Page 144 - Silicon Labs Products - Embedded - Microcontrollers

EFM8LB10F16E-A-QFN32
Silicon Labs

IC MCU 8BIT 16KB FLASH 32QFN

Package: 32-UFQFN Exposed Pad

Stock3,776
EFM8LB10F16E-A-QFN24
Silicon Labs

IC MCU 8BIT 16KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock5,824
EFM8LB11F32E-A-QSOP24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock5,536
EFM8LB11F32E-A-QFP32
Silicon Labs

IC MCU 8BIT 32KB FLASH 32QFP

Package: 32-TQFP

Stock3,600
EFM8LB11F32E-A-QFN24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock5,584
EFM8LB12F32E-A-QSOP24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock3,728
EFM8LB12F32E-A-QFN32
Silicon Labs

IC MCU 8BIT 32KB FLASH 32QFN

Package: 32-UFQFN Exposed Pad

Stock4,640
EFM8LB12F32E-A-QFN24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock3,952
EFM8LB12F64E-A-QSOP24
Silicon Labs

IC MCU 8BIT 64KB FLASH 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock5,168
EFM8LB12F64E-A-QFP32
Silicon Labs

IC MCU 8BIT 64KB FLASH 32QFP

Package: 32-TQFP

Stock6,880
EFM8LB12F64E-A-QFN32
Silicon Labs

IC MCU 8BIT 64KB FLASH 32QFN

Package: 32-UFQFN Exposed Pad

Stock2,784
EFM8LB12F64E-A-QFN24
Silicon Labs

IC MCU 8BIT 64KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock5,952
EFM8BB31F16G-A-QSOP24
Silicon Labs

IC MCU 8BIT 16KB FLASH 24QSOP

Package: 24-LSSOP (0.154", 3.90mm Width)

Stock3,968
EFM8BB31F16G-A-QFP32
Silicon Labs

IC MCU 8BIT 16KB FLASH 32QFP

Package: 32-TQFP

Stock4,800
EFM8BB31F16G-A-QFN32
Silicon Labs

IC MCU 8BIT 16KB FLASH 32QFN

Package: 32-UFQFN Exposed Pad

Stock6,848
EFM8BB31F16G-A-QFN24
Silicon Labs

IC MCU 8BIT 16KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock6,432
EFM8BB31F32G-A-QSOP24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock5,488
EFM8BB31F32G-A-QFP32
Silicon Labs

IC MCU 8BIT 32KB FLASH 32QFP

Package: 32-TQFP

Stock6,032
EFM8BB31F32G-A-QFN32
Silicon Labs

IC MCU 8BIT 32KB FLASH 32QFN

Package: 32-UQFN Exposed Pad

Stock7,168
EFM8BB31F32G-A-QFN24
Silicon Labs

IC MCU 8BIT 32KB FLASH 24QFN

Package: 24-VFQFN Exposed Pad

Stock2,368

Part Number	Manufacturer	Description	Package	Stock	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
EFM8LB10F16E-A-QFN32	Silicon Labs	IC MCU 8BIT 16KB FLASH 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock3,776	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2 V ~ 3.6 V	A/D 20x14b	Internal	-40°C ~ 105°C (TA)	-	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB10F16E-A-QFN24	Silicon Labs	IC MCU 8BIT 16KB FLASH 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock5,824	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2 V ~ 3.6 V	A/D 12x14b	Internal	-40°C ~ 105°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB11F32E-A-QSOP24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x14b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock5,536	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 13x14b, D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8LB11F32E-A-QFP32	Silicon Labs	IC MCU 8BIT 32KB FLASH 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz 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): 2.2 V ~ 3.6 V Data Converters: A/D 20x14b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock3,600	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x14b, D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	32-TQFP	32-QFP (7x7)
EFM8LB11F32E-A-QFN24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x14b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock5,584	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 12x14b, D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB12F32E-A-QSOP24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock3,728	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 13x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8LB12F32E-A-QFN32	Silicon Labs	IC MCU 8BIT 32KB FLASH 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock4,640	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB12F32E-A-QFN24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock3,952	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 12x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB12F64E-A-QSOP24	Silicon Labs	IC MCU 8BIT 64KB FLASH 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock5,168	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 13x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8LB12F64E-A-QFP32	Silicon Labs	IC MCU 8BIT 64KB FLASH 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 28 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock6,880	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 20x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	32-TQFP	32-QFP (7x7)
EFM8LB12F64E-A-QFN32	Silicon Labs	IC MCU 8BIT 64KB FLASH 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock2,784	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 20x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB12F64E-A-QFN24	Silicon Labs	IC MCU 8BIT 64KB FLASH 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x14b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock5,952	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 12x14b, D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F16G-A-QSOP24	Silicon Labs	IC MCU 8BIT 16KB FLASH 24QSOP 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: 21 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-LSSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-LSSOP (0.154", 3.90mm Width)	Stock3,968	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 13x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	24-LSSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F16G-A-QFP32	Silicon Labs	IC MCU 8BIT 16KB FLASH 32QFP 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: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock4,800	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	32-TQFP	32-QFP (7x7)
EFM8BB31F16G-A-QFN32	Silicon Labs	IC MCU 8BIT 16KB FLASH 32QFN 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: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock6,848	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F16G-A-QFN24	Silicon Labs	IC MCU 8BIT 16KB FLASH 24QFN 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: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock6,432	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 12x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F32G-A-QSOP24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QSOP 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: 21 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock5,488	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 13x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F32G-A-QFP32	Silicon Labs	IC MCU 8BIT 32KB FLASH 32QFP 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): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock6,032	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	32-TQFP	32-QFP (7x7)
EFM8BB31F32G-A-QFN32	Silicon Labs	IC MCU 8BIT 32KB FLASH 32QFN 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: 29 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-UQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UQFN Exposed Pad	Stock7,168	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	32-UQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F32G-A-QFN24	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QFN 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: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x12b, D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock2,368	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2 V ~ 3.6 V	A/D 12x12b, D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F64G-A-QFN32	Silicon Labs	IC MCU 8BIT 64KB FLASH 32QFN 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: 29 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock3,184	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F64G-A-QSOP24	Silicon Labs	IC MCU 8BIT 64KB FLASH 24QSOP 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: 21 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 13x12b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock7,568	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 13x12b, D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F64G-A-QFP32	Silicon Labs	IC MCU 8BIT 64KB FLASH 32QFP 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: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 20x12b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock5,376	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 20x12b, D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	32-TQFP	32-QFP (7x7)
EFM8BB31F64G-A-QFN24	Silicon Labs	IC MCU 8BIT 64KB FLASH 24QFN 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: 20 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 4.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2 V ~ 3.6 V Data Converters: A/D 12x12b, D/A 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock3,536	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2 V ~ 3.6 V	A/D 12x12b, D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM32HG322F64G-A-QFP48R	Silicon Labs	IC MCU 32BIT 64KB FLASH 48TQFP Core Processor: ARM? Cortex?-M0+ Core Size: 32-Bit Speed: 25MHz Connectivity: I2C, IrDA, SmartCard, SPI, UART/USART, USB Peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT Number of I/O: 35 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 8K x 8 Voltage - Supply (Vcc/Vdd): 1.98 V ~ 3.8 V Data Converters: A/D 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 48-TQFP Supplier Device Package: 48-TQFP (7x7)	Package: 48-TQFP	Stock2,080	32-Bit	25MHz	I2C, IrDA, SmartCard, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	35	64KB (64K x 8)	FLASH	-	8K x 8	1.98 V ~ 3.8 V	A/D 4x12b	Internal	-40°C ~ 85°C (TA)	-	48-TQFP	48-TQFP (7x7)
EFM32HG322F32G-A-QFP48R	Silicon Labs	IC MCU 32BIT 32KB FLASH 48TQFP Core Processor: ARM? Cortex?-M0+ Core Size: 32-Bit Speed: 25MHz Connectivity: I2C, IrDA, SmartCard, SPI, UART/USART, USB Peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT Number of I/O: 35 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 8K x 8 Voltage - Supply (Vcc/Vdd): 1.98 V ~ 3.8 V Data Converters: A/D 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 48-TQFP Supplier Device Package: 48-TQFP (7x7)	Package: 48-TQFP	Stock2,400	32-Bit	25MHz	I2C, IrDA, SmartCard, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	35	32KB (32K x 8)	FLASH	-	8K x 8	1.98 V ~ 3.8 V	A/D 4x12b	Internal	-40°C ~ 85°C (TA)	-	48-TQFP	48-TQFP (7x7)
EFM32HG321F64G-A-QFP48R	Silicon Labs	IC MCU 32BIT 64KB FLASH 48TQFP Core Processor: ARM? Cortex?-M0+ Core Size: 32-Bit Speed: 25MHz Connectivity: I2C, IrDA, SmartCard, SPI, UART/USART, USB Peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT Number of I/O: 35 Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 8K x 8 Voltage - Supply (Vcc/Vdd): 1.98 V ~ 3.8 V Data Converters: A/D 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 48-TQFP Supplier Device Package: 48-TQFP (7x7)	Package: 48-TQFP	Stock4,928	32-Bit	25MHz	I2C, IrDA, SmartCard, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	35	64KB (64K x 8)	FLASH	-	8K x 8	1.98 V ~ 3.8 V	A/D 4x12b	Internal	-40°C ~ 85°C (TA)	-	48-TQFP	48-TQFP (7x7)
EFM32HG321F32G-A-QFP48R	Silicon Labs	IC MCU 32BIT 32KB FLASH 48TQFP Core Processor: ARM? Cortex?-M0+ Core Size: 32-Bit Speed: 25MHz Connectivity: I2C, IrDA, SmartCard, SPI, UART/USART, USB Peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT Number of I/O: 35 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 8K x 8 Voltage - Supply (Vcc/Vdd): 1.98 V ~ 3.8 V Data Converters: A/D 4x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 48-TQFP Supplier Device Package: 48-TQFP (7x7)	Package: 48-TQFP	Stock5,648	32-Bit	25MHz	I2C, IrDA, SmartCard, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	35	32KB (32K x 8)	FLASH	-	8K x 8	1.98 V ~ 3.8 V	A/D 4x12b	Internal	-40°C ~ 85°C (TA)	-	48-TQFP	48-TQFP (7x7)