ESP8684-DevKitM-1

Features

• Wi­Fi
  • IEEE 802.11 b/g/n-compliant
  • Supports 20MHz bandwidth in 2.4GHz band
  • 1T1R mode with data rate up to 72.2Mbps
  • Wi-Fi Multimedia (WMM)
  • TX/RX A-MPDU, TX/RX A-MSDU
  • Immediate Block ACK
  • Fragmentation and defragmentation
  • Transmit opportunity (TXOP)
  • Automatic Beacon monitoring (hardware TSF)
  • 3 × virtual Wi-Fi interfaces
  • Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode
  • Antenna diversity
  • Supports external power amplifier
• BLUETOOTH®
  • Bluetooth LE: Bluetooth 5
  • High power mode 20dBm
  • Speed: 125kbps, 500kbps, 1Mbps, 2Mbps
  • Advertising extensions
  • Multiple advertisement sets
  • Channel selection algorithm #2
  • Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
• CPU and Memory
  • 32-bit RISC-V single-core processor, up to 120MHz
  • CoreMark® score
  • Cryptographic hardware acceleration:
    • ECC
    • 1 core at 120MHz: 305.42CoreMark; 2.55CoreMark/M
  • 576KB ROM
  • 272KB SRAM (16KB for cache)
  • SiP flash (see details in Chapter 1 ESP8684 Series Comparison)
  • Access to flash accelerated by cache
  • Supports flash in-Circuit Programming (ICP)
• Advanced Peripheral Interfaces
  • 14 × programmable GPIOs
  • Digital interfaces:
    • 3 × SPI
    • 2 × UART
    • 1 × I²C Master
    • LED PWM controller, with up to 6 channels
    • General DMA controller (GDMA), with 1 transmit channel and 1 receive channel
• Analog interfaces:
  • 1 × 12-bit SAR ADC, up to 5 channels
  • 1 × temperature sensor
• Timers:
  • 1 × 54-bit general-purpose timer
  • 2 × watchdog timers
  • 1 × 52-bit system timer
• Low Power Management
  • Power Management Unit with four power modes
• Security
  • Secure boot
  • Flash encryption
  • 1024-bit OTP, up to 256 bits for use
    • SHA Accelerator (FIPS PUB 180-4)
  • Random Number Generator (RNG)

Components

Espressif Systems ESP8684 Ultra ­Low ­Power SoCs supply a highly-integrated MCU-based SoC solution. The ESP8684 supports 2.4GHz Wi-Fi® and BLUETOOTH® Low Energy (Bluetooth LE). The ESP8684 SoCs provide a 32­bit RISC­V single­core processor with a four-stage pipeline that operates up to 120MHz. The device’s storage capacity is ensured by 272KB of SRAM (16KB for cache) and 576KB of ROM on the chip.

Additional Resource DBL

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