ESP32-S

Part: ESP32-S3-MINI-1 / ESP32-S3-MINI-1U — Espressif Type: Wi-Fi + Bluetooth LE MCU Module Description: Powerful, generic Wi-Fi (802.11 b/g/n) and Bluetooth LE (Bluetooth 5) MCU modules built around an Xtensa dual-core 32-bit LX7 microprocessor operating up to 240 MHz, featuring up to 8 MB Flash, optional 2 MB PSRAM, and a rich set of peripherals for IoT applications.

Operating Conditions:

• Supply voltage: 3.0–3.6 V
• Operating ambient temperature: -40 to 85 °C (85 °C version), -40 to 105 °C (105 °C version)
• CPU clock frequency: up to 240 MHz

Absolute Maximum Ratings:

• Max supply voltage: 3.6 V
• Max storage temperature: 105 °C

Key Specs:

• CPU: Xtensa dual-core 32-bit LX7 microprocessor
• ROM: 384 KB
• SRAM: 512 KB
• SRAM in RTC: 16 KB
• Flash: up to 8 MB Quad SPI
• PSRAM: 2 MB (optional, ESP32-S3FH4R2 only)
• Wi-Fi standard: 802.11 b/g/n
• Bluetooth LE speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
• High-level input current (I_IH): 50 nA (max)

Features:

• 2.4 GHz Wi-Fi (802.11 b/g/n)
• Bluetooth 5 (LE) and Bluetooth mesh
• Up to 39 GPIOs
• Rich set of peripherals: SPI, LCD, Camera interface, UART, I2C, I2S, remote control, pulse counter, LED PWM, USB 1.1 OTG, USB Serial/JTAG controller, MCPWM, SDIO host, GDMA, TWAI® controller (CAN Specification 2.0 compatible), ADC, touch sensor, temperature sensor, timers and watchdogs
• Internal co-existence mechanism for Wi-Fi and Bluetooth
• On-board PCB antenna (ESP32-S3-MINI-1) or external antenna connector (ESP32-S3-MINI-1U)
• 40 MHz crystal oscillator integrated

Applications:

• Generic Low-power IoT Sensor Hub
• Generic Low-power IoT Data Loggers
• Cameras for Video Streaming
• Over-the-top (OTT) Devices
• USB Devices
• Speech Recognition
• Image Recognition
• Mesh Network
• Home Automation
• Smart Building
• Industrial Automation
• Smart Agriculture
• Audio Applications
• Health Care Applications
• Wi-Fi-enabled Toys
• Wearable Electronics
• Retail & Catering Applications

Package:

• 15.4 × 20.5 × 2.4 mm (ESP32-S3-MINI-1 variants)
• 15.4 × 15.4 × 2.4 mm (ESP32-S3-MINI-1U variants)

• Generic Low-power IoT Sensor Hub

• Generic Low-power IoT Data Loggers

• Cameras for Video Streaming

• Over-the-top (OTT) Devices

• USB Devices

• Speech Recognition

• Image Recognition

• Mesh Network

• Home Automation

• Smart Building

• Industrial Automation

• Smart Agriculture

• Audio Applications

• Health Care Applications

• Wi-Fi-enabled Toys

• Wearable Electronics

• Retail & Catering Applications

The module has 65 pins. See pin definitions in Table 2.

For explanations of pin names and function names, as well as configurations of peripheral pins, please refer to ESP32-S3 Series Datasheet .

Table 2: Pin Definitions

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Table 2: Pin Definitions

Table 2 - cont'd from previous page

Table 9: DC Characteristics (3.3 V, 25 °C)

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Table 9 - cont'd from previous page

Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Table 7: Absolute Maximum Ratings

Table 8: Recommended Operating Conditions

Figure 10: ESP32­S3­MINI­1 Recommended PCB Land Pattern

Figure 10: ESP32­S3­MINI­1 Recommended PCB Land Pattern

Figure 11: ESP32­S3­MINI­1U Recommended PCB Land Pattern