32-bit Microcontrollers - MCU

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C-Series AT32UC3 AVR 32-Bit MCUs

Microchip Technology C-Series AT32UC3 AVR 32-Bit MCUs are designed for high-performance industrial and automotive control applications, including fast communication hubs and motor control. The series offers a rich set of arithmetical and analog features. Designed with the multi-layered databus, 68KB on-chip SRAM with dual interfaces, the UC3C offers an outstanding data throughput. The C series provides a single precision FPU that increases processing performance, precision, and dynamic range in all math applications, such as digital signal processing (DSP), sensor data acquisition, and audio. The Microchip Technology C-Series AT32UC3 AVR 32-Bit MCUs' mix of peripherals and high data throughput fits various applications, including industrial control, automotive control, power management, process automation, building automation, and communication gateways.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Series	Mounting Style	Package / Case	Core	Program Memory Size	Data RAM Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UT Microchip Technology 1: $18.79 1,709In Stock	Mfr. Part # AT32UC3C2512C-A2UT Mouser Part # 556-AT32UC3C2512CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	1,709In Stock	$18.79 $17.10 $15.47	Min.: 1 Mult.: 1		AT32UC3C2	SMD/SMT	TQFP-64	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM AT32UC3C064C-ALUR Microchip Technology 1: $15.51 801In Stock	Mfr. Part # AT32UC3C064C-ALUR Mouser Part # 556-AT32UC3C064CALUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	801In Stock	Cut Tape $15.51 $14.99 Reel $12.77	Min.: 1 Mult.: 1 : 800		AT32UC3C0	SMD/SMT	LQFP-144	AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU 512KB Flash 64QFN (-40oC to 85oC) AT32UC3C2512C-Z2UR Microchip Technology 1: $15.82 3,068In Stock	Mfr. Part # AT32UC3C2512C-Z2UR Mouser Part # 556-32UC3C2512C-Z2UR	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash 64QFN (-40oC to 85oC) Learn More about Microchip Technology microchip c series mcus	Datasheet	3,068In Stock	Cut Tape $15.82 $15.30 Reel $13.04	Min.: 1 Mult.: 1 : 4,000	No	AT32UC3C2	SMD/SMT	QFN-64	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C0256C-ALUR Microchip Technology 1: $18.62 135In Stock	Mfr. Part # AT32UC3C0256C-ALUR Mouser Part # 556-AT32UC3C0256CALR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	135In Stock	Cut Tape $18.62 $17.99 Reel $15.31	Min.: 1 Mult.: 1 : 800		AT32UC3C0	SMD/SMT	LQFP-144	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM AT32UC3C0128C-ALUT Microchip Technology 1: $14.96 106In Stock	Mfr. Part # AT32UC3C0128C-ALUT Mouser Part # 556-AT32UC3C0128CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	106In Stock	$14.96 $13.61 $12.31	Min.: 1 Mult.: 1		AT32UC3C0	SMD/SMT	LQFP-144	AVR	128 kB	32 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM AT32UC3C164C-AUR Microchip Technology 1: $14.24 95In Stock	Mfr. Part # AT32UC3C164C-AUR Mouser Part # 556-AT32UC3C164C-AUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	95In Stock	Cut Tape $14.24 $13.75 Reel $11.73 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		AT32UC3C1	SMD/SMT	TQFP-100	AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C0512C-ALUR Microchip Technology 1: $21.92 3,167In Stock	Mfr. Part # AT32UC3C0512C-ALUR Mouser Part # 556-AT32UC3C0512CALR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	3,167In Stock	Cut Tape $21.92 $21.19 Reel $18.06 MouseReel Available	Min.: 1 Mult.: 1 : 800		AT32UC3C0	SMD/SMT	LQFP-144	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C1256C-AUR Microchip Technology 1: $17.39 1,388In Stock	Mfr. Part # AT32UC3C1256C-AUR Mouser Part # 556-AT32UC3C1256CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	1,388In Stock	Cut Tape $17.39 $16.80 Reel $14.31 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		AT32UC3C1	SMD/SMT	TQFP-100	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C1512C-AUR Microchip Technology 1: $20.48 1,891In Stock	Mfr. Part # AT32UC3C1512C-AUR Mouser Part # 556-AT32UC3C1512CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	1,891In Stock	Cut Tape $20.48 $19.80 Reel $16.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		AT32UC3C1	SMD/SMT	TQFP-100	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C0512C-ALUT Microchip Technology 1: $21.67 124In Stock	Mfr. Part # AT32UC3C0512C-ALUT Mouser Part # 556-AT32UC3C0512CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	124In Stock	$21.67 $19.71 $17.85	Min.: 1 Mult.: 1		AT32UC3C0	SMD/SMT	LQFP-144	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM AT32UC3C1128C-AUR Microchip Technology 1: $14.21 306In Stock	Mfr. Part # AT32UC3C1128C-AUR Mouser Part # 556-AT32UC3C1128CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	306In Stock	Cut Tape $14.21 $13.73 Reel $11.71 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		AT32UC3C1	SMD/SMT	TQFP-100	AVR	128 kB	32 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C2256C-A2UR Microchip Technology 1: $16.17 609In Stock	Mfr. Part # AT32UC3C2256C-A2UR Mouser Part # 556-AT32UC3C2256CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	609In Stock	Cut Tape $16.17 $15.63 Reel $13.33	Min.: 1 Mult.: 1 : 1,500		AT32UC3C2			AVR	256 kB	64 kB	32 bit		66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UR Microchip Technology 1: $19.06 354In Stock	Mfr. Part # AT32UC3C2512C-A2UR Mouser Part # 556-AT32UC3C2512CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	354In Stock	Cut Tape $19.06 $18.41 Reel $15.67	Min.: 1 Mult.: 1 : 1,500		AT32UC3C2			AVR	512 kB	64 kB	32 bit		66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM AT32UC3C264C-A2UT Microchip Technology 1: $11.71 202In Stock	Mfr. Part # AT32UC3C264C-A2UT Mouser Part # 556-AT32UC3C264CA2UT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	202In Stock	$11.71 $10.63 $9.63	Min.: 1 Mult.: 1		AT32UC3C2	SMD/SMT		AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C0256C-ALUT Microchip Technology 1: $18.36 6In Stock	Mfr. Part # AT32UC3C0256C-ALUT Mouser Part # 556-AT32UC3C0256CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	6In Stock	$18.36 $16.69 $15.13	Min.: 1 Mult.: 1		AT32UC3C0	SMD/SMT	LQFP-144	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C1256C-AUT Microchip Technology 1: $17.15 10In Stock	Mfr. Part # AT32UC3C1256C-AUT Mouser Part # 556-AT32UC3C1256CAUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	10In Stock	$17.15 $15.59 $14.13	Min.: 1 Mult.: 1		AT32UC3C1	SMD/SMT	TQFP-100	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM AT32UC3C164C-AUT Microchip Technology 1: $12.81 21In Stock	Mfr. Part # AT32UC3C164C-AUT Mouser Part # 556-AT32UC3C164C-AUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	21In Stock	$12.81 $11.66 $10.56	Min.: 1 Mult.: 1		AT32UC3C1	SMD/SMT	TQFP-100	AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM AT32UC3C2128C-A2UT Microchip Technology 1: $12.97 2In Stock	Mfr. Part # AT32UC3C2128C-A2UT Mouser Part # 556-AT32UC3C2128CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	2In Stock	$12.97 $11.77 $10.66	Min.: 1 Mult.: 1		AT32UC3C2	SMD/SMT	TQFP-64	AVR	128 kB	32 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 512k flash, 64 QFN, 85C AT32UC3C2512C-Z2UT Microchip Technology 1: $15.82 19In Stock	Mfr. Part # AT32UC3C2512C-Z2UT Mouser Part # 556-AT32UC3C2512CZ2U	Microchip Technology	32-bit Microcontrollers - MCU 512k flash, 64 QFN, 85C Learn More about Microchip Technology microchip c series mcus	Datasheet	19In Stock	$15.82 $14.39 $13.04	Min.: 1 Mult.: 1		AT32UC3C2	SMD/SMT	QFN-64	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C1512C-AUT Microchip Technology 1: $20.23 4,770Expected 12/1/2026	Mfr. Part # AT32UC3C1512C-AUT Mouser Part # 556-AT32UC3C1512CAUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	4,770Expected 12/1/2026	$20.23 $18.40 $16.67	Min.: 1 Mult.: 1		AT32UC3C1	SMD/SMT	TQFP-100	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2256C-A2UT Microchip Technology 1: $15.91 522On Order	Mfr. Part # AT32UC3C2256C-A2UT Mouser Part # 556-AT32UC3C2256CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	522On Order On Order Ship Dates Mfr. #: AT32UC3C2256C-A2UT Stock: 0 On Order: 42 Expected 9/29/2026 480 Expected 10/5/2026 Factory Lead-Time: 32 Weeks	$15.91 $14.46 $13.09	Min.: 1 Mult.: 1		AT32UC3C2	SMD/SMT	TQFP-64	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 128KB Flash 64QFN AT32UC3C2128C-Z2UR Microchip Technology 4,000: $10.89 Non-Stocked Lead-Time 33 Weeks	Mfr. Part # AT32UC3C2128C-Z2UR Mouser Part # 556-A32UC3C2128CZ2UR	Microchip Technology	32-bit Microcontrollers - MCU 128KB Flash 64QFN Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel $10.89	Min.: 4,000 Mult.: 4,000 : 4,000		AT32UC3C2			AVR			32 bit								Reel
32-bit Microcontrollers - MCU 128KB Flash 64QFN AT32UC3C2128C-Z2UT Microchip Technology 1: $12.97 Non-Stocked Lead-Time 34 Weeks	Mfr. Part # AT32UC3C2128C-Z2UT Mouser Part # 556-A32UC3C2128CZ2UT	Microchip Technology	32-bit Microcontrollers - MCU 128KB Flash 64QFN Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 34 Weeks	$12.97 $11.79 $10.67	Min.: 1 Mult.: 1		AT32UC3C2			AVR			32 bit								Tray
32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) T&R AT32UC3C2256C-Z2UR Microchip Technology 4,000: $13.33 Non-Stocked Lead-Time 33 Weeks	Mfr. Part # AT32UC3C2256C-Z2UR Mouser Part # 556-A32UC3C2256CZ2UR	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) T&R Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel $13.33	Min.: 4,000 Mult.: 4,000 : 4,000		AT32UC3C2			AVR			32 bit								Reel
32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) TRAY AT32UC3C2256C-Z2UT Microchip Technology 260: $13.09 Non-Stocked Lead-Time 28 Weeks	Mfr. Part # AT32UC3C2256C-Z2UT Mouser Part # 556-A32UC3C2256CZ2UT	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) TRAY Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 28 Weeks	$13.09	Min.: 260 Mult.: 260		AT32UC3C2			AVR			32 bit								Tray

C-Series AT32UC3 AVR 32-Bit MCUs

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