Features
Wi-Fi
• IEEE 802.11 b/g/n-compliant
• Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band
• Single-band 1T1R mode with data rate up to 150 Mbps
• WMM
• TX/RX A-MPDU, RX A-MSDU
• Immediate Block ACK
• Fragmentation and defragmentation
• Automatic Beacon monitoring (hardware TSF)
• 4 × virtual Wi-Fi interfaces
• Simultaneous support for Infrastructure Station, SoftAP, and Promiscuous modes
Note that when ESP32-S2 is in Station mode and performs a scan, the SoftAP channel will change along with the Station channel.
• Antenna diversity
• 802.11mc FTM
CPU and Memory
• Xtensa® single-core 32-bit LX7 microprocessor,up to 240 MHz
• CoreMark® score:– 1 core at 240 MHz: 472.73 CoreMark; 1.97CoreMark/MHz
• 128 KB ROM
• 320 KB SRAM
• 16 KB SRAM in RTC
• Embedded flash and PSRAM (see details in Chapter 1: ESP32-S2 Series Comparison)
• SPI/QSPI/OSPI supports multiple flash and external RAM chips
• Access to flash accelerated by cache
• Supports flash in-Circuit Programming (ICP)