Overview
The STM32L152VBT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32L1 series. It features an ARM Cortex-M3 core operating at a frequency of up to 32 MHz. This ultra-low-power microcontroller is designed for a wide range of portable and battery-powered applications, including gaming, alarm systems, metering, medical equipment, and remote sensors for the Internet of Things (IoT).
Key Specifications
| Specification | Details |
|---|---|
| Brand | STMicroelectronics |
| Family Name | STM32L1 |
| Package Type | LQFP |
| Mounting Type | Surface Mount |
| Pin Count | 100 |
| Device Core | ARM Cortex M3 |
| Data Bus Width | 32bit |
| Program Memory Size | 128 kB Flash with ECC |
| Maximum Frequency | 32MHz |
| RAM Size | 32 kB |
| USB Channels | 1 |
| Number of PWM Units | 4 |
| Number of SPI Channels | 2 |
| Number of I2C Channels | 2 |
| Number of USART Channels | 3 |
| Typical Operating Supply Voltage | 1.65 → 3.6 V |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| ADCs | 24 x 12 bit |
| DACs | 2 x 12 bit with output buffers |
| Dimensions | 14.2 x 14.2 x 1.45mm |
Key Features
- Ultra-low-power platform with multiple low-power modes: Sleep, Low-Power Run, Low-Power Sleep, Stop with RTC, Stop without RTC, Standby with RTC, and Standby without RTC.
- ARM Cortex-M3 32-bit core operating at up to 32 MHz frequency.
- Up to 128 KB Flash memory with ECC, up to 16 KB RAM, and up to 4 KB true EEPROM with ECC.
- Serial interfaces: USB, three USARTs, two SPIs, and two I²Cs.
- 12-bit ADC with up to 24 channels and 2 x 12-bit DACs with output buffers.
- Real-Time Clock (RTC) with backup registers and up to 20 capacitive sensing channels.
- LCD driver for up to 8 x 40 segments with built-in LCD voltage generator.
- Two ultra-low-power comparators and a cyclic redundancy check (CRC) calculation unit for memory verification.
- Support for DMA, JTAG, and trace debugging.
- Up to 83 fast I/Os (73 of which are 5 V-tolerant) all mappable on 16 external interrupt vectors.
Applications
- Portable and battery-powered devices such as gaming consoles, alarm systems, and medical equipment.
- Metering and remote sensors for the Internet of Things (IoT).
- Low-power consumer electronics and industrial automation.
- Touch sensing applications with up to 20 capacitive sensing channels.
- LCD-based applications utilizing the integrated LCD controller.
Q & A
- What is the core architecture of the STM32L152VBT6?
The STM32L152VBT6 features an ARM Cortex-M3 32-bit core.
- What is the maximum operating frequency of the STM32L152VBT6?
The maximum operating frequency is 32 MHz.
- How much Flash and RAM does the STM32L152VBT6 have?
It has up to 128 KB Flash memory and up to 16 KB RAM.
- What are the power supply voltage ranges for the STM32L152VBT6?
The typical operating supply voltage is from 1.65 V to 3.6 V.
- What are the key serial interfaces available on the STM32L152VBT6?
The microcontroller includes USB, three USARTs, two SPIs, and two I²Cs.
- Does the STM32L152VBT6 support LCD driving?
Yes, it includes an LCD driver for up to 8 x 40 segments.
- What are the low-power modes available on the STM32L152VBT6?
The device offers multiple low-power modes including Sleep, Low-Power Run, Low-Power Sleep, Stop with RTC, Stop without RTC, Standby with RTC, and Standby without RTC.
- What is the operating temperature range of the STM32L152VBT6?
The operating temperature range is from -40 °C to +85 °C.
- Does the STM32L152VBT6 support touch sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What debugging interfaces are supported by the STM32L152VBT6?
The device supports serial wire debug, JTAG, and trace debugging.
