Flash memory and 320 Kbytes of SRAM.
- What are the power supply and temperature ranges for the STM32L4P5CGU6?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C.
- What advanced peripherals are available on the STM32L4P5CGU6?
The device includes two 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators, among others.
- Does the STM32L4P5CGU6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L4P5CGU6?
The device features I2Cs, SPIs, USARTs, UARTs, SAIs, SDMMCs, CAN, and USB OTG full-speed.
- What are the power-saving modes available on the STM32L4P5CGU6?
The device supports various power-saving modes including Shutdown, Standby, and Stop 2 modes with RTC.
- Does the STM32L4P5CGU6 have any advanced graphics features?
Yes, it includes the Chrom-ART Accelerator and an LCD-TFT controller for enhanced graphic content creation.
- What debug modes are supported by the STM32L4P5CGU6?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ (ETM).
