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Comparison

EFM32WG940F256-QFN64T vs EFM32WG940F128-QFN64T

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Mfr. Part #	EFM32WG940F256-QFN64T	EFM32WG940F128-QFN64T
Manufacturer	Silicon Labs	Silicon Labs
Description	IC MCU 32BIT 256KB FLASH 64QFN	IC MCU 32BIT 128KB FLASH 64QFN
Datasheet
RoHS
Specifications
Factory Lead Time	8 Weeks	8 Weeks
Mounting Type	Surface Mount	Surface Mount
Package / Case	64-VFQFN Exposed Pad	64-VFQFN Exposed Pad
Surface Mount	YES	YES
Number of Pins	64	64
Weight	206.29948mg	206.29948mg
Data Converters	A/D 8x12b; D/A 2x12b	A/D 8x12b; D/A 2x12b
Number of I/Os	52	52
ROM(word)	262144	131072
Watchdog Timers	Yes	Yes
Operating Temperature	-40°C~85°C TA	-40°C~85°C TA
Packaging	Tray	Tray
Series	Wonder Gecko	Wonder Gecko
Published	2013	2013
Part Status	Active	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Number of Terminations	64	64
Voltage - Supply	1.98V~3.8V	1.98V~3.8V
Terminal Position	QUAD	QUAD
Terminal Form	NO LEAD	NO LEAD
Frequency	48MHz	48MHz
Qualification Status	Not Qualified	Not Qualified
Interface	I2C, I2S, IrDA, SPI, UART, USART, USB	I2C, I2S, IrDA, SPI, UART, USART, USB
Memory Size	256kB	128kB
Oscillator Type	Internal	Internal
RAM Size	32K x 8	32K x 8
Core Processor	ARM® Cortex®-M4F	ARM® Cortex®-M4F
Peripherals	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Program Memory Type	FLASH	FLASH
Core Size	32-Bit	32-Bit
Program Memory Size	256KB 256K x 8	128KB 128K x 8
Connectivity	I2C, IrDA, SmartCard, SPI, UART/USART, USB	I2C, IrDA, SmartCard, SPI, UART/USART, USB
Bit Size	32	32
Data Bus Width	32b	32b
Number of Timers/Counters	5	5
Core Architecture	ARM	ARM
CPU Family	CORTEX-M4F	CORTEX-M4F
Number of ADC Channels	8	8
RoHS Status	RoHS Compliant	RoHS Compliant
Pricing(USD)
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