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Deep-Dive with AI
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Technical Specifications
Parameters and characteristics for this part
| Specification | EFM8BB31F32G-B-QFP32R |
|---|---|
| Connectivity | I2C, SPI, UART/USART, SMBus |
| Core Processor | CIP-51 8051 |
| Core Size | 8-Bit |
| Data Converters | D/A 2x12b, A/D 20x10/12b SAR |
| Mounting Type | Surface Mount |
| Number of I/O | 28 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Oscillator Type | Internal |
| Package / Case | 32-TQFP |
| Program Memory Size | 32 KB |
| Program Memory Type | FLASH |
| RAM Size | 2.25 K |
| Speed | 50 MHz |
| Supplier Device Package | 32-QFP (7x7) |
| Voltage - Supply (Vcc/Vdd) [Max] | 3.6 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 2.2 V |
...
| Part | Number of I/O | Program Memory Size | Operating Temperature [Max] | Operating Temperature [Min] | Oscillator Type | Supplier Device Package | Core Processor | Core Size | Package / Case | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Mounting Type | Program Memory Type | Speed | Data Converters | Connectivity | RAM Size | Package / Case [custom] | Data Converters [custom] | Data Converters [custom] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Silicon Labs | 20 | 64 KB | 85 °C | -40 °C | Internal | 24-QFN (3x3) | CIP-51 8051 | 8-Bit | 24-VFQFN Exposed Pad | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 12x10/12b SAR D/A 2x12b | I2C SMBus SPI UART/USART | 4.25 K | |||
 Silicon Labs | 21 I/O | 16 KB | 85 °C | -40 °C | Internal | 24-QSOP | CIP-51 8051 | 8-Bit | 24-SSOP | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 13x12b D/A 2x12b | I2C SMBus SPI UART/USART | 2.25 K | 0.154 " 3.9 mm | ||
Silicon Labs | 28 | 32 KB | 85 °C | -40 °C | Internal | 32-QFP (7x7) | CIP-51 8051 | 8-Bit | 32-TQFP | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 20x10/12b SAR D/A 2x12b | I2C SMBus SPI UART/USART | 2.25 K | |||
Silicon Labs | 28 | 32 KB | 85 °C | -40 °C | Internal | 32-QFP (7x7) | CIP-51 8051 | 8-Bit | 32-TQFP | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 20x10/12b SAR D/A 2x12b | I2C SMBus SPI UART/USART | 2.25 K | |||
 Silicon Labs | 29 | 16 KB | 125 °C | -40 °C | Internal | 32-QFN (5x5) | CIP-51 8051 | 8-Bit | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | I2C SMBus SPI UART/USART | 2.25 K | 2 channels 20 | 12 | |||
 Silicon Labs | 29 | 16 KB | 125 °C | -40 °C | Internal | 32-QFN (5x5) | CIP-51 8051 | 8-Bit | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | I2C SMBus SPI UART/USART | 2.25 K | 2 channels 20 | 12 | |||
 Silicon Labs | 29 | 64 KB | 125 °C | -40 °C | Internal | 32-QFN (5x5) | CIP-51 8051 | 8-Bit | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 20x10/12b SAR D/A 4x12b | I2C SMBus SPI UART/USART | 4.25 K | ||||
 Silicon Labs | 29 | 16 KB | 85 °C | -40 °C | Internal | 32-QFN (4x4) | CIP-51 8051 | 8-Bit | 32-UFQFN Exposed Pad | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 20x10/12b SAR D/A 2x12b | I2C SMBus SPI UART/USART | 2.25 K | |||
 Silicon Labs | 28 | 32 KB | 85 °C | -40 °C | Internal | 32-QFP (7x7) | CIP-51 8051 | 8-Bit | 32-TQFP | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | I2C SMBus SPI UART/USART | 2.25 K | 2 channels 20 | 12 | ||
Silicon Labs | 29 | 32 KB | 85 °C | -40 °C | Internal | 32-QFN (4x4) | CIP-51 8051 | 8-Bit | 32-UFQFN Exposed Pad | 2.2 V | 3.6 V | Surface Mount | FLASH | 50 MHz | A/D 20x10/12b SAR D/A 2x12b | I2C SMBus SPI UART/USART | 2.25 K |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 500 | $ 1.40 | |
Description
General part information
EFM8BB31 Series
CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 32-QFP (7x7)
Documents
Technical documentation and resources