Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The EFM8BB21F16A-C-QFN20R devices integrate advanced analogue and enhanced high-speed communication peripherals in a small package, providing great value and making them ideal for space-constrained applications.The EFM8BB2 family also features a high-efficiency 8051 core, enhanced pulse-width modulation, and precision analogue functions, making them ideal for embedded applications.

Product Specifications

Core Processor: CIP-51 8051  

Core specification: 8-bit  

Speed: 50MHz  

Connectivity: I²C, SMBus, SPI, UART/USART  

Peripherals: Undervoltage Detect/Reset, POR, PWM, WDT  

Number of I/O: 16  

Program memory capacity: 16KB (16K x 8)  

Programme Memory Type: Flash  

EEPROM Size: -  

RAM Size: 2.25K x 8  

Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V  

Data Converter: A/D 15x12b  

Oscillator Type: Internal  

Operating Temperature: -40°C ~ 125°C (TA)  

Mounting Type: Surface Mount  

Package/Shell: 20-WFQFN Exposed Pad  

Supplier Device Package: 20-QFN (3x3)

Applications for the EFM8BB2 series include:

Motor Control

Consumer Electronics

Sensor Controllers

Medical devices

Lighting systems

High Speed Communication Hubs

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.