Specification	ATSAM3U2CA-CU

Connectivity	I2C, USB, SPI, UART/USART, EBI/EMI, SSC, Memory Card
Core Processor	ARM® Cortex®-M3
Core Size	32-Bit Single-Core
Data Converters	A/D 4x10b, A/D 4x12b
Mounting Type	Surface Mount
Number of I/O	57
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT, PWM, I2S
Program Memory Size	128 KB
Program Memory Type	FLASH
RAM Size	36 K
Speed	96 MHz
Supplier Device Package	100-TFBGA (9x9)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	1.62 V

ATSAM3U4E Series

Part	Package / Case	Core Size	Data Converters [custom]	Peripherals	Number of I/O	Supplier Device Package	Speed	Core Processor	Connectivity	Mounting Type	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Program Memory Type	RAM Size	Program Memory Size	Operating Temperature [Max]	Operating Temperature [Min]	Oscillator Type	Data Converters
Microchip Technology ATSAM3U1EA-CU	144-LFBGA	32-Bit Single-Core	8x10b 8x12b	Brown-out Detect/Reset DMA I2S POR PWM WDT	96	144-BGA (13x13)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	20 K	64 KB	85 °C	-40 °C	Internal
Microchip Technology ATSAM3U2EA-CU	144-LFBGA	32-Bit Single-Core	8x10b 8x12b	Brown-out Detect/Reset DMA I2S POR PWM WDT	96	144-BGA (13x13)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	36 K	128 KB	85 °C	-40 °C	Internal
Microchip Technology ATSAM3U1CB-AU	100-LQFP	32-Bit Single-Core		Brown-out Detect/Reset DMA I2S POR PWM WDT	57	100-LQFP (14x14)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	20 K	64 KB	85 °C	-40 °C	Internal	A/D 4x10b A/D 4x12b
Microchip Technology ATSAM3U1CA-CU		32-Bit Single-Core		Brown-out Detect/Reset DMA I2S POR PWM WDT	57	100-TFBGA (9x9)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	20 K	64 KB	85 °C	-40 °C	Internal	A/D 4x10b A/D 4x12b
Microchip Technology ATSAM3U2EA-AU	144-LQFP	32-Bit Single-Core	8x10b 8x12b	Brown-out Detect/Reset DMA I2S POR PWM WDT	96	144-LQFP (20x20)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	36 K	128 KB	85 °C	-40 °C	Internal
Microchip Technology ATSAM3U2CA-CU		32-Bit Single-Core		Brown-out Detect/Reset DMA I2S POR PWM WDT	57	100-TFBGA (9x9)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	36 K	128 KB	85 °C	-40 °C	Internal	A/D 4x10b A/D 4x12b
Microchip Technology ATSAM3U4CA-AU	100-LQFP	32-Bit Single-Core		Brown-out Detect/Reset DMA I2S POR PWM WDT	57	100-LQFP (14x14)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	52 K	256 KB	85 °C	-40 °C	Internal	A/D 4x10b A/D 4x12b
Microchip Technology ATSAM3U4EA-AU	144-LQFP	32-Bit Single-Core	8x10b 8x12b	Brown-out Detect/Reset DMA I2S POR PWM WDT	96	144-LQFP (20x20)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	52 K	256 KB	85 °C	-40 °C	Internal
Microchip Technology ATSAM3U1EB-CU	144-LFBGA	32-Bit Single-Core	8x10b 8x12b	Brown-out Detect/Reset DMA I2S POR PWM WDT	96	144-BGA (13x13)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	20 K	64 KB	85 °C	-40 °C	Internal
Microchip Technology ATSAM3U4CA-CU		32-Bit Single-Core		Brown-out Detect/Reset DMA I2S POR PWM WDT	57	100-TFBGA (9x9)	96 MHz	ARM® Cortex®-M3	EBI/EMI I2C Memory Card SPI SSC UART/USART USB	Surface Mount	3.6 V	1.62 V	FLASH	52 K	256 KB	85 °C	-40 °C	Internal	A/D 4x10b A/D 4x12b

Pricing

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

Distributor	Package	Quantity	$

Arrow	N/A	1	$ 5.84
Digikey	Tray	1	$ 6.88
		25	$ 6.25
		100	$ 5.67
Newark	Each	50	$ 5.90

Description

General part information

ATSAM3U4E Series

Microchip's ARM®-based SAM3U4E is a member of the SAM3U family of flash microcontrollers based on the high-performance 32-bit ARM Cortex®-M3 RISC processor.

It operates at a maximum speed of 96MHz and features two 128KB of dual-bank flash memory and 52KB of SRAM.

The peripheral set includes a High Speed USB device and PHY at 480Mbps, high-speed multimedia card interface for SDIO/SD/MMC, a 16-bit external bus interface supporting NAND flash, three USARTs, two TWIs (I2C), four SPIs, I2S, four PWM timers, three 16-bit timers, RTC, and eight 12-bit and eight 10-bit ADCs.

Documents

Technical documentation and resources

Product Change Notice EN

Datasheet

Technical Data Sheet EN

Datasheet