Espressif ESP32 (ESP31B) Specifications

Дмитрий DarkByte Москин

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Espressif ESP32 (ESP31B) Specifications

Опубликовано 01.01.2016 автором Дмитрий Москин


Wi-Fi
- 802.11 b/g/n/e/i
- 802.11 n (2.4 GHz), up to 150 Mbps
- 802.11 i security features: pre-authentication and TSN
- 802.11 e: Multiple queue management to fully utilize QoS traffic prioritization
- Wi-Fi Protected Access (WPA)/WPA2
- Wi-Fi Protected Setup (WPS)
- UMA compliant and certified
- Antenna diversity nd seection
- A-MPDU and A-MSDU aggregation
- WMM power s ve U-APSD
- Fragmentation and defragmentation
- Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management
- Infrastructure BSS Station mode/ Soft AP mode
- Automatic beacon monitoring / scanning
- SSL stacks with hardware accelerators

Bluetooth
- CMOS single-chip fully-integrated radio and baseband
- Bluetooth Piconet and Scatternet
- Bluetooth 4.2 (BR/EDR/BLE)
- Adaptive Frequency Hopping(AFH)
- SMP
- Class-1, class-2 and class-3 transmitter without exter al power amplifier
- +10 dBm tra smitting power
- NZIF receiver with -90 dBm sensitivity
- Up-to 4 Mbps high speed UART HCI
- SDIO / SPI HCI
- CVSD and SBC
- Low power consumption
- Minimum external component

CPU and Memory
- Xtensa® Dual-Core 32-bit LX6 micr pr cess rs, up to 400MIPS
- 128 KB ROM
- QSPI Flash/SRAM, up to 4 x 16 MB
- Power supply: 2.5V to 3.6V
- 416 KB SRAM

Clocks and Timers
- 2 MHz to 40 MHz crystal oscillator
- Internal 8 MHz oscillator with calibration
- External 32 kHz oscillator for RTC with calibration
- Internal RC oscillator with calibration
- Two timer groups including 3 x 64-bit timers and 1 x watchdog in each group
- RTC timer with sub-second accuracy
- RTC watchdog

Advanced Peripheral Interfaces
- 12-bit SAR ADC up to 16 channels
- 2 x 10-bit D/A converters
- 10 x touch sensors
- Temperature sensor (-40 +125°C)
- 4 x SPI
- 2 x I2S
- 2 x I2C
- 2 x 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 channes

Security
- IEEE 802.11 standard security features all supported, including WFA, WPA/ WPA2 and WAPI
- Secure boot
- Flash encryption
- 1024-bit OTP, up to 768-bit for customers
- Cryptographc hardware acceleration:
- AES 128/192/256
- HASH (SHA-2) library
- RSA
- Radom Number Generator