4MB Flash WiFi Bluetooth Module ESP8684-MINI-1U-H4
Characteristics
CPU and on-chip memory
• Built-in ESP8684H2 or ESP8684H4 chip, RISC-V
32-bit single-core microprocessor with a maximum main frequency of 120MHz
• 576 KBROM
272 KBSRAM (of which 16KB is dedicated to cache)
• SiP flash (There are differences among different models. For details, please refer to the ordering information in Table 1)
flash controller with cache mechanism introduced
Support flash in circuit programming (ICP)
Wi-Fi
• Supports IEEE 802.11b /g/n protocol
• Working channel center frequency range: 2412-2484MHz
Supports a 20MHz bandwidth in the 2.4GHz band
Supports 1T1R mode, with a data rate as high as 72.2Mbps
Wireless Multimedia (WMM)
• Frame aggregation (TX/RXA-MPDU, TX/RX A-MSDU)
Immediate Block ACK
Fragmentation and defragmentation
• Transmit opportunity (TXOP)
• Beacon Automatic Monitoring (Hardware TSF)
• 3× Virtual Wi-Fi interface
Support Infrastructure Network (BSS) simultaneously
Station mode, SoftAP mode, Station + SoftAP mode
The style and the hybrid mode
Espressif Information Technology
Please note that when the ESP8684 series scans in Station mode,
The SoftAP channel will change simultaneously
Bluetooth ®
• Low Energy Bluetooth LE: Bluetooth 5
• High power mode (20dBm)
The supported rates are 125kbps, 500kbps, 1Mbps and 2Mbps
• Advertising Extensions
Multiple Advertisement Sets
• ChannelSelection Algorithm #2
Wi-Fi and Bluetooth coexist and share the same antenna
Peripheral device
• GPIO, SPI, UART, I2C, LED PWM controller, through
Use DMA controller, temperature sensor, SAR analog-to-digital converter
Module integrated components
• 26MHz integrated crystal oscillator
Antenna selection
• On-board PCB antenna (ESP8684-MINI-1)
Connect the external antenna (ESP8684-MINI-1U) via the connector
Working conditions
• Working voltage/Supply voltage: 3.0-3.6V
• Operating environment temperature: -40 to 105°C
Packaging and transportation instructions
- According to the standard export packaging.
Customers can choose from cartons, wooden cases and wooden pallets according to their own requirements.
Q&A
1. How to obtain the price?
We usually quote within 24 hours after receiving your inquiry (except weekends and holidays). If you are in urgent need of a price, please send us an email or contact us in any other way so that we can provide you with a quotation.
2. What is your delivery time?
This depends on the quantity of the order and the season in which you place the order. Usually, we can ship the goods within 7 to 15 days (for small batches), and for large batches, it takes about 30 days.
3. What are your payment terms?
Factory price, 30% deposit, 70%T/T payment before shipment.
4. What is the mode of transportation?
It can be transported by sea, air or express delivery (EMS, UPS, DHL, TNT, FEDEX, etc.). Please confirm with us before placing an order.
5. How do you help our business establish a long-term and good relationship?
We maintain good quality and competitive prices to ensure that our customers benefit.
2. We respect every customer as our friend. We do business with them sincerely and make friends with them, no matter where they come from.
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4MB Flash Radio Frequency Module WiFi Bluetooth ESP8684-MINI-1U-H4 Images
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