
For Reference Only
Part Number | EFM8BB31F32I-B-QFP32 |
OEMstron Part # | EFM8BB31F32I-B-QFP32 |
Manufacturer | Silicon Labs |
Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
Description | IC MCU 8BIT 32KB FLASH 32QFP |
Lifecycle | Not For New Designs |
RoHS | No RoHS Information |
EDA/CAD Models | EFM8BB31F32I-B-QFP32 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 24 - Mar 29 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
EFM8BB31F32I-B-QFP32 Specifications
Part Number | EFM8BB31F32I-B-QFP32 | |
Brand | Silicon Labs | |
Lifecycle | Not For New Designs | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Embedded Processors & Controllers | |
Subcategory | Microcontrollers | |
Manufacturer | Silicon Labs | |
Series | Busy Bee | |
Core Processor | CIP-51 8051 | |
Core Size | 8-Bit | |
Speed | 50MHz | |
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 | |
EEPROM Size | - | |
RAM Size | 2.25K x 8 | |
Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V | |
Data Converters | A/D 20x10/12b SAR; D/A 2x12b | |
Oscillator Type | Internal | |
Operating Temperature | -40°C ~ 125°C (TA) | |
Mounting Type | Surface Mount | |
Package / Case | 32-TQFP | |
Supplier Device Package | 32-QFP (7x7) |
EFM8BB31F32I-B-QFP32 Documents















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Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32 D# V79:2366_22818180 Silicon Laboratories Inc |
8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU RoHS: Compliant
|
Americas - 50 |
Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32R D# EFM8BB31F32I-B-QFP32R-ND Silicon Laboratories Inc |
IC MCU 8BIT 32KB FLASH 32QFP |
Limited Supply - Call |
EFM8BB31F32I-B-QFP32 D# 336-3645-5-ND Silicon Laboratories Inc |
IC MCU 8BIT 32KB FLASH 32QFP |
252 In Stock |
Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32 D# 2614238 Silicon Laboratories Inc |
MCU, 8BIT, 8051, 50MHZ, QFP-32 RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
Part Number | Description | Stock |
EFM8BB31F32IBQFP32 Silicon Laboratories Inc |
OEM/CM QUOTES ONLY | NO BROKERS |
290 |
Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32 D# 634-8BB31F32I-BQFP32 Silicon Laboratories Inc |
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU RoHS: Compliant
|
21 |
Part Number | Description | Stock |
EFM8BB31F32IBQFP32 Silicon Laboratories Inc |
OEM/CM ONLY |
347 |
Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32R Silicon Laboratories Inc |
32kB flash, 2.25 kB RAM, 12b ADC, 2x DACs |
Short Lead Time |
EFM8BB31F32I-B-QFP32 Silicon Laboratories Inc |
32kB flash, 2.25 kB RAM, 12b ADC, 2x DACs |
Short Lead Time |
Part Number | Description | Stock |
EFM8BB31F32I-B-QFP32 D# 36682535 Silicon Laboratories Inc |
8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU RoHS: Compliant
|
Americas - 50 |
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