Transcription of Hardware Design Guidelines - Espressif
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Hardware Design Guidelines - Espressif
ESP32 Hardware Design GuidelinesVersion SystemsCopyright This DocumentThe Guidelines outline recommended Design practices when developing standalone or add-on systems based onthe ESP32 series of products, including ESP32 SoCs, ESP32 modules and ESP32 development UpdatesPlease always refer to the latest version HistoryFor the revision history of this document, please refer to thelast Change NotificationEspressif provides email notifications to keep customers updated on changes to technical documentation. Pleasesubscribe Note that you need to update your subscription to receive notifi-cations of new products you are not currently subscribed certificates for Espressif products Overview12 Schematic Power Digital Power Analog Power Power-on Sequence and System Power-on Flash (compulsory) and PSRAM (optional) Crystal External Clock Source (compulsory) RTC (optional) External Touch Sensor103 PCB Layout Standalone ESP32 General Principles of PCB Positioning an ESP32 Module on a Base Power Crystal Flash & External Touch ESP32 as a Slave Typical Layout Problems and Q: The current ripple is not
2.8 UART 9 2.9 SDIO 10 2.10 Touch Sensor 10 3 PCB Layout Design 11 3.1 Standalone ESP32 Module 11 3.1.1 General Principles of PCB Layout 11 3.1.2 Positioning an ESP32 Module on a Base Board 12 3.1.3 Power Supply 13 3.1.4 Crystal Oscillator 15 3.1.5 RF 16 3.1.6 Flash & PSRAM 17 3.1.7 External RC 17 3.1.8 UART 17 3.1.9 Touch Sensor 18 3.2 ESP32 ...
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