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General| Clock Speed | up to 240 MHz |
|---|---|
| SRAM | 512 KB |
| PSRAM | up to 8 MB |
| Wi-Fi | 802.11 b/g/n |
| Bluetooth | Bluetooth 5, Bluetooth LE |
| GPIO | up to 45 |
| PWM | up to 16 channels |
| Operating Voltage | 3.0V to 3.6V |
| DMA | Yes |
| Flash Memory | up to 16 MB |
| ADC | 2 × 12-bit SAR ADC, up to 20 channels |
| DAC | 2 x 8-bit DAC |
| SPI | 4 × SPI |
| UART | 3 × UART |
| Temperature Range | -40°C to 85°C |
| Security | Secure boot, flash encryption |
| Timers | 4 × 64-bit general-purpose timers, 1 × watchdog timer |
| I2S | 2 × I2S |
| USB | USB OTG |
| CPU | Xtensa® dual-core 32-bit LX7 microprocessor |
Details digital and analog power supply pin configurations and recommendations for ESP32-S3.
Explains ESP32-S3 chip activation and reset mechanisms, including timing parameters and pin configurations.
Covers SiP and external flash/PSRAM configurations, including pin mapping and layout advice for ESP32-S3.
Details external crystal and optional RTC clock source requirements, schematics, and accuracy for ESP32-S3.
Describes RF trace routing, matching networks, and impedance considerations for optimal ESP32-S3 performance.
Provides guidance on series resistor placement for U0TXD to suppress harmonics on ESP32-S3.
Recommends adding a filter capacitor for ADC function, specifically for ESP32-S3 ADC1.
Explains the function and configuration of ESP32-S3 strapping pins for boot mode and JTAG selection.
Details ESP32-S3 USB peripheral usage, trace routing, and component placement for D+/D- lines.
Covers ESP32-S3 touch sensor capabilities, design considerations, electrode patterns, and waterproof features.
Outlines recommendations for four-layer and two-layer PCB designs, including layer usage for ESP32-S3.
Advises on module placement for optimal antenna performance, considering base board edge and feed point for ESP32-S3.
Details PCB layout for power traces, including trace width, vias, decoupling capacitors, and ground connections for ESP32-S3.
Provides layout reference design and notes for the crystal oscillator to avoid interference and ensure stability for ESP32-S3.
Guides RF trace routing, impedance matching, LC filter placement, and routing rules for optimal signal integrity on ESP32-S3.
Recommends placing zero-ohm resistors on SPI lines and routing SPI traces on inner layers for better performance on ESP32-S3.
Specifies placement for the UART series resistor and routing of UOTXD/UORXD traces on ESP32-S3.
Advises on placing RC circuits on USB traces and using differential pairs for better signal integrity on ESP32-S3.
Covers capacitive IOs, touch pad design, and typical applications for touch sensing on ESP32-S3.
Discusses proper electrode size and shape for improved sensitivity and to prevent interference in ESP32-S3 touch sensors.
Illustrates general guidelines for routing sensor traces, including width, gap, and grounding for ESP32-S3.
Explains layout considerations for waterproof and proximity sensing touch sensor designs on ESP32-S3.
Addresses common RF and crystal oscillator layout issues and provides solutions for performance improvement on ESP32-S3.
Directs users to Espressif website for ESP32-S3 module lists and reference designs.
Guides users to Espressif website for the latest ESP32-S3 development board designs.
