Hi All
There are several AVR32 UC3 parts available and this thread gives a quick overview of the ones supported in the uTasker project in order to aid in comparing them (prices are typical for 100 pieces from a distributor but may also be package dependent).
UC3A series - 100/144-pin, 10/100M Ethernet MAC, full-speed USB 2.0 with OTG capability, plus SRAM/SDRAM external bus interface (EVK1100 and EVK1105 evaluation kits)
AT32UC3A0128 - 32k SRAM / 128k FLASH 66MHz, external bus interface - 144pin LQFP or BGA $5.40
AT32UC3A0256 - 64k SRAM / 256k FLASH 66MHz, external bus interface - 144pin LQFP or BGA $6.00
AT32UC3A0512 - 64k SRAM / 512kFLASH 66MHz, external bus interface - 144pin LQFP or BGA $7.20
AT32UC3A1128 - 32k SRAM / 128k FLASH 66MHz - 100pin TQFP $4.80
AT32UC3A1256 - 64k SRAM / 256k FLASH 66MHz - 100pin TQFP $5.40
AT32UC3A1512 - 64k SRAM / 512kFLASH 66MHz - 100pin TQFP $6.70
UC3B series - 48 and 64-pin with USB 2.0 with OTG capability (EVK1101 evaluation kit)
AT32UC3B064 - 16k SRAM / 64kFLASH 60MHz - 64pin TQFP/QFN $3.50
AT32UC3B0128 - 32k SRAM / 128kFLASH 60MHz - 64pin TQFP/QFN $4.10
AT32UC3B0256 - 32k SRAM / 256kFLASH 60MHz - 64pin TQFP/QFN $4.70
AT32UC3B164 - 16k SRAM / 64kFLASH 60MHz - 48pin TQFP/QFN $3.35
AT32UC3B1128 - 32k SRAM / 128kFLASH 60MHz - 48pin TQFP/QFN $3.95
AT32UC3B1256 - 32k SRAM / 256kFLASH 60MHz - 48pin TQFP/QFN $4.60
UC3C series - 64, 100 and 144-pin with Ethernet, USB 2.0 with OTG capability, SD RAM controller and FPU (AT32UC3C-EK evaluation kit)
AT32UC3C064C - 16k SRAM / 64k FLASH 66MHz - 144 pin LQFP $6.00
AT32UC3C0128C - 32k SRAM / 128k FLASH 66MHz - 144 pin LQFP $7.10
AT32UC3C0256C - 64k SRAM / 256k FLASH 66MHz - 144 pin LQFP $8.70
AT32UC3C0512C - 64k SRAM / 512k FLASH 66MHz - 144 pin LQFP $---
AT32UC3C164C - 16k SRAM / 64k FLASH 66MHz - 100 pin TQFP $5.50
AT32UC3C1128C - 32k SRAM / 128k FLASH 66MHz - 100 pin TQFP $6.60
AT32UC3C1256C - 64k SRAM / 256k FLASH 66MHz - 100 pin TQFP $8.20
AT32UC3C1512C - 64k SRAM / 512k FLASH 66MHz - 100 pin TQFP $9.60
AT32UC3C264C - 16k SRAM / 64k FLASH 66MHz - 64 pin QFN or TQFP $5.20
AT32UC3C2128C - 32k SRAM / 128k FLASH 66MHz - 64 pin QFN or TQFP $6.20
AT32UC3C2256C - 64k SRAM / 256k FLASH 66MHz - 64 pin QFN or TQFP $7.60
AT32UC3C2512C - 64k SRAM / 512k FLASH 66MHz - 64 pin QFN or TQFP $9.00
USARTs
- AT32UC3C0/1xxx have 5 UARTs, AT32UC3C3xxx have 4 UARTs, AT32UC3B164, AT32UC3B1128 and AT32UC3B1256 have 2 USARTs. All others have 3 USARTs
SSC
- All have one SCC except for AT32UC3B164, AT32UC3B1128 and AT32UC3B1256.
- AT32UC3xxx have I2S
ADC
- AT32UC3C0/1xxx have 16 ADC inputs, AT32UC3C3xxx have 11 ADC inputs.
- All others have 8 ADC inputs except for AT32UC3B164, AT32UC3B1128 and AT32UC3B1256, which have 6
Oscillators
- All have 2 oscillators except for AT32UC3B164, AT32UC3B1128, AT32UC3B1256and AT32UC3C3xxx, which have one
USB
- All have mini-host and device (OTG) expect for AT32UC3B164, AT32UC3B1128 and AT32UC3B1256, which have device only
Two-wire interface (I2C)
- AT32UC3C0/1xxx have 3 I2C interfaces, AT32UC3C3xxx have 2 I2C interfaces
- All others have one I2C interface
Corrections, further details are welcome...;-)