AT32UC3A1256 Atmel Corporation, AT32UC3A1256 Datasheet - Page 156
AT32UC3A1256
Manufacturer Part Number
AT32UC3A1256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(98 pages)
2.AT32UC3A0128.pdf
(826 pages)
3.AT32UC3A0128.pdf
(377 pages)
4.AT32UC3A0128.pdf
(33 pages)
5.AT32UC3A0128.pdf
(159 pages)
Specifications of AT32UC3A1256
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
69
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
1
Uart
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A1256-U
Manufacturer:
ATMEL
Quantity:
496
Table of contents
32002F–03/2010
1
2
3
4
Introduction .............................................................................................. 2
Programming Model ................................................................................ 7
Pipeline ................................................................................................... 20
Floating Point Hardware ........................................................................ 40
1.1The AVR family .........................................................................................................2
1.2 The AVR32 Microprocessor Architecture .................................................................2
1.3Exceptions and Interrupts ..........................................................................................3
1.4Java Support .............................................................................................................3
1.5FlashVault .................................................................................................................3
1.6Microarchitectures .....................................................................................................3
1.7The AVR32UC architecture .......................................................................................4
1.8AVR32UC CPU revisions ..........................................................................................5
2.1Architectural compatibility ..........................................................................................7
2.2Implementation options .............................................................................................7
2.3Register file configuration ..........................................................................................7
2.4The Status Register ...................................................................................................8
2.5System registers ......................................................................................................11
2.6COMPARE and COUNT registers ...........................................................................17
2.7Configuration Registers ...........................................................................................17
3.1Overview .................................................................................................................20
3.2Prefetch unit ............................................................................................................20
3.3Decode unit .............................................................................................................20
3.4EX pipeline stage ....................................................................................................21
3.5Support for unaligned addresses ............................................................................22
3.6Forwarding hardware and hazard detection ............................................................22
3.7Event handling .........................................................................................................22
3.8Special concerns .....................................................................................................24
3.9Entry points for events .............................................................................................26
3.10Interrupt latencies ..................................................................................................37
3.11NMI latency ...........................................................................................................38
4.1Compliance .............................................................................................................40
4.2Operations ...............................................................................................................40
4.3Instruction set ..........................................................................................................42
AVR32
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