詳細(xì)信息
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June 2011
Doc ID 17659 Rev 5
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1
STM32L151xx
STM32L152xx
Ultralow power ARM-based 32-bit MCU with up to 128 KB Flash,
RTC, LCD, USB, USART, I2C, SPI, timers, ADC, DAC, comparators
Features
■
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, 64 kHz
to 4
MHz with a 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