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

Product Attributes

Introduction

ESP32 is a single-chip solution integrating 2.4 GHz Wi-Fi and dual-mode Bluetooth, fabricated using TSMC's ultra-low-power 40 nm process. It delivers exceptional RF performance, stability, versatility, and reliability, along with ultra-low power consumption to meet diverse power requirements across a wide range of application scenarios.

Features

• Fine-grained clock gating, power-saving modes, and dynamic voltage scaling
• Adjustable output power for RF power amplifier
• Only ~20 external components required
• Integrated antenna switch, RF Balun, power amplifier, LNA, filters, and power management module
• Single-chip RF and baseband integration using CMOS process
• Integrated advanced self-calibration circuitry for dynamic auto-adjustment
• 802.11 b/g/n
• 802.11n (2.4 GHz) up to 150 Mbps
• WMM
• Frame aggregation (TX/RX A-MPDU, RX A-MSDU)
• Immediate Block ACK
• Defragmentation
• Beacon auto-monitoring (hardware TSF)
• 4× virtual Wi-Fi interfaces
• Simultaneous Infrastructure BSS Station mode / SoftAP mode / Promiscuous mode
• Antenna diversity
• Bluetooth v4.2 full standard, including BR/EDR and BLE
• Supports standard Class-1, Class-2, and Class-3 without external power amplifier
• Enhanced Power Control
• Output power up to +12 dBm
• NZIF receiver with -97 dBm BLE receive sensitivity
• Adaptive Frequency Hopping (AFH)
• Standard HCI over SDIO/SPI/UART
• High-speed UART HCI up to 4 Mbps
• Bluetooth 4.2 BR/EDR and BLE dual-mode controller
• SCO/eSCO
• CVSD and SBC audio codec algorithms
• Bluetooth Piconet and Scatternet
• Multi-device connection for both BR/EDR and BLE
• Simultaneous advertising and scanning
• Xtensa® 32-bit LX6 single/dual-core processor, up to 600 MIPS (except ESP32-SOWD at 200 MIPS and ESP32-D2WD at 400 MIPS)
• 448 KB ROM
• 520 KB SRAM
• 16 KB RTC SRAM
• QSPI supporting multiple flash/SRAM
• Built-in 8 MHz oscillator with self-calibration support
• Built-in RC oscillator with self-calibration support
• External main crystal 2 MHz to 60 MHz (only 40 MHz supported when using Wi-Fi/Bluetooth)
• External 32 kHz crystal for RTC with self-calibration support
• 2 timer groups, each with 2× 64-bit general-purpose timers and 1 main system watchdog
• 1 RTC timer
• RTC watchdog
• 34 GPIO
• 12-bit SAR ADC, up to 18 channels
• 2× 8-bit DAC
• 10 touch sensors
• 4× SPI
• 2× I2S
• 2× I2C
• 3× UART
• 1× Host SD/eMMC/SDIO
• 1× Slave SDIO/SPI
• Ethernet MAC with dedicated DMA, IEEE 1588 support
• CAN 2.0
• IR (TX/RX), motor PWM
• LED PWM, up to 16 channels
• Hall sensor
• Secure boot
• Flash encryption
• 1024-bit OTP, up to 768 bits user-accessible
• Crypto hardware accelerators: AES, Hash (SHA-2), RSA, ECC
• RNG

Applications

• General-purpose low-power IoT sensor hub – Smart irrigation
• General-purpose low-power IoT data logger – Agricultural robotics
• Camera video streaming
• Audio devices
• OTT TV box/set-top box – Network music player
• Voice recognition – Audio streaming devices
• Image recognition – Network broadcasting
• Mesh networking
• Health/Medical/Care
• Home automation – Health monitoring – Smart lighting – Baby monitor – Smart socket
• Wi-Fi toys – Smart door lock – Remote-controlled toys
• Smart building – Proximity sensing toys – Lighting control – Early education machine – Energy consumption monitoring
• Wearable electronics
• Industrial automation – Smartwatch – Industrial wireless control – Smart band – Industrial robotics
• Retail & F&B
• Smart agriculture – POS system – Smart greenhouse – Service robotics