A minimal table to compare the Espressif's MCU families.
ESP8266 | ESP32 | ESP32-S2 | ESP32-S3 | ESP32-C3 | ESP32-C6 | |
---|---|---|---|---|---|---|
Announcement Date | 2014, August | 2016, September | 2019, September | 2020, December |
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
{ config, lib, ... }: | |
with lib; | |
let | |
cfg = config.services.nixBinaryCacheCache; | |
nginxCfg = config.services.nginx; |
import chisel3.util.log2Ceil | |
import chisel3.experimental.EnumAnnotations.{EnumComponentAnnotation, EnumVecAnnotation, EnumDefAnnotation} | |
import firrtl.{CircuitState, DependencyAPIMigration, Transform} | |
import firrtl.options.TargetDirAnnotation | |
import firrtl.stage.{Forms, RunFirrtlTransformAnnotation} | |
import firrtl.analyses.InstanceKeyGraph | |
import firrtl.ir.{GroundType, SIntType, IntWidth, Port} | |
import chiseltest.internal.{VerilatorBackendAnnotation, WriteVcdAnnotation} | |
import logger.LazyLogging |