ESP32 Series Datasheet
2022-09-29
■Overview：
ESP32 is a single 2.4 GHz Wi-Fi-and-Bluetooth combo chip designed with the TSMC ultra-low-power 40 nm technology. It is designed to achieve the best power and RF performance, showing robustness, versatility and reliability in a wide variety of applications and power scenarios.
The ESP32 series of chips includes ESP32-D0WDQ6, ESP32-D0WD, ESP32-D2WD, and ESP32-S0WD. For details on part numbers and ordering information, please refer to Part Number and Ordering Information.
■Wi-Fi Key Features：
●802.11 b/g/n
●802.11 n (2.4 GHz), up to 150 Mbps
●WMM
●TX/RX A-MPDU, RX A-MSDU
●Immediate Block ACK
●Defragmentation
●Automatic Beacon monitoring (hardware TSF)
●4 × virtual Wi-Fi interfaces
●Simultaneous support for Infrastructure Station, SoftAP, and Promiscuous modes Note that when ESP32 is in Station mode, performing a scan, the SoftAP channel will be changed.
●Antenna diversity
■BT Key Features：
●Compliant with Bluetooth v4.2 BR/EDR and BLE specifications
●Class-1, class-2 and class-3 transmitter without external power amplifier
●Enhanced Power Control
●+12 dBm transmitting power
●NZIF receiver with –97 dBm BLE sensitivity
●Adaptive Frequency Hopping (AFH)
●Standard HCI based on SDIO/SPI/UART
●High-speed UART HCI, up to 4 Mbps
●Bluetooth 4.2 BR/EDR BLE dual mode controller
●Synchronous Connection-Oriented/Extended (SCO/eSCO)
●CVSD and SBC for audio codec
●Bluetooth Piconet and Scatternet
●Multi-connections in Classic BT and BLE
●Simultaneous advertising and scanning
■CPU and Memory：
●Xtensa®single-/dual-core 32-bit LX6 microprocessor(s), up to 600 MIPS (200 MIPS for ESP32-S0WD, 400MIPS for ESP32-D2WD)
●448 KB ROM
●520 KB SRAM
●16 KB SRAM in RTC
●QSPI supports multiple flash/SRAM chip
■Clocks and Timers：
●Internal 8 MHz oscillator with calibration
●Internal RC oscillator with calibration
●External 2 MHz~60 MHz crystal oscillator (40 MHz only for Wi-Fi/BT functionality)
●External 32 kHz crystal oscillator for RTC with calibration
●Two timer groups, including 2 × 64-bit timers and 1 × main watchdog in each group
●One RTC timer
●RTC watchdog
■Advanced Peripheral Interfaces：
●34 × programmable GPIOs
●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 interface with dedicated DMA and IEEE 1588 support
●CAN 2.0
●IR (TX/RX)
●Motor PWM
●LED PWM up to 16 channels
●Hall sensor
■Security：
●Secure boot
●Flash encryption
●1024-bit OTP, up to 768-bit for customers
●Cryptographic hardware acceleration:
◆AES
◆Hash (SHA-2)
◆RSA
◆ECC
◆Random Number Generator (RNG)
ESP32 is a single 2.4 GHz Wi-Fi-and-Bluetooth combo chip designed with the TSMC ultra-low-power 40 nm technology. It is designed to achieve the best power and RF performance, showing robustness, versatility and reliability in a wide variety of applications and power scenarios.
The ESP32 series of chips includes ESP32-D0WDQ6, ESP32-D0WD, ESP32-D2WD, and ESP32-S0WD. For details on part numbers and ordering information, please refer to Part Number and Ordering Information.
■Wi-Fi Key Features：
●802.11 b/g/n
●802.11 n (2.4 GHz), up to 150 Mbps
●WMM
●TX/RX A-MPDU, RX A-MSDU
●Immediate Block ACK
●Defragmentation
●Automatic Beacon monitoring (hardware TSF)
●4 × virtual Wi-Fi interfaces
●Simultaneous support for Infrastructure Station, SoftAP, and Promiscuous modes Note that when ESP32 is in Station mode, performing a scan, the SoftAP channel will be changed.
●Antenna diversity
■BT Key Features：
●Compliant with Bluetooth v4.2 BR/EDR and BLE specifications
●Class-1, class-2 and class-3 transmitter without external power amplifier
●Enhanced Power Control
●+12 dBm transmitting power
●NZIF receiver with –97 dBm BLE sensitivity
●Adaptive Frequency Hopping (AFH)
●Standard HCI based on SDIO/SPI/UART
●High-speed UART HCI, up to 4 Mbps
●Bluetooth 4.2 BR/EDR BLE dual mode controller
●Synchronous Connection-Oriented/Extended (SCO/eSCO)
●CVSD and SBC for audio codec
●Bluetooth Piconet and Scatternet
●Multi-connections in Classic BT and BLE
●Simultaneous advertising and scanning
■CPU and Memory：
●Xtensa®single-/dual-core 32-bit LX6 microprocessor(s), up to 600 MIPS (200 MIPS for ESP32-S0WD, 400MIPS for ESP32-D2WD)
●448 KB ROM
●520 KB SRAM
●16 KB SRAM in RTC
●QSPI supports multiple flash/SRAM chip
■Clocks and Timers：
●Internal 8 MHz oscillator with calibration
●Internal RC oscillator with calibration
●External 2 MHz~60 MHz crystal oscillator (40 MHz only for Wi-Fi/BT functionality)
●External 32 kHz crystal oscillator for RTC with calibration
●Two timer groups, including 2 × 64-bit timers and 1 × main watchdog in each group
●One RTC timer
●RTC watchdog
■Advanced Peripheral Interfaces：
●34 × programmable GPIOs
●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 interface with dedicated DMA and IEEE 1588 support
●CAN 2.0
●IR (TX/RX)
●Motor PWM
●LED PWM up to 16 channels
●Hall sensor
■Security：
●Secure boot
●Flash encryption
●1024-bit OTP, up to 768-bit for customers
●Cryptographic hardware acceleration:
◆AES
◆Hash (SHA-2)
◆RSA
◆ECC
◆Random Number Generator (RNG)
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