STM32L152QE数据手册ST中文资料规格书

描述 Description

The ultra-low-power STM32L151xE and STM32L152xE devices incorporate the connectivity power of the universal serial bus (USB) with the high-performance Arm® Cortex®-M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS), a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 512 Kbytes and RAM up to 80 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses.

The STM32L151xE and STM32L152xE devices offer two operational amplifiers, one 12-bit ADC, two DACs, two ultra-low-power comparators, one general-purpose 32-bit timer, six general-purpose 16-bit timers and two basic timers, which can be used as time bases.

Moreover, the STM32L151xE and STM32L152xE devices contain standard and advanced communication interfaces: up to two I2Cs, three SPIs, two I2S, three USARTs, two UARTs and an USB. The STM32L151xE and STM32L152xE devices offer up to 34 capacitive sensing channels to simply add a touch sensing functionality to any application.

They also include a real-time clock and a set of backup registers that remain powered in Standby mode.

Finally, the integrated LCD controller (except STM32L151xE devices) has a built-in LCD voltage generator that allows to drive up to 8 multiplexed LCDs with the contrast independent of the supply voltage.

The ultra-low-power STM32L151xE and STM32L152xE devices operate from a 1.8 to 3.6 V power supply (down to 1.65 V at power down) with BOR and from a 1.65 to 3.6 V power supply without BOR option. They are available in the -40 to +85 °C and -40 to +105 °C temperature ranges. A comprehensive set of power-saving modes allows the design of low-power applications.

特性 Features

• Includes ST state-of-the-art patented technology
•Ultra-low-power platform
• 1.65 V to 3.6 V power supply
• -40 °C to 105 °C temperature range
• 290 nA Standby mode (3 wakeup pins)
• 1.11 µA Standby mode + RTC
• 560 nA Stop mode (16 wakeup lines)
• 1.4 µA Stop mode + RTC
• 11 µA Low-power run mode down to 4.6 µA in Low-power sleep mode
• 195 µA/MHz Run mode
• 10 nA ultra-low I/O leakage
• 8 µs wakeup time

•Core: Arm® Cortex®-M3 32-bit CPU
• From 32 kHz up to 32 MHz max
• 1.25 DMIPS/MHz (Dhrystone 2.1)
• Memory protection unit

•Up to 34 capacitive sensing channels
•CRC calculation unit, 96-bit unique ID
•Reset and supply management
• Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
• Ultra-low-power POR/PDR
• Programmable voltage detector (PVD)

•Clock sources
• 1 to 24 MHz crystal oscillator
• 32 kHz oscillator for RTC with calibration
• Internal 16 MHz oscillator factory trimmed RC(+/-1%) with PLL option
• Internal low-power 37 kHz oscillator
• Internal multispeed low-power 65 kHz to 4.2 MHz oscillator
• PLL for CPU clock and USB (48 MHz)

•Pre-programmed bootloader
• USB and USART supported

•Up to 116 fast I/Os (102 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
•Memories
• 512 Kbytes of Flash memory with ECC (with 2 banks of 256 Kbytes enabling RWW capability)
• 80 Kbytes of RAM
• 16 Kbytes of true EEPROM with ECC
• 128-byte backup register

•LCD driver (except STM32L151xE devices) up to 8x40 segments, contrast adjustment, blinking mode, step-up converter
•Rich analog peripherals (down to 1.8 V)
• 2x operational amplifiers
• 12-bit ADC 1 Msps up to 40 channels
• 12-bit DAC 2 ch with output buffers
• 2x ultra-low-power comparators(window mode and wake up capability)

•DMA controller 12x channels
•11x peripheral communication interfaces
• 1x USB 2.0 (internal 48 MHz PLL)
• 5x USARTs
• Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)
• 2x I2Cs (SMBus/PMBus)

•11x timers: 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)
•Development support: serial wire debug, JTAG and trace