AT32UC3A0256 Atmel Corporation, AT32UC3A0256 Datasheet - Page 375
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AT32UC3A0256
Manufacturer Part Number
AT32UC3A0256
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 AT32UC3A0256
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
109
Ext Interrupts
109
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
External Bus Interface
1
Dram Memory
sdram
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:
AT32UC3A0256-ALUT
Manufacturer:
ATMEL
Quantity:
167
Table of contents
32000D–04/2011
1
2
3
4
5
6
Feature Summary...................................................................................... 1
Introduction .............................................................................................. 2
Programming Model ................................................................................ 5
Java Extension Module ......................................................................... 27
Secure state ............................................................................................ 31
Memory Management Unit .................................................................... 35
Memory Protection Unit ........................................................................ 51
1.1
1.2
1.3
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
3.1
4.1
4.2
4.3
5.1
5.2
5.3
6.1
6.2
6.3
The AVR family ..................................................................................................2
Microarchitectures .............................................................................................4
Data Formats .....................................................................................................5
Data Organization ..............................................................................................5
Instruction Organization .....................................................................................6
Processor States ...............................................................................................7
Entry and Exit Mechanism .................................................................................8
Register File ......................................................................................................8
The Stack Pointer ............................................................................................10
The Program Counter ......................................................................................11
The Link Register ............................................................................................11
The Status Register .........................................................................................11
System registers ..............................................................................................14
Recommended Call Convention ......................................................................26
The AVR32 Java Virtual Machine ....................................................................27
Mechanisms implementing the Secure State ..................................................31
Secure state programming model ...................................................................32
Details on Secure State implementation .........................................................33
Memory map in systems with MMU .................................................................35
Understanding the MMU ..................................................................................37
Operation of the MMU and MMU exceptions ..................................................47
Memory map in systems with MPU .................................................................51
Understanding the MPU ..................................................................................51
Example of MPU functionality ..........................................................................55
The AVR32 Microprocessor Architecture .........................................................2
AVR32
i