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

Product Attributes

Features

• Incorporates ST advanced patented technology
• RF:
  • Frequency range: 150 MHz to 960 MHz
  • Modulation: LoRa, (G)FSK, (G)MSK, and BPSK
  • RX sensitivity:
    • -123 dBm at 2-FSK (1.2 Kbit/s)
    • -148 dBm at LoRa (10.4 kHz, spreading factor 12)
  • High output power transmitter, programmable up to +22 dBm
  • Low output power transmitter, programmable up to +15 dBm
  • IPD companion chip available for optimized matching, filtering, and balun — compact solution covering various packages and major use cases (22 dBm at 915 MHz, 14 dBm at 868 MHz, 17 dBm at 490 MHz)
  • Compliant with RF regulations: ETSI EN 300 220, EN 300 113, EN 301 166, FCC CFR 47 Part 15, 24, 90, and Japan ARIB STD-T30, T-67, T-108
  • Compatible with standardized or proprietary protocols such as LoRaWAN, Sigfox, W-MBus, etc. (fully open wireless SoC)
• Ultra-low-power platform:
  • 1.8 V to 3.6 V 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, 87 mA at 20 dBm (LoRa 125 kHz)
• Core:
  • 32-bit Arm Cortex-M4 CPU
  • ART Accelerator enabling zero-wait-state execution from Flash at up to 48 MHz, with MPU and DSP instructions
  • 1.25 DMIPS/MHz (Dhrystone 2.1)
• Security and identification:
  • Hardware AES 256-bit encryption
  • True RNG
  • Sector read/write protection (PCROP, RDP, WRP)
  • CRC calculation unit
  • Unique device identifier (64-bit UID, compliant with IEEE 802-2001)
  • 96-bit unique die identifier
  • Hardware PKA
• Power and reset management:
  • High-efficiency embedded SMPS step-down converter
  • SMPS-to-LDO smart switch
  • Ultra-safe, low-power BOR with 5 selectable thresholds
  • Ultra-low-power POR/PDR
  • Programmable voltage detector (PVD)
  • VBAT mode with RTC and 20×32-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
• Memory:
  • Up to 256 KB Flash
  • Up to 64 KB RAM
  • 20×32-bit backup registers
  • Bootloader supporting USART and SPI interfaces
  • OTA firmware update support
  • Sector read/write protection
• Rich analog peripherals (down to 1.62 V):
  • 12-bit ADC 2.5 Msps, hardware oversampling up to 16-bit, conversion range up to 3.6 V
  • 12-bit DAC with low-power sample-and-hold
  • 2 ultra-low-power comparators
• System peripherals:
  • Semaphore for processor firmware process synchronization
• Controllers:
  • 2 DMA controllers (7 channels each) supporting ADC, DAC, SPI, I²C, LPUART, USART, AES, and timers
  • 2 USARTs (ISO 7816, IrDA, SPI)
  • 1 LPUART (low-power)
  • 2 SPI 16 Mbit/s (1 of 2 supports I²S)
  • 3 I²C (SMBus/IPMBus)
  • 2× 16-bit 1-channel timers
  • 1× 16-bit 4-channel timer (motor control capable)
  • 1× 32-bit 4-channel timer
  • 3× 16-bit ultra-low-power timers
  • 1 RTC with 32-bit sub-second wakeup counter
  • 1 independent SysTick
  • 1 independent watchdog
  • 1 window watchdog
• Up to 43 I/Os, most 5 V-tolerant
• Development support:
  • Serial Wire Debug (SWD), JTAG
• All packages ECOPACK2 compliant