STM32L432. 32핀 5x5mm . 고속 . 저전력 . USB .

 

 

STM32L432

 

Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 256 Kbytes Flash, USB

 

 

Features

• Ultra-low-power with FlexPowerControl
– 1.71 V to 3.6 V power supply
– -40 °C to 85/105/125 °C temperature range
– 8 nA Shutdown mode (2 wakeup pins)
– 28 nA Standby mode (2 wakeup pins)
– 280 nA Standby mode with RTC
– 1.0 μA Stop 2 mode, 1.28 μA with RTC
– 84 μA/MHz run mode
– Batch acquisition mode (BAM)
– 4 μs wakeup from Stop mode
– Brown out reset (BOR)
– Interconnect matrix

• Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions

• Performance benchmark
– 1.25 DMIPS/MHz (Drystone 2.1)
– 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)

• Energy benchmark
– 176.7 ULPBench® score

• Clock Sources
– 32 kHz crystal oscillator for RTC (LSE)
– Internal 16 MHz factory-trimmed RC (±1%)
– Internal low-power 32 kHz RC (±5%)
– Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy)
– Internal 48 MHz with clock recovery
– 2 PLLs for system clock, USB, audio, ADC

• Up to 26 fast I/Os, most 5 V-tolerant

• RTC with HW calendar, alarms and calibration
• Up to 3 capacitive sensing channels
• 11x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

 

• Memories
– Up to 256 KB single bank Flash, proprietary code readout protection 
– 64 KB of SRAM including 16 KB with hardware parity check
– Quad SPI memory interface

• Rich analog peripherals (independent supply)
– 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
– 2x 12-bit DAC output channels, low-power sample and hold
– 1x operational amplifier with built-in PGA
– 2x ultra-low-power comparators

• 14x communication interfaces
– USB 2.0 full-speed crystal less solution with LPM and BCD
– 1x SAI (serial audio interface)
– 2x I2C FM+(1 Mbit/s), SMBus/PMBus
– 3x USARTs (ISO 7816, LIN, IrDA, modem)
– 1x LPUART (Stop 2 wake-up)
– 2x SPIs (and 1x Quad SPI)
– CAN (2.0B Active)
– SWPMI single wire protocol master I/F
– IRTIM (Infrared interface)

• 14-channel DMA controller
• True random number generator

 

 

데이터 시트 : https://www.st.com/resource/en/datasheet/stm32l432kc.pdf

 

제조사 제품 페이지 : https://www.st.com/en/microcontrollers-microprocessors/stm32l432kc.html

STM32L432KC - STMicroelectronics

 

 

 

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첫등록 : 2019년 8월 26일 

최종수정 : 

 

본 글 단축주소 : https://igotit.tistory.com/

 

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