Overview
The STM32L152RBT6A is a 32-bit microcontroller from STMicroelectronics, part of the STM32L1 series. This ultra-low-power device is based on the ARM Cortex-M3 core and is designed for battery-powered applications. It features a comprehensive set of peripherals and low-power modes, making it suitable for a wide range of applications requiring high performance and low energy consumption.
The device is packaged in a 64-pin LQFP (Low Profile Quad Flat Package) and operates within a voltage range of 1.65 V to 3.6 V. It is compliant with EU RoHS regulations and has a temperature range of -40°C to 85°C/105°C, ensuring reliability in various environmental conditions.
Key Specifications
| Description | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Maximum Clock Rate | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Operating Voltage | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C/105°C |
| Package Type | 64-pin LQFP |
| Power Consumption | 0.3 µA Standby mode (3 wakeup pins), 0.9 µA Standby mode + RTC, 0.57 µA Stop mode (16 wakeup lines), 1.2 µA Stop mode + RTC, 9 µA Low-power run mode, 214 µA/MHz Run mode |
| Peripheral Interfaces | USB 2.0, USARTs, SPIs, I2Cs, CAN, UART, LCD Driver, ADC, DAC, Timers, Watchdog Timers |
Key Features
- Ultra-low-power platform: Features multiple low-power modes including Standby, Stop, and Low-power run modes to minimize energy consumption.
- ARM Cortex-M3 CPU: Provides high performance with a maximum clock rate of up to 32 MHz.
- Memory: Includes up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of true EEPROM, all with ECC.
- Analog Peripherals: Equipped with a 12-bit ADC with up to 24 channels, a 12-bit DAC with 2 channels, and ultra-low-power comparators.
- Communication Interfaces: Supports USB 2.0, USARTs, SPIs, I2Cs, CAN, and UART.
- Timers and Watchdog Timers: Includes 10 timers (6 general-purpose and 2 basic timers) and 2 watchdog timers.
- Capacitive Sensing: Supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Development Support: Features serial wire debug, JTAG, and trace support for efficient development and debugging.
Applications
- Battery-Powered Devices: Ideal for devices requiring low power consumption such as smart meters, fitness trackers, and wireless sensors.
- Industrial Automation: Suitable for control systems, monitoring devices, and other industrial applications where low power and high reliability are crucial.
- Medical Devices: Can be used in medical devices that require precise control and low power consumption, such as portable diagnostic equipment and wearable health monitors.
- Consumer Electronics: Applicable in various consumer electronics like smart home devices, remote controls, and other handheld devices.
Q & A
- What is the core architecture of the STM32L152RBT6A?
The STM32L152RBT6A is based on the ARM Cortex-M3 32-bit CPU.
- What is the operating voltage range of the STM32L152RBT6A?
The operating voltage range is from 1.65 V to 3.6 V.
- What types of memory does the STM32L152RBT6A have?
The device includes up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of true EEPROM.
- What are the low-power modes available in the STM32L152RBT6A?
The device features Standby, Stop, and Low-power run modes to minimize energy consumption.
- Does the STM32L152RBT6A support USB?
Yes, it supports USB 2.0 with an internal 48 MHz PLL.
- What types of communication interfaces are available on the STM32L152RBT6A?
The device supports USARTs, SPIs, I2Cs, CAN, and UART.
- How many timers does the STM32L152RBT6A have?
The device includes 10 timers (6 general-purpose and 2 basic timers) and 2 watchdog timers.
- Is the STM32L152RBT6A suitable for battery-powered devices?
Yes, it is designed for ultra-low-power applications, making it ideal for battery-powered devices.
- What is the temperature range of the STM32L152RBT6A?
The temperature range is from -40°C to 85°C/105°C.
- Does the STM32L152RBT6A support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
