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Product Descriptions
The ESP32-WRO0M-32 WiFi module core processor ESP32-WRO0M-32 provides a complete set of 802.11 b/g/n/e/i wireless local area network (WLAN) and Bluetooth 4.2 solutions with small physical size. This chip is designed specifically for low-power and mobile consumer electronics devices, wearable and IoT devices, and integrates all the functions of WLAN and Bluetooth on the chip, with the characteristic of low-cost layout. ESP32-WRO0M-32 also provides an open platform that allows users to flexibly customize features for different application scenarios.
ESP32-WRO0M-32 Function Block Diagram
ESP32-WRO0M-32 is a WiFi and Bluetooth system on chip (SoC) with industry-leading RF performance, low power consumption, and high integration advantages. The ESP32-WR00M-32 integrates complete RF transmission/reception functions, including antenna switches, RF baluns, power amplifiers, low-noise amplifiers, filters, power management modules, and advanced self calibration circuits. The self calibration circuit achieves dynamic automatic adjustment to eliminate defects in external circuits. ESP32-WR00M-32 is equipped with 2 32-bit, LX6 CPUs, with a clock speed of up to 240MHz, and adopts a 7-stage pipeline architecture. ESP32-WR00M-32 also integrates rich analog sensing and digital interfaces.
The ultra-low power RF architecture and patented power-saving technology of ESP32-WRO0M-32 extend the battery life of practical applications.
ESP32-WRO0M-32 fully complies with WiFi 802.11b/g/n/e/i and Bluetooth 4.2 standards, integrates WiFi/Bluetooth/BLE RF and low-power technology, and supports an open real-time operating system RTOS. The adjustment cache integrated in ESP32-WRO0M-32 helps improve system performance and optimize system storage. The flexible RAM/ROM partitioning architecture allows users to customize to meet special requirements and usage scenarios.
ESP32-WRO0M-32 can be used as a standalone application or as a slave device for the host MCU. As a slave device, ESP32-WRO0M-32 provides WiFi and Bluetooth functionality through SPI/SD10 or I2C/UART interfaces.
2. Product Features
2.1 WiFi.1WiFi
· 802.11 b/g/n/e/i
· 802.11 n (2.4 GHz), with speeds up to 150 Mbps
· 802.11e: Implementing Wireless Multimedia Technology with QoS Mechanism
. WMM-PS, UAPSD
· A-MPDU and A-MSDU frame aggregation technology
· Block reply
· Sharding and restructuring
· Beacon automatic monitoring/scanning
· 802.11i security features: pre authentication and TSN
· Support WPA/WPA2/WPA2 Enterprise/WPS encryption
· Infrastructure BSS Station Mode/SoftAP Mode
· Wi Fi Direct (P2P), P2P discovery, P2P PG style, and P2P power management
· UMA compatibility and certification
· Antenna Diversity and Selection
2.2 Bluetooth
? Bluetooth v4.2 complete standard, including traditional Bluetooth (BR/ADR) and low-power Bluetooth (BLE)
? Supports standard Class-1, Class-2, and Class-3 without the need for an external power amplifier
? Enhanced power control
? Output power up to 10dBm
?The NZIF receiver has a BLE receiving sensitivity of -98dBm
? Adaptive Frequency Hopping (AFH)
?Standard HCI based on SDI0/SPI/UART interface
?High speed UARHCI with a speed of up to 4Mbps
? Supports BT4.2 controller and host protocol stack
?Service Discovery Protocol (SDP)
? General Access Application (GAP)
? Security Management Protocol (SMP)
? Low power Bluetooth
?ATT /GATT
?HID
? Supports all low-power Bluetooth applications based on GATT
?SPP Like Low Power Bluetooth Data Transmitting Protocol
?BLEBeacon
?A2DP/AVRCP/SPP,HSP/HFP.RFCOMM
?CVSD and SBC audio encoding and decoding algorithms
? Bluetooth Piconet and Scatternet
2.3 CPU and Storage
?Xtensa ? 32-bit LX6 dual core processor with a computing power of up to 600 DMIPS
?448 KByte ROM
?520 KByte SRAM
? 16 KByte SRAM in RTC
? QSPI can connect up to 4 FIash/SRAMs, each with a FlashMax of 16MBytes
? Power supply voltage: 2.2V to 3.6V
? 2.4 Clock and Timer
? Built in 8 MHz oscillator, supports self calibration
? Built in RC oscillator, supports self calibration
? Supports external crystal oscillators ranging from 2 MHz to 40 MHz
? Supports external 32 kHz crystal oscillator for RTC, supports self calibration
? 2 timer groups, 4 each including 2 64 bit universal timers and 1 main system watchdog
? RTC timer with sub second precision
? RTC watchdog
2.5 Peripheral Interface
? 12 bit SAR ADC with up to 18 channels
? 2 8-bit D/A converters
? 10 touch sensors
? Temperature sensor
? 4 SPI
? 2 12S
? 2 pieces of 12C
? 3 UART
? 1 Host SD/eMMC/SDI0
? 1 Slave SDl0/SPI
? Ethernet MAC interface with dedicated DMA, supporting IEEE1588
?CAN 2.0
?IR(TX/RX)
? Motor PWM
? LEDPWM, up to 16 channels
? Hall sensor
? Ultra low power pre analog amplifier
2.6 Security mechanism
? Supports all security features of IEEE 802.11, including WFA, WPA/WPA2, and WAPI
? Safe startup
? Flash encryption
? 1024 bit 0TP, up to 768 bits available for users
? Encryption hardware accelerator:
- AES
- HASH (SHA-2) Library
- RSA
- ECC
- Random Number Generator (RNG)
2.7 Application
?Universal Low Power IoT Sensor Hub
?Universal low-power IoT recorder
?Video streaming transmission of cameras
?0TT TV box/set-top box equipment
?Music player
-Network music player
-Audio streaming devices
?Wi Fi toys
-Counter
-Toy anti loss device
?Wi Fi voice recognition device
?Earphones
?Smart socket
?Home automation
?Mesh network
?Industrial wireless control
?Baby monitor
?Wearable electronic products
?Wi Fi location sensing device
?Security ID label
?Health and Medical Care
-Sports monitoring and anti loss alarm
-Temperature recorder
3. Main parameters of ESP32-WRO0M-32 module
3.1 Parameter Table
