ESP8684-WROOM-02UC is a generic Wi-Fi and Bluetooth LE modules. The rich set of peripherals and high performance make the modules an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc.
ESP8684-WROOM-02UC comes with a connector for an external antenna. ESP8684-WROOM-02UC is available in two variants that integrate the ESP8684H2 and ESP8684H4 chip respectively . The ESP8684H2 chip and the ESP8684H4 chip fall into the same category, namely ESP8684 chip series.ESP8684 series of chips have a 32-bit RISC-V single-core processor.It integrates a rich set of peripherals including UART, I2C, LED PWM controller, general DMA controller, temperature sensor, and SAR ADC.
Features
CPU and On-Chip Memory
- ESP8684H2 or ESP8684H4 embedded, 32-bit RISC-V single-core processor, up to 120 MHz
- 576 KB ROM
- 272 KB SRAM (16 KB for cache)
- In-Package flash (see details in Table 1 and Table 2)
- Access to flash accelerated by cache
- Supports flash In-Circuit Programming (ICP)
Wi-Fi
- 802.11 b/g/n
- Center frequency range of operating channel: 2412 ~ 2484 MHz
- Supports 20 MHz bandwidth in 2.4 GHz band
- 1T1R mode with data rate up to 72.2 Mbps
- Wi-Fi Multimedia (WMM)
- TX/RX A-MPDU, TX/RX A-MSDU
- Immediate Block ACK
- Fragmentation and defragmentation
- Transmit opportunity (TXOP)
- Automatic Beacon monitoring (hardware TSF)
- 3 × virtual Wi-Fi interfaces
- Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode. Note that when ESP8684 series scans in Station mode, the SoftAP channel will change along with the Station channel
Bluetooth®
- Bluetooth LE: Bluetooth 5.3 certified
- High power mode (20 dBm)
- Speed: 125 kbps, 500 kbps, 1 Mbps, 2 Mbps
- Advertising extensions
- Multiple advertisement sets
- Channel selection algorithm #2
- Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
Peripherals
- GPIO, SPI, UART, I2C, LED PWM controller,general DMA controller, temperature sensor, SAR ADC, timers and watchdog
Integrated Components on Module
- 26 MHz crystal oscillator
Antenna Options
- On-board PCB antenna (ESP8684-WROOM-02C)
- External antenna via a connector (ESP8684-WROOM-02UC)
Operating Conditions
- Operating voltage/Power supply: 3.0 ~ 3.6 V
- Operating ambient temperature: –40 ~ 105 °C
Certification
- Green certification: RoHS/REACH Test
- HTOL/HTSL/uHAST/TCT/ESD/Latch-up