DualMCU
ESP32
SKU: UE0002
Features
Raspberry Pi RP2040 Microcontroller
● 133MHz 32bit Dual Core Arm®
Cortex®-M0+
● 264kB on-chip SRAM
● Direct Memory Access (DMA)
controller
● Support for up to 16MB of off-chip
Flash memory via dedicated QSPI
bus
● Programmable IO (PIO) for extended
peripheral support
● 30 GPIO pins, 4 of which can be used
as analog inputs
● 4 channel ADC with internal
temperature sensor, 0.5 MSa/s, 12-bit
conversion
● 16 PWM channels
● SWD Debugging
● 2 UARTs
● 2 SPI controllers
● 2 I2C controllers
● 8 PIO state machines
● USB 1.1 controller and PHY, with host
and device support
● 2 on-chip PLLs to generate USB and
core clock
● 40nm process node
● Multiple low power mode support
● Internal Voltage Regulator to supply
the core voltage
● Advanced High-performance Bus
(AHB)/Advanced Peripheral Bus
(APB)
Memory
● W25Q16JVUXIQ 2MB NOR Flash
● 532MHz Quad SPI
● 66MB/S continuous data transfer rate
● 100K program/erase cycles
● More than 20-year data retention
Espressif ESP32 WROOM 32
Wi-Fi/Bluetooth® Module
● 240MHz 32bit Dual Core Xtensa LX6
● 520kB on-chip SRAM
● 448 Kbyte ROM for booting and core
functions
● 8 MB Integrated SPI flash
● 1 kbit EFUSE (non- erasable memory)
for MAC addresses, module
configuration, Flash-Encryption, and
Chip-ID
● IEEE 802.11b/g/n (802.11n up to 150
Mbps) single-band 2.4 GHz Wi-Fi
operation, center frequency range of
operating channel (2412 ~ 2484 MHz)
● Bluetooth® 4.2 BR/EDR and
Bluetooth LE specification, NZIF
receiver with –97 dBm sensitivity,
Class-1, class-2 and class-3
transmitter, AFH
● +12 dBm transmitting power, the
internal PCB antenna in the module
eliminates the need for an external
antenna
● ADC, I2C, SDIO, QSPI, UART, I2S,
Two-Wire Automotive Interface
(TWAI®), compatible with ISO11898-1
(CAN Specification 2.0)
● On-chip Hall Sensor
WS2812B LED
● RGB NeoPixel for full color indication
● Connected to RP2040 GPIO
RGB LED
● Common Anode
● Connected to ESP32 GPIO
Builtin LED
● LED for general purpose blinking,
connected to RP2040 GPIO25
3
Unit Electronics ® DualMCU ESP32
Modified: 26/06/2023
