The EFM8BB21F16A-C-QFN20 is an 8-bit microcontroller from the EFM8 Busy Bee family, featuring a CIP-51 core that operates at a maximum frequency of 50 MHz. It includes 16 KB of flash memory and 2304 bytes of RAM, making it suitable for various embedded applications. The device supports multiple communication interfaces, including two UARTs, SPI, and I2C, allowing for flexible connectivity options. This microcontroller is designed for low power consumption, with multiple operational modes, including idle and shutdown. It features a 12-bit analog-to-digital converter (ADC), two low-current analog comparators, and a built-in temperature sensor, enhancing its utility in sensor control and monitoring applications. The device is packaged in a compact 20-pin QFN format, making it ideal for space-constrained designs. The EFM8BB21F16A-C-QFN20 is AEC-Q100 qualified, indicating its suitability for automotive applications, and operates within a temperature range of -40 to +125 ¬?C. Its robust feature set and automotive-grade certification make it a strong candidate for engineers looking for reliable microcontroller solutions in demanding environments.
Microcontroller, CMOS, Product overview: EFM8BB21F16A-C-QFN20
CIP-51 8051 Automotive, AEC-Q100, Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3)
Win Source Part Number: 1345315-EFM8BB21F16A
Category: Integrated Circuits (ICs) - Embedded - Microcontrollers
Series: Automotive, AEC-Q100, Busy Bee
Core Processor: CIP-51 8051
Speed: 50MHz
Package: Tube
Standard Package: 120
Core Size: 8-Bit
Connectivity: I2C, SMBus, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 16
Program Memory Size: 16KB (16K x 8)
Program Memory Type: FLASH
RAM Size: 2.25K x 8
Data Converters: A/D 15x12b
Oscillator Type: Internal
Mounting Type: Surface Mount
Package / Case: 20-WFQFN Exposed Pad
Supplier Device Package: 20-QFN (3x3)
Temperature Range - Operating: -40°C ~ 125°C (TA)
ECCN: 3A991A2
Fake Threat In the Open Market: 37 pct.
MSL Level: 2 (1 Year)
Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V
HTSUS: 8542.31.0001
Mfr: Silicon Labs
Base Product Number: EFM8BB21
IC MCU 8BIT 16KB FLASH 20QFN
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
IC MCU 8BIT 16KB FLASH 20QFN
CIP-51 8051 Automotive, AEC-Q100, Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 20-QFN (3x3)
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-EFM8BB21F16A-C-QFN20 | 336-5435-ND | 1345315-EFM8BB21F16A-C-QFN20 | EFM8BB21F16A-C-QFN20 | EFM8BB21F16A-C-QFN20 | EFM8BB21F16A-C-QFN20 | EFM8BB21F16A-C-QFN20 |
| Product Name | Embedded Microcontroller MCU | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | 8-bit Microcontrollers - MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Clock Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | ||
| Supply Voltage | 2.2 to ? volts | 2.2 to 3.6 volts | 2.2 to 3.6 volts | 3.6 volts | |||
| Data Bus | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit; 8-Bit | ||
| Bits | Other; A/D 15x12b | ||||||
| RAM | 2.25 KB | 16 KB | 2.25 KB | 2.25 KB |
