Integrated Circuits (ICs)

EFM8UB20F32G-B-QFP32R

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8-BIT MICROCONTROLLERS - MCU 8051 48 MHZ 32 KB FLASH 2 KB RAM 8-BIT UNIVERSAL BEE MCU

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Integrated Circuits (ICs)

EFM8UB20F32G-B-QFP32R

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SILICON LABS

8-BIT MICROCONTROLLERS - MCU 8051 48 MHZ 32 KB FLASH 2 KB RAM 8-BIT UNIVERSAL BEE MCU

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8UB20F32G-B-QFP32R

Connectivity	I2C, SMBus, USB, UART/USART, SPI
Core Processor	CIP-51 8051
Core Size	8-Bit
Data Converters	A/D 20x10b
Mounting Type	Surface Mount
Number of I/O	25
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Oscillator Type	Internal
Package / Case	32-LQFP
Program Memory Size	32 KB
Program Memory Type	FLASH
RAM Size	2.25 K
Speed	48 MHz
Supplier Device Package	32-QFP (7x7)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	2.65 V

EFM8UB20 Series

Part	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Data Converters	Supplier Device Package	Core Processor	Oscillator Type	Program Memory Size	Speed	Core Size	RAM Size	Program Memory Type	Connectivity	Package / Case	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of I/O
SILICON LABS EFM8UB20F32G-B-QFN32R	3.6 V	2.65 V	A/D 20x10b	32-QFN (5x5)	CIP-51 8051	Internal	32 KB	48 MHz	8-Bit	2.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-VFQFN Exposed Pad	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F64G-B-QFN32R	3.6 V	2.65 V	A/D 20x10b	32-QFN (5x5)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-VFQFN Exposed Pad	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F32G-A-QFN32	3.6 V	2.65 V	A/D 20x10b	32-QFN (5x5)	CIP-51 8051	Internal	32 KB	48 MHz	8-Bit	2.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-VFQFN Exposed Pad	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F64G-B-QFP48	3.6 V	2.65 V	A/D 32x10b	48-TQFP (7x7)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	EBI/EMI I2C SMBus SPI UART/USART USB	48-TQFP	Surface Mount	85 C	-40 ¯C	40
SILICON LABS EFM8UB20F64G-A-QFN32R	3.6 V	2.65 V	A/D 20x10b	32-QFN (5x5)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-VFQFN Exposed Pad	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F32G-B-QFP32R	3.6 V	2.65 V	A/D 20x10b	32-QFP (7x7)	CIP-51 8051	Internal	32 KB	48 MHz	8-Bit	2.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-LQFP	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F64G-A-QFP32R	3.6 V	2.65 V	A/D 20x10b	32-QFP (7x7)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-LQFP	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F64G-A-QFN32	3.6 V	2.65 V	A/D 20x10b	32-QFN (5x5)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	I2C SMBus SPI UART/USART USB	32-VFQFN Exposed Pad	Surface Mount	85 C	-40 ¯C	25
SILICON LABS EFM8UB20F64G-A-QFP48R	3.6 V	2.65 V	A/D 32x10b	48-TQFP (7x7)	CIP-51 8051	Internal	64 KB	48 MHz	8-Bit	4.25 K	FLASH	EBI/EMI I2C SMBus SPI UART/USART USB	48-TQFP	Surface Mount	85 C	-40 ¯C	40

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.33
	Tape & Reel (TR)	500	$ 2.33
Mouser	N/A	500	$ 2.33
		1000	$ 2.12
		2500	$ 2.07
		5000	$ 2.03

Description

General part information

EFM8UB20 Series

CIP-51 8051 Universal Bee Microcontroller IC 8-Bit 48MHz 32KB (32K x 8) FLASH 32-QFP (7x7)

Documents

Technical documentation and resources