ST MCU 적용제품

STM32L151CCT6 - August Smart Lock

August Smart Lock은 이름과 같이 스마트 도어락입니다.

카드키나 비밀번호를 사용하지 않고 스마트폰과 BLE(Bluetooth Low Energy)를 사용하여 문을 잠그거나 열 수 있습니다.

 

 

 

 

 

STM32를 사용하였다는 것을 ST에서도 대대적으로 광고하였습니다.

http://www.st.com/web/en/press/cn/t3513s 

 

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August Smart Lock은 AA배터리 2개로 구동되기 때문에 저전력 디바이스인 STM32L151CCT6이 사용되었습니다.


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Key Features

  • Ultra-low-power platform
  • 1.65 V to 3.6 V power supply
  • -40 °C to 105 °C temperature range
  • 0.29μA Standby mode (3 wakeup pins)
  • 1.15 μA Standby mode + RTC
  • 0.44 μA Stop mode (16 wakeup lines)
  • 1.4 μA Stop mode + RTC
  • 8.6 μA Low-power run mode
  • 185 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
  • 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
  • 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 PLL for CPU clock and USB (48 MHz)
  • Pre-programmed bootloader
  • USB and USART supported
  • Development support
  • Serial wire debug supported
  • JTAG and trace supported
  • Up to 83 fast I/Os (70 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
  • Memories
  • 256 KB Flash memory with ECC
  • 32 KB RAM
  • 8 KB of true EEPROM with ECC
  • 128-byte backup register
  • LCD Driver (except STM32L151xC 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 1Msps up to 25 channels
  • 12-bit DAC 2 channels with output buffers
  • 2x ultra-low-power-comparators(window mode and wake up capability)
  • DMA controller 12x channels
  • 9x peripheral communication interfaces
  • 1x USB 2.0 (internal 48 MHz PLL)
  • 3x 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)
  • Up to 23 capacitive sensing channels
  • CRC calculation unit, 96-bit unique ID

 

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