EFM8BB31F32A-B-4QFN24
IC MCU 8BIT 32KB FLASH 24QFNManufacturer: Silicon Labs
Categories: Microcontrollers
Quality Control: Learn More
Silicon Labs EFM8BB31F32A-B-4QFN24 is an 8-bit microcontroller based on the CIP-51 8051 core. This Busy Bee series device operates at 50MHz and features 32KB of FLASH program memory and 2.25KB of RAM. On-chip peripherals include a 12-channel, 10/12-bit SAR Analog-to-Digital Converter (ADC) and dual 12-bit Digital-to-Analog Converters (DACs). Connectivity options include I2C, SMBus, SPI, and UART/USART interfaces. The device supports essential peripherals such as Brown-out Detect/Reset, Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). Its 24-QFN (4x4) package with an exposed pad is suitable for surface mount applications. Rated for automotive applications and operating over a temperature range of -40°C to 125°C, the EFM8BB31F32A-B-4QFN24 is commonly employed in automotive and industrial control systems.
Additional Information
Series: Busy BeeRoHS Status: ROHS3 CompliantManufacturer Lead Time: 52 week(s)Product Status: Not For New DesignsPackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Speed | 50MHz |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 2.25K x 8 |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Oscillator Type | Internal |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| Core Processor | CIP-51 8051 |
| Data Converters | A/D 12x10/12b SAR; D/A 2x12b |
| Core Size | 8-Bit |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V |
| Connectivity | I2C, SMBus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Supplier Device Package | 24-QFN (4x4) |
| Grade | Automotive |
| Number of I/O | 20 |
| Programmable | Not Verified |
| Qualification | AEC-Q100 |
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