ESP32

model	notes
ESP32-C3
ESP32-C3FN4	EOL
ESP32-C3FH4
ESP32-C3FH4AZ	NRND
ESP32-C3FH4X
ESP32-C3FH8X
ESP32-S3
ESP32-S3FN8
ESP32-S3RH2
ESP32-S3R8
ESP32-S3R16V
ESP32-S3FH4R2
ESP32-S3R8V	EOL
ESP32-S3R2	EOL, -> ESP32-S3RH2

ESP32-C3  - 芯片系列
F         - 封装
H/N       - 温度 - H 高温 -40 ∼ 105  / N 正常 -40 ∼ 85/65
8         - Flash 大小, MB
R         - PSRAM
H         - PSRAM 温度, H 高温
16        - PSRAM 大小, MB
AZ        - 其他标志
X         - 芯片版本

• NRDN - 不推荐用于新设计
• QFN32 - 5*5
• 2016 年
• 参考
  • https://documentation.espressif.com/
  • ESP32 C3
    • RISC-V MCU, Wi-Fi, BLE 5
  • ESP32-C5
    • dual-band Wi-Fi 6 - 802.11b/g/n/ax
    • BLE
• Datasheet
  • https://documentation.espressif.com/esp32-c3_datasheet_cn.pdf
  • https://documentation.espressif.com/esp32-s3_datasheet_cn.pdf

特性

• 处理器
  • CPU Xtensa dual-core (or single-core) 32-bit LX6 microprocessor, operating at 160 or 240 MHz and performing at up to 600 DMIPS
  • Ultra low power (ULP) co-processor
• 520 KiB SRAM
• Wi-Fi 802.11 b/g/n
• Bluetooth v4.2 BR/EDR and BLE (shares the radio with Wi-Fi)
• 外设接口
  • 12-bit SAR ADC up to 18 channels
  • 2 × 8-bit DACs
  • 10 × touch sensors (capacitive sensing GPIOs)
  • 4 × SPI
  • 2 × I²S interfaces
  • 2 × I²C interfaces
  • 3 × UART
  • SD/SDIO/CE-ATA/MMC/eMMC host controller
  • SDIO/SPI slave controller
  • Ethernet MAC interface with dedicated DMA and IEEE 1588 Precision Time Protocol support
  • CAN bus 2.0
  • Infrared remote controller (TX/RX, up to 8 channels)
  • Motor PWM
  • LED PWM (up to 16 channels)
  • Hall effect sensor
  • Ultra low power analog pre-amplifier
• 安全
  • WiFi WFA, WPA/WPA2 and WAPI
  • 安全启动
  • Flash encryption
  • 1024-bit OTP, up to 768-bit for customers
  • Cryptographic hardware acceleration: AES, SHA-2, RSA, elliptic curve cryptography (ECC), random number generator (RNG)
• 电源管理
  • 内部低压差稳压器(low-dropout regulator - LDO)
  • Individual power domain for RTC
  • 5μA deep sleep current
  • Wake up from GPIO interrupt, timer, ADC measurements, capacitive touch sensor interrupt

Dev

• https://docs.espressif.com/projects/esp-idf/en/latest/esp32/
• Espressif IoT Development Framework
• https://esp-idf-zh.readthedocs.io/zh_CN/latest/