Datasheet

Contents
Contents
Product Overview 2
Solution Highlights 2
Features 3
Applications 4
1 ESP32S3 Series Comparison 11
1.1 ESP32-S3 Series Nomenclature 11
1.2 Comparison 11
2 Pin Definition 12
2.1 Pin Layout 12
2.2 Pin Description 13
2.3 Pin Name Description 16
2.4 Function Name Description 16
2.5 GPIO Functions 17
2.6 Pin-to-Pin Mapping Between Chip and SiP Flash/PSRAM 19
2.7 Power Scheme 20
2.8 Strapping Pins 21
3 Functional Description 25
3.1 CPU and Memory 25
3.1.1 CPU 25
3.1.2 Internal Memory 25
3.1.3 External Flash and RAM 25
3.1.4 Address Mapping Structure 26
3.1.5 Cache 26
3.1.6 eFuse Controller 27
3.1.7 Processor Instruction Extensions 27
3.2 RTC and Low-Power Management 27
3.2.1 Power Management Unit (PMU) 27
3.2.2 Ultra-Low-Power Coprocessor 28
3.3 Analog Peripherals 28
3.3.1 Analog-to-Digital Converter (ADC) 28
3.3.2 Temperature Sensor 28
3.3.3 Touch Sensor 29
3.4 System Components 29
3.4.1 Reset and Clock 29
3.4.2 Interrupt Matrix 29
3.4.3 Permission Control 30
3.4.4 System Registers 30
3.4.5 GDMA Controller 31
3.4.6 CPU Clock 31
3.4.7 RTC Clock 31
Espressif Systems 6
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ESP32-S3 Series Datasheet v1.2