STM32WLE5CC原理图

DN1139

电路原理图

所有功能

• Radio
  • Frequency range: 150 MHz to 960 MHz
  • Modulation: LoRa®, (G)FSK, (G)MSK and BPSK
  • RX sensitivity: –123 dBm for 2-FSK(at 1.2 Kbit/s), –148 dBm for LoRa® (at 10.4 kHz, spreading factor 12)
  • Transmitter high output power, programmable up to +22 dBm
  • Transmitter low output power, programmable up to +15 dBm
  • Compliant with the following radio frequency regulations: ETSI EN 300 220, EN 300 113, EN 301 166, FCC CFR 47 Part 15, 24, 90, 101 and the Japanese ARIB STD-T30, T-67, T-108
  • Compatible with standardized or proprietary protocols such as LoRaWAN®, Sigfox™, W-MBus and more (fully open wireless system-on-chip)
    
• Ultra-low-power platform
  • 1.8 V to 3.6 V power supply
  • –40 °C to +105 °C temperature range
  • Shutdown mode: 31 nA (VDD = 3 V)
  • Standby (+ RTC) mode:360 nA (VDD = 3 V)
  • Stop2 (+ RTC) mode: 1.07 μA (VDD = 3 V)
  • Active-mode MCU: < 72 μA/MHz (CoreMark®)
  • Active-mode RX: 4.82 mA
  • Active-mode TX: 15 mA at 10 dBm and 87 mA at 20 dBm (LoRa® 125 kHz)
    
• 内核
  • 32-bit Arm® Cortex®-M4 CPU
    
    • Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 48 MHz, MPU and DSP instructions
    • 1.25 DMIPS/MHz (Dhrystone 2.1)
      
    
    
• Security and identification
  • Hardware encryption AES 256-bit
  • True random number generator (RNG)
  • Sector protection against read/write operations (PCROP, RDP, WRP)
  • CRC calculation unit
  • Unique device identifier (64-bit UID compliant with IEEE 802-2001 standard)
  • 96-bit unique die identifier
  • Hardware public key accelerator (PKA)
    
• Supply and reset management
  • High-efficiency embedded SMPS step-down converter
  • SMPS to LDO smart switch
  • Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
  • Ultra-low-power POR/PDR
  • Programmable voltage detector (PVD)
  • VBAT mode with RTC and 20x32-byte backup registers
    
• clock sources
  • 32 MHz crystal oscillator
  • TCXO support: programmable supply voltage
  • 32 kHz oscillator for RTC with calibration
  • High-speed internal 16 MHz factory trimmed RC (± 1 %)
  • Internal low-power 32 kHz RC
  • Internal multi-speed low-power 100 kHz to 48 MHz RC
  • PLL for CPU, ADC and audio clocks
    
• Memories
  • Up to 256-Kbyte Flash memory
  • Up to 64-Kbyte RAM
  • 20x32-bit backup register
  • Bootloader supporting USART and SPI inteRFaces
  • OTA (over-the-air) firmware update capable
  • Sector protection against read/write operations
    
  
  

• Rich analog peripherals (down to 1.62 V)
  • 12-bit ADC 2.5 Msps, up to 16 bits with hardware oversampling, conversion range up to 3.6 V
  • 12-bit DAC, low-power sample-and-hold
  • 2x ultra-low-power comparators
    
• System peripherals
  • Semaphores for processor firmware process synchronization
    
• Controllers
  • 2x DMA controller (7 channels each) supporting ADC, DAC, SPI, I2C, LPUART, USART, AES and timers
  • 2x USART (ISO 7816, IrDA, SPI)
  • 1x LPUART (low-power)
  • 2x SPI 16 Mbit/s (1 over 2 supporting I2S)
  • 3x I2C (SMBus/PMBus™)
  • 2x 16-bit 1-channel timer
  • 1x 16-bit 4-channel timer (supporting motor control)
  • 1x 32-bit 4-channel timer
  • 3x 16-bit ultra-low-power timer
  • 1x RTC with 32-bit sub-second wakeup counter
  • 1x independent SysTick
  • 1x independent watchdog
  • 1x window watchdog
    
• Up to 43 I/Os, most 5 V-tolerant
• Development support
  • Serial-wire debug (SWD), JTAG for the application processor
    
• All packages ECOPACK2 compliant
•