STM32L151CBU6TR
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STMicroelectronics STM32L151CBU6TR

Manufacturer No:
STM32L151CBU6TR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC MCU 32BIT 128KB FLASH 48QFN
Delivery:
Payment:
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Product Introduction

Overview

The STM32L151CBU6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for low-power applications, featuring a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The STM32L151CBU6TR is particularly suited for applications requiring high performance, low power consumption, and advanced connectivity options.

Key Specifications

Parameter Specification
Core ARM® Cortex®-M3 32-bit CPU
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
Power Supply 1.65 V to 3.6 V
Temperature Range -40°C to 85°C / 105°C in low power dissipation state
Standby Mode Current 0.3 µA (3 wakeup pins), 0.9 µA (with RTC)
Stop Mode Current 0.57 µA (16 wakeup lines), 1.2 µA (with RTC)
Low-Power Run Mode Current 9 µA
Run Mode Current 214 µA/MHz
I/O Leakage 10 nA
Wakeup Time < 8 µs
ADC 12-bit, 1 Msps, up to 24 channels
DAC 12-bit, 2 channels with output buffers
Comparators 2 ultra-low-power comparators
Timers 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers
Communication Interfaces 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs
Capacitive Sensing Channels Up to 20 channels
Package UFQFPN 48 7x7x0.55 mm

Key Features

  • Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
  • ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency and 1.25 DMIPS/MHz (Dhrystone 2.1)
  • Memory protection unit and reset and supply management with ultra-safe low-power BOR and PVD
  • Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
  • Extensive range of communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
  • Up to 83 fast I/Os (73 I/Os 5V tolerant) and up to 20 capacitive sensing channels
  • Internal multispeed low-power oscillators and PLL for CPU clock and USB
  • Pre-programmed bootloader and development support with serial wire debug, JTAG, and trace

Applications

  • Low-power IoT devices and smart sensors
  • Portable and battery-powered devices
  • Industrial automation and control systems
  • Medical devices requiring low power consumption
  • Consumer electronics such as wearables and fitness trackers
  • Automotive systems requiring high reliability and low power

Q & A

  1. What is the core architecture of the STM32L151CBU6TR?

    The STM32L151CBU6TR is based on the ARM® Cortex®-M3 32-bit RISC core.

  2. What is the maximum frequency of the STM32L151CBU6TR?

    The maximum frequency is up to 32 MHz.

  3. What are the power supply voltage ranges for the STM32L151CBU6TR?

    The device operates from 1.65 V to 3.6 V.

  4. What are the key power-saving modes of the STM32L151CBU6TR?

    The device features Standby, Stop, and Low-power run modes.

  5. What types of communication interfaces are available on the STM32L151CBU6TR?

    The device includes USB 2.0, USARTs, SPIs, and I2Cs.

  6. How many capacitive sensing channels does the STM32L151CBU6TR support?

    Up to 20 capacitive sensing channels are supported.

  7. What is the temperature range for the STM32L151CBU6TR?

    The device operates in the -40°C to 85°C / 105°C temperature range.

  8. Does the STM32L151CBU6TR have an LCD driver?

    No, the STM32L151CBU6TR does not include an LCD driver.

  9. What is the package type of the STM32L151CBU6TR?

    The package type is UFQFPN 48 7x7x0.55 mm.

  10. What development tools are supported for the STM32L151CBU6TR?

    The device supports serial wire debug, JTAG, and trace.

Product Attributes

Core Processor:ARM® Cortex®-M3
Core Size:32-Bit Single-Core
Speed:32MHz
Connectivity:I²C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals:Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT
Number of I/O:37
Program Memory Size:128KB (128K x 8)
Program Memory Type:Flash
EEPROM Size:4K x 8
RAM Size:16K x 8
Voltage - Supply (Vcc/Vdd):1.8V ~ 3.6V
Data Converters:A/D 16x12b; D/A 2x12b
Oscillator Type:Internal
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:48-UFQFN Exposed Pad
Supplier Device Package:48-UFQFPN (7x7)
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Similar Products

Part Number STM32L151CBU6TR STM32L151CCU6TR STM32L151C6U6TR STM32L151C8U6TR STM32L151CBT6TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active Not For New Designs
Core Processor ARM® Cortex®-M3 ARM® Cortex®-M3 ARM® Cortex®-M3 ARM® Cortex®-M3 ARM® Cortex®-M3
Core Size 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core
Speed 32MHz 32MHz 32MHz 32MHz 32MHz
Connectivity I²C, IrDA, LINbus, SPI, UART/USART, USB I²C, IrDA, LINbus, SPI, UART/USART, USB I²C, IrDA, LINbus, SPI, UART/USART, USB I²C, IrDA, LINbus, SPI, UART/USART, USB I²C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT
Number of I/O 37 37 37 37 37
Program Memory Size 128KB (128K x 8) 256KB (256K x 8) 32KB (32K x 8) 64KB (64K x 8) 128KB (128K x 8)
Program Memory Type Flash Flash Flash Flash Flash
EEPROM Size 4K x 8 8K x 8 4K x 8 4K x 8 4K x 8
RAM Size 16K x 8 32K x 8 10K x 8 10K x 8 16K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b A/D 14x12b; D/A 2x12b A/D 16x12b; D/A 2x12b A/D 16x12b; D/A 2x12b A/D 16x12b; D/A 2x12b
Oscillator Type Internal Internal Internal Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-LQFP
Supplier Device Package 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-LQFP (7x7)

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