Rochester Electronics, LLC100-TFBGARoHS

ATSAM3A4CA-CU

IC MCU 32BIT 256KB FLSH 100TFBGA

Parameters

Parameter	Value
Brand	Rochester Electronics, LLC
Model	ATSAM3A4CA-CU
Package / Case	100-TFBGA
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
Core Processor	ARM® Cortex®-M3
Speed	84MHz
Program Memory Size	256KB (256K x 8)
RAM Size	64K x 8
Number of I/O	63
Data Converters	A/D 16x12b; D/A 2x12b
Voltage - Supply	1.62V ~ 3.6V
Connectivity	CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Supplier Device Package	100-TFBGA (9x9)
RoHS	RoHS
Part Status	Active

Application & Notes

ATSAM3A4CA-CU by Rochester Electronics, LLC is a ARM® Cortex®-M3 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 100-TFBGA package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.

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All Technical Specifications

Speed	84MHz
RAM Size	64K x 8
Core Size	32-Bit
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Connectivity	CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, USB
Number of I/O	63
Core Processor	ARM® Cortex®-M3
Data Converters	A/D 16x12b; D/A 2x12b
Oscillator Type	Internal
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
Voltage - Supply (Vcc/Vdd)	1.62V ~ 3.6V

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