Silicon Labs, 8bit CIP-51, EFM8BB3 Microcontroller, 50MHz, 16 kB Flash, 24-Pin QFN
- RS Stock No.:
- 144-9631P
- Mfr. Part No.:
- EFM8BB31F16I-B-4QFN24
- Brand:
- Silicon Labs
Currently unavailable
We don't know if this item will be back in stock, RS intend to remove it from our range soon.
- RS Stock No.:
- 144-9631P
- Mfr. Part No.:
- EFM8BB31F16I-B-4QFN24
- Brand:
- Silicon Labs
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Silicon Labs | |
| Family Name | EFM8BB3 | |
| Package Type | QFN | |
| Mounting Type | Surface Mount | |
| Pin Count | 24 | |
| Device Core | CIP-51 | |
| Data Bus Width | 8bit | |
| Program Memory Size | 16 kB | |
| Maximum Frequency | 50MHz | |
| RAM Size | 2.304 kB | |
| USB Channels | 0 | |
| Number of PWM Units | 1 | |
| Number of SPI Channels | 1 | |
| Number of CAN Channels | 0 | |
| Number of I2C Channels | 1 | |
| Number of USART Channels | 0 | |
| Typical Operating Supply Voltage | 2.2 → 3.6 V | |
| Number of UART Channels | 2 | |
| ADCs | 12 x 12 bit | |
| Maximum Number of Ethernet Channels | 0 | |
| Number of PCI Channels | 0 | |
| Number of ADC Units | 1 | |
| Automotive Standard | AEC-Q100 | |
| Dimensions | 4 x 4 x 0.75mm | |
| Maximum Operating Temperature | +125 °C | |
| Number of Ethernet Channels | 0 | |
| Program Memory Type | Flash | |
| Pulse Width Modulation | 1 (6 Channel) | |
| Number of LIN Channels | 0 | |
| Minimum Operating Temperature | -40 °C | |
| Height | 0.75mm | |
| Width | 4mm | |
| Instruction Set Architecture | 8051 | |
| Length | 4mm | |
Select all | ||
|---|---|---|
Brand Silicon Labs | ||
Family Name EFM8BB3 | ||
Package Type QFN | ||
Mounting Type Surface Mount | ||
Pin Count 24 | ||
Device Core CIP-51 | ||
Data Bus Width 8bit | ||
Program Memory Size 16 kB | ||
Maximum Frequency 50MHz | ||
RAM Size 2.304 kB | ||
USB Channels 0 | ||
Number of PWM Units 1 | ||
Number of SPI Channels 1 | ||
Number of CAN Channels 0 | ||
Number of I2C Channels 1 | ||
Number of USART Channels 0 | ||
Typical Operating Supply Voltage 2.2 → 3.6 V | ||
Number of UART Channels 2 | ||
ADCs 12 x 12 bit | ||
Maximum Number of Ethernet Channels 0 | ||
Number of PCI Channels 0 | ||
Number of ADC Units 1 | ||
Automotive Standard AEC-Q100 | ||
Dimensions 4 x 4 x 0.75mm | ||
Maximum Operating Temperature +125 °C | ||
Number of Ethernet Channels 0 | ||
Program Memory Type Flash | ||
Pulse Width Modulation 1 (6 Channel) | ||
Number of LIN Channels 0 | ||
Minimum Operating Temperature -40 °C | ||
Height 0.75mm | ||
Width 4mm | ||
Instruction Set Architecture 8051 | ||
Length 4mm | ||
The EFM8BB31F16I-4QFN24 is part of the Busy Bee family of 8051 based 8-bit MCUs. Built on top of a low power platform this device operates at 50 MHz. The EFM8BB31F16I-4QFN24 includes 16 kB Flash, 2.25 kB RAM, 20 Dig I/O Pins, 6 x 16-bit Timers, 0 PCA Channels, -40 to 125 ºC temperature range, Industrial grade, 4x4 QFN24 package, and additional communication peripherals.
Pipelined 8-bit 8051 MCU Core with
50 MHz operating frequency
Up to 29 multifunction I/O pins
One 12-bit/10-bit ADC
Four 12-bit DACs with synchronization
and PWM capabilities
Two low-current analog comparators with
built-in reference DACs
Internal temperature sensor
Internal 49 MHz and 24.5 MHz oscillators
accurate to ±2%
Four channels of Configurable Logic
6-channel PWM / PCA
Six 16-bit general-purpose timersCore:
Pipelined CIP-51 Core
Fully compatible with standard 8051 instruction set
70% of instructions execute in 1-2 clock cycles
50 MHz maximum operating frequency
Memory:
Up to 64 kB flash memory (63 kB user-accessible), in-sys-
tem re-programmable from firmware in 512-byte sectors
Up to 4352 bytes RAM (including 256 bytes standard 8051
RAM and 4096 bytes on-chip XRAM)
Power:
Internal LDO regulator for CPU core voltage
Power-on reset circuit and brownout detectors
I/O: Up to 29 total multifunction I/O pins:
Up to 25 pins 5 V tolerant under bias
Selectable state retention through reset events
Flexible peripheral crossbar for peripheral routing
5 mA source, 12.5 mA sink allows direct drive of LEDs
Clock Sources:
Internal 49 MHz oscillator with accuracy of ±2%
Internal 24.5 MHz oscillator with ±2% accuracy
Internal 80 kHz low-frequency oscillatorAnalog:
12/10-Bit Analog-to-Digital Converter (ADC)
Internal temperature sensor
4 x 12-Bit Digital-to-Analog Converters (DAC)
2 x Low-current analog comparators with adjustable refer-
ence
Communications and Digital Peripherals:
2 x UART, up to 3 Mbaud
SPI™ Master / Slave, up to 12 Mbps
SMBus™/I2C™ Master / Slave, up to 400 kbps
I
2C High-Speed Slave, up to 3.4 Mbps
16-bit CRC unit, supporting automatic CRC of flash at 256-
byte boundaries
4 Configurable Logic Units
Timers/Counters and PWM:
6-channel programmable counter array (PCA) supporting
PWM, capture/compare, and frequency output modes
6 x 16-bit general-purpose timers
Independent watchdog timer, clocked from the low frequen-
cy oscillator
On-Chip, Non-Intrusive Debugging
50 MHz operating frequency
Up to 29 multifunction I/O pins
One 12-bit/10-bit ADC
Four 12-bit DACs with synchronization
and PWM capabilities
Two low-current analog comparators with
built-in reference DACs
Internal temperature sensor
Internal 49 MHz and 24.5 MHz oscillators
accurate to ±2%
Four channels of Configurable Logic
6-channel PWM / PCA
Six 16-bit general-purpose timersCore:
Pipelined CIP-51 Core
Fully compatible with standard 8051 instruction set
70% of instructions execute in 1-2 clock cycles
50 MHz maximum operating frequency
Memory:
Up to 64 kB flash memory (63 kB user-accessible), in-sys-
tem re-programmable from firmware in 512-byte sectors
Up to 4352 bytes RAM (including 256 bytes standard 8051
RAM and 4096 bytes on-chip XRAM)
Power:
Internal LDO regulator for CPU core voltage
Power-on reset circuit and brownout detectors
I/O: Up to 29 total multifunction I/O pins:
Up to 25 pins 5 V tolerant under bias
Selectable state retention through reset events
Flexible peripheral crossbar for peripheral routing
5 mA source, 12.5 mA sink allows direct drive of LEDs
Clock Sources:
Internal 49 MHz oscillator with accuracy of ±2%
Internal 24.5 MHz oscillator with ±2% accuracy
Internal 80 kHz low-frequency oscillatorAnalog:
12/10-Bit Analog-to-Digital Converter (ADC)
Internal temperature sensor
4 x 12-Bit Digital-to-Analog Converters (DAC)
2 x Low-current analog comparators with adjustable refer-
ence
Communications and Digital Peripherals:
2 x UART, up to 3 Mbaud
SPI™ Master / Slave, up to 12 Mbps
SMBus™/I2C™ Master / Slave, up to 400 kbps
I
2C High-Speed Slave, up to 3.4 Mbps
16-bit CRC unit, supporting automatic CRC of flash at 256-
byte boundaries
4 Configurable Logic Units
Timers/Counters and PWM:
6-channel programmable counter array (PCA) supporting
PWM, capture/compare, and frequency output modes
6 x 16-bit general-purpose timers
Independent watchdog timer, clocked from the low frequen-
cy oscillator
On-Chip, Non-Intrusive Debugging