ESP8266、ESP32 和 ESP32-S2 对比

ESP32、ESP8266
ESP32-S2、ESP32-S3、ESP32-C3
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shaoziyang
帖子: 3917
注册时间: 2019年 10月 21日 13:48

ESP8266、ESP32 和 ESP32-S2 对比

#1

帖子 shaoziyang »

来自:https://maker.pro/esp8266/tutorial/a-co ... -the-esp32
-ESP8266ESP32ESP32-S2
release Year201420162019
MicrocontrollerXtensa single-core 32-bit L106Xtensa single/dual-core 32-bit LX6Xtensa single-core 32-bit LX7 
Clock Frequency80 MHz160/240 MHz240 MHz 
Co-processorNoULPULP (RISC-V) 
SRAM160 KB520 KB320 KB 
ROMNo448 KB128 KB
RTC MemoryNo16 KB16 KB
External SPIRAMUp to 16MBUp to 16MBUp to 128MB
External FlashNoNoUp to 1G
Wi-Fi (802.11 b/g/n)HT20HT20HT20
ESP-MESHYesYesYes 
BluetoothNoBT 4.2 BR/EDR & BLENo
EthernetNo10/100 MbpsNo
CANNo2.0No
Time of FlightNoNoYes
GPIO (total)163443
Touch SensorsNo1014
SPI244 (OSPI)
I2C1 (soft)22
I2S221
UART2 (1 ½ actually)32
ADC1 (10-bit)18 (12-bit)20 (12-bit)
DACNo2 (8-bit)2 (8-bit)
PWM (soft)8168
SDMMCNoYesNo
RMT (remote control)NoYesYes
USB OTGNoNoYes
LCD InterfaceNoNoYes
Camera InterfaceNoNoYes
Temperature sensorNoYesYes
Hall sensorNoYesNo
SecurityNoSecure boot Flash encryption 1024-bit OTPSecure boot Flash encryption 4096-bit OTP
CryptoNoAES, SHA-2, RSA, ECC, RNGAES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital Signature
Low Power Consumption20uA10uA deep sleepAutomatic RF power management 5uA in idle mode 24uA at 1% duty cycle
 
 
 
 
 
 

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Walkline
帖子: 16
注册时间: 2019年 12月 29日 13:44

Re: ESP8266、ESP32 和 ESP32-S2 对比

#2

帖子 Walkline »

这个s2除了腿多了,扩展ram大了以外好像就是个负升级啊?
技术需要积淀

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