ESP8684 datasheet(4/60 Pages) ESPRESSIF

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• Access to flash accelerated by cache

• Supports flash in-Circuit Programming (ICP)

Advanced Peripheral Interfaces

• 14 programmable GPIOs

– 2 strapping GPIOs

• Digital interfaces:

– Three SPI

– Two UART

– I2C Master

– LED PWM controller, with up to 6 channels

– General DMA controller (GDMA), with 1 transmit channel and 1 receive channel

• Analog interfaces:

– 12-bit SAR ADC, up to 5 channels

– Temperature sensor

• Timers:

– 54-bit general-purpose timer

– Two watchdog timers

– 52-bit system timer

Low Power Management

• Fine-resolution power control through a selection of clock frequency, duty cycle, Wi-Fi operating modes,

and individual power control of internal components

• Four power modes designed for typical scenarios: Active, Modem-sleep, Light-sleep, Deep-sleep

• Power consumption in Deep-sleep mode is 5 μA

• RTC memory remains powered on in Deep-sleep mode

Security

• Secure boot - permission control on accessing internal and external memory

• Flash encryption - memory encryption and decryption

• 1024-bit OTP, up to 256 bits for users

• Cryptographic hardware acceleration:

– ECC

– SHA Accelerator (FIPS PUB 180-4)

• Random Number Generator (RNG)

Espressif Systems

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ESP8684 Series Datasheet v2.0

ESP8684 Datasheet(PDF) 4 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.