Overview
The STM32L151VBT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32L1 series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This ultra-low-power device is designed for applications requiring high performance and low energy consumption. It includes a memory protection unit (MPU), high-speed embedded memories (up to 128 Kbytes of Flash memory and up to 16 Kbytes of RAM), and extensive I/Os and peripherals connected to two APB buses. The device also supports various communication interfaces, including USB, USARTs, SPIs, and I2Cs, making it versatile for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Architecture | ARM Cortex-M3 32-bit RISC |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Package | 100-pin LQFP |
| Supply Voltage | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40 to +85 °C (extended to 105°C in low power dissipation state) |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
Key Features
- Ultra-low-power platform with multiple power-saving modes
- High-speed internal 16 MHz factory-trimmed RC (+/- 1%) and internal low-power 37 kHz RC
- Internal multispeed low-power 65 kHz to 4.2 MHz clock and PLL for CPU clock and USB (48 MHz)
- Pre-programmed bootloader, serial wire debug, JTAG, and trace supported
- 7-channel DMA controller and 2 watchdog timers (independent and window)
- Up to 20 capacitive sensing channels supporting touch key, linear, and rotary touch sensors
- CRC calculation unit and 96-bit unique ID
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds and ultralow-power POR/PDR
- Programmable voltage detector (PVD)
- Rich analog peripherals including 12-bit ADC, 2 DACs, and 2 ultra-low-power comparators
Applications
- Medical devices
- Portable devices
- Automation and process control
- Computers and computer peripherals
- Communications and networking
- Sensing and instrumentation
- Metering
- Imaging and video/vision systems
- Security systems
Q & A
- What is the core architecture of the STM32L151VBT6?
The core architecture is the ARM Cortex-M3 32-bit RISC.
- What is the maximum operating frequency of the STM32L151VBT6?
The maximum operating frequency is up to 32 MHz.
- How much Flash memory does the STM32L151VBT6 have?
The device has up to 128 Kbytes of Flash memory with ECC.
- What are the communication interfaces available on the STM32L151VBT6?
The device supports USB 2.0, 3 USARTs, 2 SPIs, and 2 I2Cs.
- What is the operating temperature range of the STM32L151VBT6?
The operating temperature range is -40 to +85 °C, extended to 105°C in low power dissipation state.
- Does the STM32L151VBT6 support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels for touch key, linear, and rotary touch sensors.
- What power-saving features does the STM32L151VBT6 have?
The device features multiple power-saving modes, including ultra-low-power BOR, POR/PDR, and various clock sources for low power operation.
- Is the STM32L151VBT6 suitable for medical devices?
Yes, it is suitable for medical devices due to its low power consumption and high performance.
- What is the package type of the STM32L151VBT6?
The package type is 100-pin LQFP.
- Does the STM32L151VBT6 have a built-in LCD controller?
No, the STM32L151VBT6 does not have a built-in LCD controller, unlike some other models in the series.
