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深圳市海天鸿电子科技有限公司
刘远俊
Shenzhen Hthong Electronices Co.,Ltd
地址:深圳市福田区中航路中航北苑大厦A座22A3号
Room 22A3,ZhongHang North Garden Building ,ZhongHang Road,FuTian District,Shenzhen
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Tel: 0755-8255 2857-809 Fax:0755-8255 2837
SKYPE:15013509499@163.com Q Q:2215154487
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代理经销:ST (优势渠道:STM8、STM32系列),
TI(优势渠道:SN74逻辑 CC、MSP430、TPS、TMS320系列)
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STM32L052x6 STM32L052x8
Ultra-low-power 32-bit MCU ARM-based Cortex-M0+, up to 64 KB
Flash memory, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC
Datasheet - production data
Features
· Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40 to 125 °C temperature range
– 0.27 μA Standby mode (2 wakeup pins)
– 0.4 μA Stop mode (16 wakeup lines)
– 0.8 μA Stop mode + RTC + 8 KB RAM retention
– 88 μA/MHz in Run mode
– 3.5 μs wakeup time (from RAM)
– 5 μs wakeup time (from Flash memory)
· Core: ARM 32-bit Cortex-M0+ with MPU
– From 32 kHz up to 32 MHz max.
– 0.95 DMIPS/MHz
· Reset and_supply management
– Ultra-safe, low-power BOR (brownout reset)
with 5 selectable thresholds
– Ultra-low-power POR/PDR
– Programmable voltage detector (PVD)
· Clock sources
– 1 to 25 MHz crystal oscillator
– 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
– Internal self calibration of 48 MHz RC for USB
– PLL for CPU clock
· Pre-programmed bootloader
– USART, SPI supported
· Development support
– Serial wire debug supported
· Up to 51 fast I/Os (45 I/Os 5V tolerant)
· Memories
– Up to 64 KB Flash memory with ECC
– 8KB RAM
– 2 KB 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 16 channels (down
to 1.65 V)
– 12-bit 1 channel DAC with output buffers (down
to 1.8 V)
– 2x ultra-low-power comparators (window mode
and_wake up capability, down to 1.65 V)
· Up to 24 capacitive sensing channels supporting
touchkey, linear and_rotary touch sensors
· 7-channel DMA controller, supporting ADC, SPI,
I2C, USART, DAC, Timers
· 8x peripheral communication interfaces
– 1x USB 2.0 crystal-less, battery charging
detection and_LPM
– 2x USART (ISO 7816, IrDA), 1x UART (low
power)
– Up to 4x SPI 16 Mbits/s
– 2x I2C (SMBus/PMBus)
· 9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit
with up to 2 channels, 1x 16-bit ultra-low-power
timer, 1x SysTick, 1x RTC, 1x 16-bit basic for DAC,
and_2x watchdogs (independent/window)
· CRC calculation unit, 96-bit unique ID
· True RNG and_firewall protection
· All packages are ECOPACK2
Table 1. Device summary
Reference Part number
STM32L052x6
STM32L052C6,
STM32L052K6,
STM32L052R6,
STM32L052T6
STM32L052x8
STM32L052C8,
STM32L052K8,
STM32L052R8,
STM32L052T8