ESP-32S Wifi Bluetooth combo module is ultra high performance and ultra low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESPRESSIF ESP32 chipset. ESP-32S integrates dual-core processor, 448 KByte ROM,520 KByte SRAM,16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-Fi, Bluetooth v4.2 BR/EDR & BLE, clocks & Times, abundant peripheral Interfaces and sercurity mechanism.
ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast on-line programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video steaming for camera, Wi-Fi & Bluetooth enabled devices, Home automation and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.
ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra low power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features and reliability, for a wide variety of applications, and different power profiles.
ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies minimal Printed Circuit Board (PCB) area.
ESP32 is designed for mobile, wearable electronics, and Internet of Things (IoT) applications. It has many features of the state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.
CPU and Memory: Xtensa® 32-bit LX6 Dua-core processor, up to 600 DMIPS.
448 KByte ROM
520 KByte SRAM
16 KByte SRAM in RTC.
QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes.
Supply Voltage: 2.2V~3.6V
802.11 n (2.4 GHz), up to 150 Mbps
802.11 e: QoS for wireless multimedia technology.
MPDU and A-MSDU aggregation
Fragmentation and defragmentation
Automatic Beacon monitoring/scanning
802.11 i security features: pre-authentication and TSN
Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS)
Infrastructure BSS Station mode/SoftAP mode
Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management
UMA compliant and certified
Antenna diversity and selection
Compliant with Bluetooth v4.2 BR/EDR and BLE specification
Class-1, class-2 and class-3 transmitter without external power amplifier
Enhanced power control
+10 dBm transmitting power
NZIF receiver with -98 dBm sensitivity
Adaptive Frequency Hopping (AFH)
Standard HCI based on SDIO/SPI/UART ? High speed UART HCI, up to 4 Mbps
BT 4.2 controller and host stack
Service Discover Protocol (SDP)
General Access Profile (GAP)
Security Manage Protocol (SMP)
Bluetooth Low Energy (BLE)
All GATT-based profile supported
SPP-Like GATT-based profile
A2DP/AVRCP/SPP, HSP/HFP, RFCOMM
CVSD and SBC for audio codec
Bluetooth Piconet and Scatternet
Clock & Timer:
Internal 8 MHz oscillator with calibration
Internal RC oscillator with calibration
External 2 MHz to 40 MHz crystal oscillator
External 32 kHz crystal oscillator for RTC with calibration
Two timer groups, including 2 x 64-bit timers and 1 x main watchdog in each group
12-bit SAR ADC up to 18 channels
2 × 8-bit D/A converters
10 × touch sensors
4 × SPI, 2 × I2S, 2 × I2C, 3 × UART
1 host (SD/eMMC/SDIO), 1 slave (SDIO/SPI)
Ethernet MAC interface with dedicated DMA and IEEE 1588 suppor
Motor PWM, LED PWM up to 16 channels
Ultra low power analog pre-amplifier
IEEE 802.11 standard security features all supported, including WFA, WPA/WPA2 and WAPI
1024-bit OTP, up to 768-bit for customers
Cryptographic hardware acceleration: -AES-HASH(SHA-2) library-RSA-ECC-Random Number Generator (RNG)