1
Module Overview
1 Module Overview
Note:
Check the link or the QR code to make sure that you use the latest version of this document:
https://espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf
1.1 Features
CPU and OnChip Memory
Peripherals
• SD card, UART, SPI, SDIO, I2C, LED PWM,
• ESP32-U4WDH embedded, Xtensa dual-core
32-bit LX6 microprocessor, up to 240 MHz
motor PWM, I2S, infrared remote controller,
pulse counter, GPIO, touch sensor, ADC, DAC,
Ethernet, TWAI® (compatible with ISO 11898-1,
i.e. CAN Specification 2.0)
• 448 KB ROM
• 520 KB SRAM
• 16 KB SRAM in RTC
• 4 MB SPI flash
Integrated Components on Module
• 40 MHz crystal oscillator
Antenna Options
WiFi
• ESP32-MINI-1: On-board PCB antenna
• 802.11b/g/n
• ESP32-MINI-1U: external antenna via a
connector
• Bit rate: 802.11n up to 150 Mbps
• A-MPDU and A-MSDU aggregation
• 0.4 µs guard interval support
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6 V
• Operating ambient temperature:
• Center frequency range of operating channel:
2412 ~ 2484 MHz
– 85 °C version module: –40 ~ 85 °C
– 105 °C version module: –40 ~ 105 °C
Bluetooth
Certification
• Bluetooth v4.2 BR/EDR and Bluetooth LE
specification
• RF certification: See Certificates
• Green certification: REACH/RoHS
• Class-1, class-2, and class-3 transmitter
• AFH
Test
• CVSD and SBC
• Reliability: HTOL/HTSL/uHAST/TCT/ESD
Espressif Systems
2
ESP32-MINI-1 & MINI-1U Datasheet v1.2
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