آر اف (فرکانس رادیویی) و بی‌سیم آی سی‌ فرستنده‌گیرنده آر اف

Product Attributes

Features

• Includes ST state-of-the-art patented technology
• 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
  • Available integrated passive device (IPD) companion chips for optimized matching, filtering and balun, all in one very compact solution covering each package and each main use cases (22 dBm @ 915 MHz, 14 dBm @ 868 MHz, 17 dBm @ 490 MHz)
  • Compliant with the following radio frequency regulations such as ETSI EN 300 220, EN 300 113, EN 301 166, FCC CFR 47 Part 15, 24, 90, 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 ℃ to +105 ℃ 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)
• Core
  • 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-bit 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
• All packages ECOPACK2 compliant