AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 157

• Manufacturer Part Number: AT32UC3A4256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32002F–03/2010
5
6
7
8
Secure State ........................................................................................... 59
Memory System ..................................................................................... 61
Memory Protection Unit ........................................................................ 66
Instruction Cycle Summary .................................................................. 71
4.4Detailed instruction description ...............................................................................43
5.1Basic concept ..........................................................................................................59
5.2Typical use scenario ................................................................................................59
5.3Secure state boot sequence ....................................................................................60
5.4Secure state debugging ..........................................................................................60
5.5Events in secure state .............................................................................................60
6.1Memory sections .....................................................................................................61
6.2Memory interfaces ...................................................................................................62
6.3IF stage interface .....................................................................................................62
6.4EX stage interfaces .................................................................................................62
6.5IRAM Write buffer ....................................................................................................64
6.6Memory barriers ......................................................................................................64
7.1Memory map in systems with MPU .........................................................................66
7.2Understanding the MPU ..........................................................................................66
7.3Example of MPU functionality .................................................................................70
8.1Definitions ................................................................................................................71
8.2Special considerations ............................................................................................71
8.3CPU revision ...........................................................................................................72
8.4ALU instructions ......................................................................................................72
8.5Multiply instructions .................................................................................................75
8.6MAC instructions .....................................................................................................76
8.7MulMac64 instructions .............................................................................................76
8.8Divide instructions ...................................................................................................77
8.9Saturate instructions ................................................................................................77
8.10Load and store instructions ...................................................................................77
8.11Multiple data memory access instructions .............................................................81
8.12Branch instructions ................................................................................................82
8.13Call instructions .....................................................................................................82
8.14Return from execution mode instructions ..............................................................82
8.15Swap instructions ..................................................................................................83
8.16System register instructions ..................................................................................83
AVR32
ii