Datasheet ESP32 (Espressif) - 9

link to page 22 1.2 Basic Protocols 1 OVERVIEW • Fragmentation and defragmentation • Automatic Beacon monitoring/scanning • 802.11 i security features: pre-authentication and TSN • Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS) • Infrastructure BSS Station mode/SoftAP mode • Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management • UMA compliant and certified • Antenna diversity and selection Note: For more information, refer to Section 3.5 Wi-Fi. 1.2.2 Bluetooth • Compliant with Bluetooth v4.2 BR/EDR and BLE specification • Class-1, class-2 and class-3 transmitter without external power amplifier • Enhanced power control • +10 dBm transmitting power • NZIF receiver with -98 dBm sensitivity • Adaptive Frequency Hopping (AFH) • Standard HCI based on SDIO/SPI/UART • High speed UART HCI, up to 4 Mbps • BT 4.2 controller and host stack • Service Discover Protocol (SDP) • General Access Profile (GAP) • Security Manage Protocol (SMP) • Bluetooth Low Energy (BLE) • ATT/GATT • HID • All GATT-based profile supported • SPP-Like GATT-based profile • BLE Beacon • A2DP/AVRCP/SPP, HSP/HFP, RFCOMM • CVSD and SBC for audio codec • Bluetooth Piconet and Scatternet Espressif Systems 2 http://www.espressif.com 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