Datasheet ESP32 (Espressif) - 4

制造商Espressif
描述ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra low power 40 nmtechnology
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link to page 24 link to page 24 link to page 24 link to page 24 link to page 25 link to page 26 link to page 28 link to page 28 link to page 28 link to page 28 link to page 28 link to page 28 link to page 29 link to page 29 link to page 29 link to page 30 link to page 30 link to page 30 link to page 31 link to page 31 link to page 31 link to page 31 link to page 31 link to page 32 link to page 32 link to page 32 link to page 33 link to page 33 link to page 33 link to page 34 link to page 34 link to page 35 link to page 35 link to page 35 link to page 36 link to page 36 link to page 37 link to page 37 link to page 37 link to page 39 link to page 40 link to page 40 link to page 40 3.6 Bluetooth 17 3.6.1 Bluetooth Radio and Baseband 17 3.6.2 Bluetooth Interface 17 3.6.3 Bluetooth Stack 17 3.6.4 Bluetooth Link Controller 18 3.7 RTC and Low-Power Management 19 4 Peripheral Interface 21 4.1 General Purpose Input / Output Interface (GPIO) 21 4.2 Analog-to-Digital Converter (ADC) 21 4.3 Ultra Low Noise Analog Pre-Amplifier 21 4.4 Hall Sensor 21 4.5 Digital-to-Analog Converter (DAC) 21 4.6 Temperature Sensor 22 4.7 Touch Sensor 22 4.8 Ultra-Lower-Power Coprocessor 22 4.9 Ethernet MAC Interface 23 4.10 SD/SDIO/MMC Host Controller 23 4.11 Universal Asynchronous Receiver Transmitter (UART) 23 4.12 I2C Interface 24 4.13 I2S Interface 24 4.14 Infrared Remote Controller 24 4.15 Pulse Counter 24 4.16 Pulse Width Modulation (PWM) 24 4.17 LED PWM 25 4.18 Serial Peripheral Interface (SPI) 25 4.19 Accelerator 25 5 Electrical Characteristics 26 5.1 Absolute Maximum Ratings 26 5.2 Recommended Operating Conditions 26 5.3 RF Power Consumption Specifications 27 5.4 Wi-Fi Radio 27 5.5 Bluetooth Radio 28 5.5.1 Receiver - Basic Data Rate 28 5.5.2 Transmitter - Basic Data Rate 28 5.5.3 Receiver - Enhanced Data Rate 29 5.5.4 Transmitter - Enhanced Data Rate 29 5.6 Bluetooth LE Radio 30 5.6.1 Receiver 30 5.6.2 Transmitter 30 6 Package Information 32 7 Supported Resources 33 7.1 Related Documentation 33 7.2 Community Resources 33 Document Outline Overview Featured Solutions Ultra Low Power Solution Complete Integration Solution Basic Protocols Wi-Fi Bluetooth MCU and Advanced Features CPU and Memory Clocks and Timers Advanced Peripheral Interfaces Security Development Support Application Block Diagram Pin Definitions Pin Layout Pin Description Power Scheme Strapping Pins Functional Description CPU and Memory CPU Internal Memory External Flash and SRAM Memory Map Timers and Watchdogs 64-bit Timers Watchdog Timers System Clocks CPU Clock RTC Clock Audio PLL Clock Radio 2.4 GHz Receiver 2.4 GHz Transmitter Clock Generator Wi-Fi Wi-Fi Radio and Baseband Wi-Fi MAC Wi-Fi Firmware Packet Traffic Arbitration (PTA) Bluetooth Bluetooth Radio and Baseband Bluetooth Interface Bluetooth Stack Bluetooth Link Controller RTC and Low-Power Management Peripheral Interface General Purpose Input / Output Interface (GPIO) Analog-to-Digital Converter (ADC) Ultra Low Noise Analog Pre-Amplifier Hall Sensor Digital-to-Analog Converter (DAC) Temperature Sensor Touch Sensor Ultra-Lower-Power Coprocessor Ethernet MAC Interface SD/SDIO/MMC Host Controller Universal Asynchronous Receiver Transmitter (UART) I2C Interface I2S Interface Infrared Remote Controller Pulse Counter Pulse Width Modulation (PWM) LED PWM Serial Peripheral Interface (SPI) Accelerator Electrical Characteristics Absolute Maximum Ratings Recommended Operating Conditions RF Power Consumption Specifications Wi-Fi Radio Bluetooth Radio Receiver - Basic Data Rate Transmitter - Basic Data Rate Receiver - Enhanced Data Rate Transmitter - Enhanced Data Rate Bluetooth LE Radio Receiver Transmitter Package Information Supported Resources Related Documentation Community Resources Appendix A - Touch Sensor Appendix B - Code Examples