STM32L152V8H6A

Series:	STM32L1
Packaging:	Tray
Part Status:	Active
Core Processor:	ARM® Cortex®-M3
Core Size:	32-Bit
Speed:	32MHz
Connectivity:	I²C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals:	Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
Number of I/O:	83
Program Memory Size:	64KB (64K x 8)
Program Memory Type:	FLASH
EEPROM Size:	4K x 8
RAM Size:	32K x 8
Voltage - Supply (Vcc/Vdd):	1.8 V ~ 3.6 V
Data Converters:	A/D 24x12b, D/A 2x12b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	100-UFBGA
Supplier Device Package:	100-UFBGA (7x7)

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Introduction

The STM32L152V8H6A is a low-power field microcontroller based on the STM32 series of embedded microcontrollers. STM32 is a family of 32-bit general-purpose microcontrollers. Offering up to 168 MHz processing speeds, STM32L152 devices offer a wide range of integrated analogue and digital peripherals and an adaptive voltage scaling to minimise power consumption. These devices are optimized for applications with ultra-low-power requirements in the industrial and medical as well as in the consumer fields.

Hardware and Software Features

The STM32L15x series microcontrollers offer a wide range of integration for low-power applications, including the STM32L152V8H6A. These microcontrollers are based on the ARM Cortex-M3 core running at the rate of up to 168 MHz. The architecture offers high performance while consuming very little power, making it ideal for applications such as low-power wearable electronics, mobile phones and multimedia players.The device supports up to 32 KB ROM and 8/16/32 KB RAM, depending on the model of microcontroller. An 8-channel Direct Memory Access (DMA) and USB 2.0 Full Speed host, device and On-the-Go (OTG) support are also included. A wide range of interrupt functionalities and embedded peripherals, such as 12-bit ADC, comparator, SPI, I2C, USART, I2S, and timers, are also available.

Application Fields

The STM32L152V8H6A embedded microcontroller is ideal for applications that require low power and low cost. These microcontrollers are especially suitable in consumer applications, such as mobile phones, tablets and remote controls, where the demands for low power consumption are significant. The microcontroller meets the requirements for low-power, portable devices, such as wearable health monitoring products or medical devices. It is also applicable for industrial applications, such as motor controllers and temperature and humidity monitoring systems.

Working Principle

The STM32L152V8H6A microcontroller is based on an ARM Cortex-M3 core, which means it is a low-power device that can adapt to multiple clock frequencies. The Clock, Reset, and Peripheral Management Unit (CRPMU) handles the system power management, clock gating, and clock selection to optimize the system power consumption. The CRPMU also provides a range of clock frequencies, from 32 kHz to 168 MHz, allowing the user to adjust the clock speed according to the system\'s power consumption requirements.The microcontroller\'s peripherals are handled by a dedicated Direct Memory Access (DMA) module, which allows for data transfers between memory and the microcontroller core. The DMA also acts as a bus connecting peripheral modules to the microcontroller\'s internal bus. The microcontroller also supports a wide range of interrupt sources, from Software interrupts to hardware interrupts. The interrupts, which provide the user with programmable event triggers, help reduce power consumption.

Conclusion

The STM32L152V8H6A is a low-power embedded microcontroller suitable for a wide range of applications. The processor is based on the ARM Cortex-M3 core, allowing for low-power operation and multiple clock frequencies, as well as peripheral handling through the dedicated DMA module. Furthermore, the STM32L152V8H6A offers a wide range of integrated analogue and digital peripherals and an adaptive voltage scaling to minimise power consumption, making it ideal for low-power applications such as wearables, medical devices and remote controls.

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