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 (PEN) 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: S/56.25 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	S/56.25 S/51.19 S/46.32	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: S/46.44 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 S/46.44 S/44.88 Reel S/38.22	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: S/47.37 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 S/47.37 S/45.78 S/44.37 S/41.92 Reel S/39.04 Quote Quote	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: S/55.74 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 S/55.74 S/53.87 Reel S/45.85	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: S/44.80 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	S/44.80 S/40.75 S/36.86	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: S/42.62 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 S/42.62 S/41.18 Reel S/35.11 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: S/65.63 3,165In 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	3,165In Stock	Cut Tape S/65.63 S/63.45 Reel S/54.07 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: S/52.08 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 S/52.08 S/50.29 Reel S/42.86 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: S/61.31 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 S/61.31 S/59.28 Reel S/50.52 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: S/64.89 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	S/64.89 S/59.01 S/53.44	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: S/42.55 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 S/42.55 S/41.10 Reel S/35.07 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: S/48.42 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 S/48.42 S/46.79 Reel S/39.90	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 AT32UC3C2256C-A2UT Microchip Technology 1: S/47.64 202In Stock 320Expected 10/23/2026	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	202In Stock 320Expected 10/23/2026	S/47.64 S/43.28 S/39.20	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 UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UR Microchip Technology 1: S/57.06 351In 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	351In Stock	Cut Tape S/57.06 S/55.12 Reel S/46.90	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: S/35.07 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	S/35.07 S/31.84 S/28.84	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 AT32UC3C1256C-AUT Microchip Technology 1: S/51.34 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	S/51.34 S/46.67 S/42.31	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: S/38.34 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	S/38.34 S/34.92 S/31.61	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: S/38.85 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	S/38.85 S/35.23 S/31.92	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: S/47.37 16In 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	16In Stock	S/47.37 S/43.09 S/39.04	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 256K FLASH 64K SRAM AT32UC3C0256C-ALUT Microchip Technology 1: S/54.96 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	S/54.96 S/49.98 S/45.31	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 512K FLASH 64K SRAM AT32UC3C1512C-AUT Microchip Technology 1: S/70.34 4,770Expected 10/15/2026	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 10/15/2026	S/70.34 S/57.22 S/57.18 S/55.08 S/50.99	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 128KB Flash 64QFN AT32UC3C2128C-Z2UR Microchip Technology 4,000: S/32.62 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 S/32.62	Min.: 4,000 Mult.: 4,000 : 4,000		AT32UC3C2			AVR			32 bit								Reel
32-bit Microcontrollers - MCU 128KB Flash 64QFN AT32UC3C2128C-Z2UT Microchip Technology 260: S/31.96 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	S/31.96	Min.: 260 Mult.: 260		AT32UC3C2			AVR			32 bit								Tray
32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) T&R AT32UC3C2256C-Z2UR Microchip Technology 4,000: S/39.90 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 S/39.90	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: S/39.20 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	S/39.20	Min.: 260 Mult.: 260		AT32UC3C2			AVR			32 bit								Tray

C-Series AT32UC3 AVR 32-Bit MCUs

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