STMicroelectronics STM32L151CBT6A
| Parameters | |
|---|---|
| Series | STM32L1 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 48-LQFP |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 48-LQFP (7x7) |
| Speed | 32MHz |
| Oscillator Type | Internal |
| Core Processor | ARM® Cortex®-M3 |
| RAM Size | 32K x 8 |
| Number of I/O | 37 |
| Peripherals | Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| EEPROM Size | 4K x 8 |
| Program Memory Type | FLASH |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Core Size | 32-Bit Single-Core |
| Program Memory Size | 128KB (128K x 8) |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Package | Tray |
| Product Status | Active |
| Base Product Number | STM32L151 |
| REACH Status | REACH Unaffected |
| Standard Package | 250 |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
The STM32L151CBT6A, manufactured by STMicroelectronics, is an ultra-low-power microcontroller unit (MCU) that combines high performance with efficient power management. Based on the ARM Cortex-M3 32-bit RISC core, it operates at a frequency of up to 32 MHz, providing a powerful processing capability with a Dhrystone benchmark of 33.3 DMIPS. This MCU integrates a Memory Protection Unit (MPU), high-speed embedded memory with up to 128 KB of Flash and 32 KB of RAM, and a range of enhanced I/O and peripherals connected to two APB buses.
In terms of features, the STM32L151CBT6A stands out for its advanced low-power technology. It can switch between multiple power modes to meet the diverse power consumption requirements of different applications. In low-power modes, it achieves extremely low standby and running currents, extending battery life for battery-powered devices. Additionally, it offers a comprehensive set of peripherals, including SPI, I2C, USART, USB, ADC, DAC, and multiple timers. These interfaces facilitate connections with external sensors, memories, and communication modules, enabling a wide range of functional extensions. The STM32L151CBT6A also supports up to 20 capacitive sensing channels, adding touch detection capabilities to any application. For security, it incorporates various protective mechanisms such as hardware data protection, CRC checks, an independent watchdog timer, and clock monitoring.
Regarding applications, the STM32L151CBT6A's ultra-low-power and high-performance characteristics make it suitable for a variety of fields. It can be used in energy management systems such as smart meters and solar tracking systems. Its rich set of peripherals and communication interfaces make it ideal for medical devices, handheld devices, application control and user interfaces, PC peripherals, gaming devices, GPS and sports equipment, alarm systems, wired and wireless sensors, video intercom systems, and public metering applications. With its wide operating temperature range of -40°C to +85°C (or -40°C to +105°C with certain configurations) and flexible power management options, the STM32L151CBT6A provides a reliable and efficient solution for a multitude of embedded systems.
