The STM32L151C8 family incorporates the connectivity power of the universal serial bus (USB) with the high-performance ARM Cortex™-M3 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 16 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses.

All the STM32L151C8 devices offer a 12-bit ADC, 2 DACs and 2 ultralow power comparators, six general-purpose 16-bit timers and two basic timers, which can be used as time bases. Moreover, the STM32L15xxx devices contain standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs and a USB. They also include a real-time clock and a set of backup registers that remain powered in Standby mode. Finally, the integrated LCD controller has a built-in LCD voltage generator that allows you to drive up to 8 multiplexed LCDs with contrast independent of the supply voltage.

The STM32L151C8 family operates 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. It is available in the -40 to +85 °C temperature range. A comprehensive set of power-saving modes allows the design of low-power applications.

STM32L151C8 性能

• Operating conditions
  • 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
• Low power features
  • 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/MHz
  • Ultralow leakage per I/O: 50 nA
  • Fast wakeup from Stop: 8 μs
  • Three wakeup pins
• Core: ARM 32-bit Cortex™-M3 CPU
  • 32 MHz maximum frequency,33.3 DMIPS peak (Dhrystone 2.1)
  • Memory protection unit
• Reset and supply management
  • Low power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
  • Ultralow power POR/PDR
  • Programmable voltage detector (PVD)
• Clock management
  • 1 to 24 MHz crystal oscillator
  • 32 kHz oscillator for RTC with calibration
  • Internal 16 MHz factory-trimmed RC
  • Internal 37 kHz low consumption RC
  • Internal multispeed low power RC, 65 kHz to 4.2 MHz with consumption down to 1.5 μA
  • PLL for CPU clock and USB (48 MHz)
• Low power calendar RTC
  • Alarm, periodic wakeup from Stop/Standby
• Memories
  • Up to 128 Kbyte of Flash memory with ECC
  • 4 Kbyte of data EEPROM with ECC
  • Up to 16 Kbyte of RAM
• Up to 83 fast I/Os (73 of which are 5 V-tolerant) all mappable on 16 external interrupt vectors
• Development support
  • Serial wire debug, JTAG and trace
• DMA: 7-channel DMA controller, supporting timers, ADC, SPIs, I2Cs and USARTs
• LCD 8 × 40 or 4 × 44 with step-up converter
• 12-bit ADC up to 1 Msps/24 channels
  • Temperature sensor and internal voltage reference
  • Operates down to 1.8 V
• 2 × 12-bit DACs with output buffers
• 2 ultralow power comparators
  • Window mode and wakeup capability
• 10 timers
  • 6 × 16-bit general-purpose timers, each with up to 4 IC/OC/PWM channels
  • 2 × 16-bit basic timers
  • 2 × watchdog timers (independent and window)
• Up to 8 communication interfaces
  • 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 calculation unit, 96-bit unique ID

 

STM32L151C8 参数

STM32L151C8 存储器
程序FLASH (kB)	64
RAM (kB)	10
STM32L151C8 性能参数
工作频率 (MHz)	32
16-bit 定时器	6
32-bit 定时器	-
A/D 转换器	1x12-bit
D/A 转换器	2x12-bit
通信接口	2xSPI;2xI2C; 3xUSART;1xUSB
I/Os	36
电压 (V)	1.65 to 3.6
STM32L151C8 封装与引脚
LQFP48

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