Specification	ATUC128L3U-Z3UR

A/D Channels	8 count
A/D Resolution (bits)	12 bit
Connectivity	SPI, UART, USB, I2C, USART
Core Configuration	Single-Core
Core Processor	AVR
Core Size (Bit Width)	32 Bit
Mounting Type	Surface Mount
Number of I/O	51
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	64-VFQFN Exposed Pad
Package Length	9 mm
Package Name	64-QFN
Package Width	9 mm
Peripherals	PWM, POR, Reset, WDT, Brown-out Detect, DMA
Program Memory Depth (128KB)	128 K
Program Memory Size	128KB
Program Memory Type	FLASH
Program Memory Width (128KB)	8
RAM Size Depth	32 K
RAM Size Width	8 bit
Speed	50 MHz
Voltage - Supply (Vcc/Vdd) Maximum	3.6 V
Voltage - Supply (Vcc/Vdd) Minimum	1.62 V

ATUC128 Series

Part	Connectivity	Operating Temperature (Max)	Operating Temperature (Min)	Package Length	Package Name	Package Width	Package / Case	Core Size (Bit Width)	RAM Size Width	RAM Size Depth	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	Mounting Type	Oscillator Type	Program Memory Depth (128KB)	Program Memory Size	Program Memory Width (128KB)	A/D Channels	A/D Resolution (bits)	Program Memory Type	Peripherals	Number of I/O	Core Processor	Speed	Core Configuration
Atmel ATUC128D3-A2UT	I2C SPI UART USART USB	85 °C	-40 °C	10 mm	64-LQFP	10 mm	64-LQFP	32 Bit	8 bit	16 K	3.6 V	1.65 V	Surface Mount	Internal	128 K	128KB	8	8 count	10 bit	FLASH	Brown-out Detect DMA I2S POR PWM Reset WDT	51	AVR	48 MHz	Single-Core
Atmel ATUC128L4U-D3HT	I2C SPI UART USART USB	85 °C	-40 °C	5.5 mm	48-TLLGA	5.5 mm	48-UFLGA Exposed Pad	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	36	AVR	50 MHz	Single-Core
Atmel ATUC128L3U-AUT	I2C SPI UART USART USB	85 °C	-40 °C	10 mm	64-TQFP	10 mm	64-TQFP	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	51	AVR	50 MHz	Single-Core
Atmel ATUC128D4-Z1UR	I2C SPI UART USART USB	85 °C	-40 °C	7 mm	48-QFN	7 mm	48-VFQFN Exposed Pad	32 Bit	8 bit	16 K	3.6 V	1.65 V	Surface Mount	Internal	128 K	128KB	8	6 count	10 bit	FLASH	Brown-out Detect DMA I2S POR PWM Reset WDT	35	AVR	48 MHz	Single-Core
Atmel ATUC128L4U-D3HR	I2C SPI UART USART USB	85 °C	-40 °C	5.5 mm	48-TLLGA	5.5 mm	48-UFLGA Exposed Pad	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	36	AVR	50 MHz	Single-Core
Atmel ATUC128L3U-Z3UT	I2C SPI UART USART USB	85 °C	-40 °C	9 mm	64-QFN	9 mm	64-VFQFN Exposed Pad	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	51	AVR	50 MHz	Single-Core
Atmel ATUC128L3U-Z3UR	I2C SPI UART USART USB	85 °C	-40 °C	9 mm	64-QFN	9 mm	64-VFQFN Exposed Pad	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	51	AVR	50 MHz	Single-Core
Atmel ATUC128L4U-AUR	I2C SPI UART USART USB	85 °C	-40 °C	7 mm	48-TQFP	7 mm	48-TQFP	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	36	AVR	50 MHz	Single-Core
Atmel ATUC128L4U-AUT	I2C SPI UART USART USB	85 °C	-40 °C	7 mm	48-TQFP	7 mm	48-TQFP	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	36	AVR	50 MHz	Single-Core
Atmel ATUC128L3U-AUR	I2C SPI UART USART USB	85 °C	-40 °C	10 mm	64-TQFP	10 mm	64-TQFP	32 Bit	8 bit	32 K	3.6 V	1.62 V	Surface Mount	Internal	128 K	128KB	8	8 count	12 bit	FLASH	Brown-out Detect DMA POR PWM Reset WDT	51	AVR	50 MHz	Single-Core

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