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AVR32 Products

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Product Buy Status Documents 5K Pricing CPU Type Architecture Max CPU Speed (MHz) Program Memory Size (KB) SRAM (KB) DRAM Interface Data EEPROM/HEF (Bytes) Auxiliary Flash (KB) SDIO/SD-CARD/eMMC Temperature Range Operation Voltage Range Graphics Controller/GPU Direct Memory Access Channels ADC Input Max ADC Resolution (Bits) Number of DACs USB Interface Number of Comparators Timers Capture/Compare/PWM Peripherals Motor Control PWM Outputs UART/SPI/I2C Number of Op Amps I2S Peripheral Pin Select / Pin Muxing Low Power External Memory Bus Interface QSPI Quadrature Encoder Interface Crypto Engine Hardware Touch Peripheral Number of CAN Modules Type of CAN module Ethernet Pin count Packages
AT32UC3B064 Not Recommended for new designs $3.59 32-bit AVR 32 60 64 16 No 0 0 0 -40 to 85 0V - 0V No 7 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 3 -UART
4 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
AT32UC3B164 Not Recommended for new designs $3.40 32-bit AVR 32 60 64 16 No 0 0 0 -40 to 85 0V - 0V No 7 6 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 2 -UART
3 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 48 48/TQFP
48/VQFN
ATUC128D3 Not Recommended for new designs $3.82 32-bit AVR 32 48 128 16 No 0 0 0 -40 to 85 3V - 3.6V No 0 8 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
3 -Input Capture
0 3 -UART
1 -SPI
2 -I2C
0 0 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
ATUC128D4 Not Recommended for new designs $3.63 32-bit AVR 32 48 128 16 No 0 0 0 -40 to 85 3V - 3.6V No 0 6 10 1 Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
3 -Input Capture
0 3 -UART
1 -SPI
2 -I2C
0 0 Yes No No 0 0 No 0 None None 48 48/TQFP
48/VQFN
ATUC128L4U Not Recommended for new designs $4.43 32-bit AVR 32 50 128 16 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 48 48/TLLGA
48/TQFP
ATUC256L4U Not Recommended for new designs $5.15 32-bit AVR 32 50 256 16 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 48 48/TLLGA
48/TQFP
48/VQFN
ATUC64D3 Not Recommended for new designs $3.07 32-bit AVR 32 48 64 16 No 0 0 0 -40 to 85 3V - 3.6V No 0 8 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
3 -Input Capture
0 3 -UART
1 -SPI
2 -I2C
0 0 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
ATUC64D4 Not Recommended for new designs $2.91 32-bit AVR 32 48 64 16 No 0 0 0 -40 to 85 3V - 3.6V No 0 6 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
3 -Input Capture
0 3 -UART
1 -SPI
2 -I2C
0 0 Yes No No 0 0 No 0 None None 48 48/TQFP
48/VQFN
ATUC64L3U Not Recommended for new designs $4.12 32-bit AVR 32 50 64 16 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 64 64/TQFP
64/VQFN
ATUC64L4U Not Recommended for new designs $3.74 32-bit AVR 32 50 64 16 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 48 48/TLLGA
48/TQFP
48/VQFN
AT32UC3C064C Not Recommended for new designs $6.12 32-bit AVR 32 66 64 20 sdram 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No Yes 0 2 No 2 None 10/100 Base-TX Mac 144 144/LQFP
AT32UC3C164C Not Recommended for new designs $5.24 32-bit AVR 32 66 64 20 No 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No No 0 2 No 2 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3C264C Not Recommended for new designs $4.78 32-bit AVR 32 66 64 20 No 0 0 0 -40 to 85 0V - 0V No 16 11 12 1 Device + OTG 2 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes No No 0 1 No 2 None 10/100 Base-TX Mac 64 64/TQFP
64/VQFN
AT32UC3A0128 Not Recommended for new designs $5.91 32-bit AVR 32 66 128 32 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 144/LQFP
144/TFBGA
AT32UC3A0128AU Not Recommended for new designs Call for pricing 32-bit AVR 32 66 128 32 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 Please call for package information
AT32UC3A1128 Not Recommended for new designs $5.30 32-bit AVR 32 66 128 32 No 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3B0128 Not Recommended for new designs $4.25 32-bit AVR 32 60 128 32 No 0 0 0 -40 to 85 0V - 0V No 7 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 3 -UART
4 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
AT32UC3B0256 Not Recommended for new designs $4.83 32-bit AVR 32 60 256 32 No 0 0 0 -40 to 85 0V - 0V No 7 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 3 -UART
4 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
AT32UC3B1128 Not Recommended for new designs $4.03 32-bit AVR 32 60 128 32 No 0 0 0 -40 to 85 0V - 0V No 7 6 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 2 -UART
3 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 48 48/TQFP
48/VQFN
AT32UC3B1256 Not Recommended for new designs $4.58 32-bit AVR 32 60 256 32 No 0 0 0 -40 to 85 0V - 0V No 7 6 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 2 -UART
3 -SPI
1 -I2C
0 0 Yes No No 0 0 No 0 None None 48 48/TQFP
48/VQFN
AT32UC3L0128 Not Recommended for new designs $4.43 32-bit AVR 32 50 128 32 No 0 0 0 -40 to 85 1.62V - 3.6V No 12 8 12 0 None 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes Yes No 0 0 No 0 None None 48 48/TLLGA
48/TQFP
48/VQFN
48/XFLGA
AT32UC3L0256 Not Recommended for new designs $5.15 32-bit AVR 32 50 256 32 No 0 0 0 -40 to 85 1.62V - 3.6V No 12 8 12 0 None 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes Yes No 0 0 No 0 None None 48 48/TLLGA
48/TQFP
48/VQFN
ATUC128L3U Not Recommended for new designs $4.89 32-bit AVR 32 50 128 32 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 64 64/TQFP
64/VQFN
ATUC256L3U Not Recommended for new designs $5.56 32-bit AVR 32 50 256 32 No 0 0 0 -40 to 85 1.62V - 3.6V No 0 8 12 1 FS Device 8 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
1 -SPI
2 -I2C
0 0 Yes Yes No 0 0 No 0 None None 64 64/TQFP
64/VQFN
AT32UC3C0128C Not Recommended for new designs $6.11 32-bit AVR 32 66 128 36 sdram 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No Yes 0 2 No 2 None 10/100 Base-TX Mac 144 144/LQFP
AT32UC3C1128C Not Recommended for new designs $5.81 32-bit AVR 32 66 128 36 No 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No No 0 2 No 2 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3C2128C Not Recommended for new designs $5.30 32-bit AVR 32 66 128 36 No 0 0 0 -40 to 85 0V - 0V No 16 11 12 1 Device + OTG 2 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes No No 0 1 No 2 None 10/100 Base-TX Mac 64 64/TQFP
64/VQFN
AT32UC3A0256 Not Recommended for new designs $7.26 32-bit AVR 32 66 256 64 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 144/LQFP
144/TFBGA
AT32UC3A0256AU Not Recommended for new designs Call for pricing 32-bit AVR 32 66 256 64 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 Please call for package information
AT32UC3A0512 Not Recommended for new designs $7.79 32-bit AVR 32 66 512 64 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 144/LQFP
144/TFBGA
AT32UC3A0512AU Not Recommended for new designs Call for pricing 32-bit AVR 32 66 512 64 sdram 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No Yes 0 0 No 0 None 10/100 Base-TX Mac 144 Please call for package information
AT32UC3A1256 Not Recommended for new designs $6.51 32-bit AVR 32 66 256 64 No 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3A1256AU Not Recommended for new designs Call for pricing 32-bit AVR 32 66 256 64 No 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None 10/100 Base-TX Mac 100 Please call for package information
AT32UC3A1512 Not Recommended for new designs $7.68 32-bit AVR 32 66 512 64 No 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3A1512AU Not Recommended for new designs Call for pricing 32-bit AVR 32 66 512 64 No 0 0 0 -40 to 85 0V - 0V No 15 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None 10/100 Base-TX Mac 100 Please call for package information
AT32UC3C0256C Not Recommended for new designs $7.51 32-bit AVR 32 66 256 68 sdram 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No Yes 0 2 No 2 None 10/100 Base-TX Mac 144 144/LQFP
AT32UC3C0512C Not Recommended for new designs $8.86 32-bit AVR 32 66 512 68 sdram 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No Yes 0 2 No 2 None 10/100 Base-TX Mac 144 144/LQFP
AT32UC3C0512C-AUTOMOTIVE Not Recommended for new designs Call for pricing 32-bit AVR 32 66 512 68 sdram 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No Yes 0 2 No 2 None 10/100 Base-TX Mac 144 144/LQFP
AT32UC3C1256C Not Recommended for new designs $7.01 32-bit AVR 32 66 256 68 No 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No No 0 2 No 2 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3C1512C Not Recommended for new designs $8.27 32-bit AVR 32 66 512 68 No 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No No 0 2 No 2 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3C1512C-AUTOMOTIVE Not Recommended for new designs $8.13 32-bit AVR 32 66 512 68 No 0 0 0 -40 to 85 0V - 0V No 16 16 12 2 Device + OTG 4 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 5 -UART
7 -SPI
3 -I2C
0 1 Yes No No 0 2 No 2 None 10/100 Base-TX Mac 100 100/TQFP
AT32UC3C2256C Not Recommended for new designs $6.51 32-bit AVR 32 66 256 68 No 0 0 0 -40 to 85 0V - 0V No 16 11 12 1 Device + OTG 2 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes No No 0 1 No 2 None 10/100 Base-TX Mac 64 64/TQFP
64/VQFN
AT32UC3C2512C Not Recommended for new designs $6.46 32-bit AVR 32 66 512 68 No 0 0 0 -40 to 85 0V - 0V No 16 11 12 1 Device + OTG 2 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes No No 0 1 No 2 None 10/100 Base-TX Mac 64 64/TQFP
64/VQFN
AT32UC3C2512C-AUTOMOTIVE Not Recommended for new designs Call for pricing 32-bit AVR 32 66 512 68 No 0 0 0 -40 to 85 0V - 0V No 16 11 12 1 Device + OTG 2 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
5 -SPI
2 -I2C
0 1 Yes No No 0 1 No 2 None 10/100 Base-TX Mac 64 64/TQFP
64/VQFN
AT32UC3B0512 In Production $5.93 32-bit AVR 32 60 512 96 No 0 0 0 -40 to 85 0V - 0V No 7 8 10 1 Device + OTG 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 3 -UART
4 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None None 64 64/TQFP
64/VQFN
AT32UC3B1512 Not Recommended for new designs $5.62 32-bit AVR 32 60 512 96 No 0 0 0 -40 to 85 0V - 0V No 7 6 10 1 FS Device 0 3 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 2 -UART
3 -SPI
1 -I2C
0 1 Yes No No 0 0 No 0 None None 48 48/VQFN
AT32UC3A3128 Not Recommended for new designs $6.93 32-bit AVR 32 84 128 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 No 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A3128S Not Recommended for new designs $7.33 32-bit AVR 32 84 128 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 Yes 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A3256 Not Recommended for new designs $8.51 32-bit AVR 32 84 256 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 No 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A3256S Not Recommended for new designs $9.01 32-bit AVR 32 84 256 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 Yes 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A364 Not Recommended for new designs $6.07 32-bit AVR 32 84 64 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 No 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A364S Not Recommended for new designs $6.40 32-bit AVR 32 84 64 128 sdram 0 0 1 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
12 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No Yes 0 0 Yes 0 None None 144 144/LQFP
144/TFBGA
AT32UC3A4128 Not Recommended for new designs $5.40 32-bit AVR 32 84 128 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 No 0 None None 100 100/VFBGA
AT32UC3A4128S Not Recommended for new designs $5.50 32-bit AVR 32 84 128 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 Yes 0 None None 100 100/VFBGA
AT32UC3A4256 Not Recommended for new designs $6.51 32-bit AVR 32 84 256 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 No 0 None None 100 100/VFBGA
AT32UC3A4256S Not Recommended for new designs $6.76 32-bit AVR 32 84 256 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 Yes 0 None None 100 100/VFBGA
AT32UC3A464 Not Recommended for new designs $5.45 32-bit AVR 32 84 64 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 No 0 None None 100 100/VFBGA
AT32UC3A464S Not Recommended for new designs $5.25 32-bit AVR 32 84 64 128 No 0 0 2 -40 to 85 3V - 3.6V No 12 8 10 1 Device + OTG 0 6 x 16-bit
0 x 32-bit 		0 -Std. PWM
0-bit PWM resolutions
6 -Input Capture
0 4 -UART
6 -SPI
2 -I2C
0 1 Yes No No 0 0 Yes 0 None None 100 100/VFBGA
5K pricing is for budgetary use only, shown in United States dollars. The prices are representative and do not reflect final pricing. Contact your local Microchip sales representative or distributor for volume and / or discount pricing.

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5K Pricing
CPU Type
Architecture
Max CPU Speed (MHz)
Program Memory Size (KB)
SRAM (KB)
DRAM Interface
Data EEPROM/HEF (Bytes)
Auxiliary Flash (KB)
SDIO/SD-CARD/eMMC
Temperature Range
Operation Voltage Range
Graphics Controller/GPU
Direct Memory Access Channels
ADC Input
Max ADC Resolution (Bits)
Number of DACs
USB Interface
Number of Comparators
Timers
Capture/Compare/PWM Peripherals
Motor Control PWM Outputs
UART/SPI/I2C
Number of Op Amps
I2S
Peripheral Pin Select / Pin Muxing
Low Power
External Memory Bus Interface
QSPI
Quadrature Encoder Interface
Crypto Engine
Hardware Touch Peripheral
Number of CAN Modules
Type of CAN module
Ethernet
Pin count
Packages