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Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, USB
  • active 活性

超低功耗STM32L15xxx具有通用串行总线(USB)的连接功能,整合了工作频率为32MHz的高性能ARM Cortex-M3 32位RISC内核、存储器保护单元(MPU)、高速嵌入式存储器(Flash存储器和RAM的容量分别高达128K字节和16K字节),和大量连至2条APB总线的增强型I/O与外设。 所有器件均带有1个12位ADC、2个DAC、2个超低功耗比较器、6个16位通用定时器和2个可以用作时基的基本定时器。 此外,STM32L15xxx器件还包含标准与高级通信接口:22个I²C和SPI、3个USART和1个USB。它们还带有1个实时时钟和一组在待机模式下仍保持带电的后备寄存器。 最后,集成式LCD控制器内置有LCD电压发生器,让您最多能够驱动8个多路复用LCD,LCD的对比度不受电源电压的影响。

超低功耗STM32L15xxx的供电电压范围是:具有BOR时为1.8~3.6V(掉电时电压低至1.65V),关闭BOR时为1.65~3.6V。 工作温度范围为-40~+85°C。 适合低功耗应用设计的一组完整的节电模式。

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Errata Sheet
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Key Features

  • 工作条件Operating power supply range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)Temperature range: –40 to 85 °C
  • 低功耗特性4 modes: Sleep, Low-power run (9 μA at 32 kHz), Low-power sleep (4.4 μA),Stop with RTC (1.45 μA), Stop (570 nA), Standby (300 nA)Dynamic core voltage scaling down to 233 μA/MHzUltralow leakage per I/O: 50 nAFast wakeup from Stop: 8 μsThree wakeup pins
  • 内核:ARM 32位Cortex-M3 CPU32 MHz maximum frequency,33.3 DMIPS peak (Dhrystone 2.1)Memory protection unit
  • 复位和电源管理Low power, ultrasafe BOR (brownout reset) with 5 selectable thresholdsUltralow power POR/PDRProgrammable voltage detector (PVD)
  • 时钟管理1 to 24 MHz crystal oscillator32 kHz oscillator for RTC with calibrationInternal 16 MHz factory-trimmed RCInternal 37 kHz low consumption RCInternal multispeed low power RC, 65 kHz to 4.2 MHz with consumption down to 1.5 μAPLL for CPU clock and USB (48 MHz)
  • 低功耗日历RTCAlarm, periodic wakeup from Stop/Standby
  • 存储器Up to 128 Kbyte of Flash memory with ECC4 Kbyte of data EEPROM with ECCUp to 16 Kbyte of RAM
  • 多达83个高速I/O(其中有73个耐压5V),都可以映射到16个外部中断矢量上
  • 开发支持Serial wire debug, JTAG and trace
  • DMA:7通道DMA控制器,支持定时器、ADC、SPI、2I²C和USART
  • 段式LCD驱动8 × 40或4 × 44,带有升压转换器
  • 12位ADC:1Msps,多达24个通道Temperature sensor and internal voltage referenceOperates down to 1.8 V
  • 2 × 12位DAC,带有输出缓冲器
  • 2个超低功耗比较器Window mode and wakeup capability
  • 10个定时器:6 × 16-bit general-purpose timers, each with up to 4 IC/OC/PWM channels2 × 16-bit basic timers2 × watchdog timers (independent and window)
  • 多达8个通信接口Up to 2 × I2C interfaces (SMBus/PMBus)Up to 3 × USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)Up to 2 × SPIs (16 Mbit/s)USB 2.0 full speed interface
  • CRC计算单元、96位唯一ID

线路 图表

图案 资源


Technical Documentation

Product Specifications

描述 版本 大小
DS6876: Ultra-low-power 32-bit MCU ARM-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
10.0 1,962 KB

Application Notes

描述 版本 大小
AN1181: 静电放电敏感性测量
1.4 299 KB
AN1709: ST 微控制器电磁兼容性 (EMC) 设计指南
1.7 1,040 KB
AN2869: 触摸感应式应用设计指南
1.0 602 KB
AN3193: STM32L1xx ultralow power features overview
2.0 234 KB
AN3248: Using STM32L1 analog comparators in application cases
3.0 318 KB
AN3364: STM32 微控制器应用的 移植和兼容性指南
3.0 1,323 KB
AN3371: Using the hardware real-time clock (RTC) in STM32 F0, F2, F3, F4 and L1 series of MCUs
5.0 422 KB
AN3422: Migration of microcontroller applications from STM32F1 to STM32L1 series
2.0 312 KB
AN3429: STM32 proprietary code protection overview
1.1 60 KB
AN3998: STM32 微控制器上的 PDM 音频软件解码
1.2 780 KB
AN4310: Sampling capacitor selection guide for MCU based touch sensing applications
2.0 175 KB
AN4316: Tuning a STMTouch-based application
2.0 1,178 KB

Technical Notes & Articles

描述 版本 大小
TA0340: STM32L Cortex-M3 microcontroller for usage in low-power healthcare applications
1.0 358 KB
TA0342: Accurate power consumption estimation for STM32L1 series of ultra-low-power microcontrollers
2.0 343 KB
TN0830: How to use EWARM 6.2x with projects built with EWARM 6.1 and previous versions
1.1 97 KB
TN1176: Migrating from STM32L15xx6/8/B to STM32L15xx6/8/B-A and from STM32L100x6/8/B to STM32L100x6/8/B-A
1.0 265 KB

Reference Manual

描述 版本 大小
RM0038: STM32L100xx, STM32L151xx, STM32L152xx and STM32L162xx advanced ARM®-based 32-bit MCUs
11.0 15,196 KB

Errata Sheet

描述 版本 大小
ES0125: STM32L100x6/8/B, STM32L151x6/8/B and STM32L152x6/8/B ultra-low-power MCU limitations
10.0 402 KB

HW Model & CAD Libraries

HW Model & CAD Libraries

描述 版本 大小
STM32 Boundary Scan Description Language (BSDL) files
3.0.0 195 KB

Presentations & Training Material


描述 版本 大小
Fire alarms and smoke detectors - Application guide
1.0.0 336 KB
STM8L and STM32 L1 series - Ultra-low-power platform
790 KB

Related Tools and Software

Related Tools and Software

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STM32CubeF2 Embedded software for STM32 F2 series (HAL low level drivers, USB, TCP/IP, File system, RTOS, Graphic - coming with examples running on ST boards)
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STSW-STM32121 STM32F10x, STM32L1xx and STM32F3xx USB full speed device library (UM0424)
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样品 & 购买

产品型号 Marketing StatusPackagePacking TypeOperating Temperature (min) Operating Temperature (max) Order From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STM32L151C6T6ActiveLQFP 48 7x7x1.4Tray-4085-Distributor reported inventory date: 2015-01-26
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE501
STM32L151C6T6TRActiveLQFP 48 7x7x1.4Tape And Reel-4085-Distributor reported inventory date: 2015-01-25
Distributor NameRegionStockMin. order
STM32L151C6U6ActiveUFQFPN 48 7x7x0.55Tray-4085-Distributor reported inventory date: 2015-01-26
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA12831560
Farnell Element14Order NowEUROPE2661
STM32L151C6U6TRActiveUFQFPN 48 7x7x0.55Tape And Reel-4085-No availability reported, please contact our Sales officeEcopack2-

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