Silicon Labs Microcontrollers EFM8BB31F32G-B-QFP32R

CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 32-QFP (7x7)

Manufacturer: Silicon Labs
Win Source Part Number: 870243-EFM8BB31F32G-B-QFP32R
Series: Busy Bee
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: CIP-51 8051 series Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 32-QFP (7x7)
Core Processor: CIP-51 8051
Speed: 50MHz
Package: Reel - TR
Package: 32-TQFP
Mounting: Surface Mount
Core Size: 8-Bit
Connectivity: I2C, SMBus, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 28
Program Memory Size: 32KB (32K x 8)
Program Memory Type: FLASH
Data Converters: A/D 20x10/12b SAR; D/A 2x12b
Oscillator Type: Internal
Supply Voltage: 2.2V ~ 3.6V
Part Status: Not For New Designs
Family Name: EFM8BB31
Categories: Integrated Circuits (ICs)
Case / Package: 32-QFP (7x7)
ECCN: 5A992C
Popularity: Medium
Fake Threat In the Open Market: 81 pct.
Supply and Demand Status: Limited
Quantity per package: 500
MSL Level: 2 (1 Year)
HTSUS: 8542.31.0001

Microcontroller, Product overview: EFM8BB31F32G-B-QFP32R from Silicon Labs is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, Embedded Microcontroller MCU, Microcontrollers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-EFM8BB31F32G-B-QFP32R can be used for catalog matching and distributor lookup.