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September 2017 DocID027973 Rev 5 1/119
STM32L011x3 STM32L011x4
Access line ultra-low-power 32-bit MCU Arm
®
-based
Cortex
®
-M0+, up to 16KB Flash, 2KB SRAM, 512B EEPROM, ADC
Datasheet - production data
Features
Ultra-low-power platform
1.65 V to 3.6 V power supply
-40 to 125 °C temperature range
0.23 µA Standby mode (2 wakeup pins)
0.29 µA Stop mode (16 wakeup lines)
0.54 µA Stop mode + RTC + 2 KB RAM
retention
Down to 76 µA/MHz in Run mode
5 µs wakeup time (from Flash memory)
41 µA 12-bit ADC conversion at 10 ksps
Core: Arm
®
32-bit Cortex
®
-M0+
From 32 kHz to 32 MHz max.
0.95 DMIPS/MHz
Reset and supply management
Ultra-safe, low-power BOR (brownout reset)
with 5 selectable thresholds
Ultralow power POR/PDR
Programmable voltage detector (PVD)
Clock sources
0 to 32 MHz external clock
32 kHz oscillator for RTC with calibration
High speed internal 16 MHz factory-trimmed RC
(+/- 1%)
Internal low-power 37 kHz RC
Internal multispeed low-power 65 kHz to
4.2 MHz RC
PLL for CPU clock
Pre-programmed bootloader
USART, SPI supported
Development support
Serial wire debug supported
Up to 28 fast I/Os (23 I/Os 5V tolerant)
Memories
Up to
16 KB Flash memory with ECC
2 KB RAM
512 B of data EEPROM with ECC
20-byte backup register
Sector protection against R/W operation
Rich Analog peripherals
12-bit ADC 1.14 Msps up to 10 channels (down
to 1.65 V)
2x ultra-low-power comparators (window mode
and wake up capability, down to 1.65 V)
5-channel DMA controller, supporting ADC, SPI,
I2C, USART, Timers
4x peripherals communication interface
1x USART (ISO 7816, IrDA), 1x UART (low power)
1x SPI 16 Mbits/s
1x I2C (SMBus/PMBus)
7x timers: 1x 16-bit with up to 4 channels, 1x 16-bit
with up to 2 channels, 1x 16-bit ultra-low-power
timer, 1x SysTick, 1x RTC and 2x watchdogs
(independent/window)
CRC calculation unit, 96-bit unique ID
All packages are ECOPACK
®
2
Table 1. Device summary
Reference Part number
STM32L011x3
STM32L011G3, STM32L011K3,
STM32L011E3, STM32L011F3,
STM32L011D3
STM32L011x4
STM32L011G4, STM32L011K4,
STM32L011E4, STM32L011F4,
STM32L011D4
UFQFPN20 3x3 mm
UFQFPN28 4x4 mm
UFQFPN32 5x5 mm
LQFP32
7x7 mm
WLCSP25
2.133x2.070 mm
TSSOP14/20
169 mils
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-40~125°C+41μA的12位ADC+0.23μA待机(2唤醒引脚)+0.34μA停止模式(16唤醒行)+2KB.RAM+512B.EEPROM+76μA/MHz运行功耗+5us唤醒时间
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