AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 128
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AT32UC3L0256
Manufacturer Part Number
AT32UC3L0256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L0128.pdf
(85 pages)
4.AT32UC3L0128.pdf
(852 pages)
Specifications of AT32UC3L0256
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
4
Lin
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3L0256-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL
Quantity:
270
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
9.5.4.4
32002F–03/2010
Program Trace Synchronization
Messages for taken indirect branches and exceptions include how many sequential bytes were
executed since the last taken branch or exception, and the unique portion of the branch target
address or exception vector address. The unique portion of the branch is found by doing an
exclusively or on the branch target and the last sent UADDR / FADDR. Additionally, the cause
of the indirect branch is identified through an Event ID packet. Operations causing indirect
branches and their corresponding EVT-ID are shown below.
Table 9-34.
Note that subrotine returns are often accomplished by a mov pc, lr, popm or ldm instruction with
PC included in the argument list. This generates an EVT-ID of 0 instead of 1..
Table 9-35.
This message is output by the PTU when any of the following conditions occurs:
Description
Exception entry
Subroutine call
Branch via register
contents
Return
Indirect Branch Message
Packet
Size (bits)
32
8
2
6
1. Upon exit from reset. This is required to allow the number of instruction units executed
2. When program trace is enabled during normal execution of the embedded processor.
3. Upon exit from a power-down state. This is required to allow the number of instruction
4. Upon exiting from Debug Mode.
5. An overrun condition had previously occurred in which one or more branch trace occur-
packet in a subsequent Program Trace Message to be correctly interpreted by the tool.
units executed packet in a subsequent Program Trace Message to be correctly inter-
preted by the tool.
rences were discarded by the target processor’s debug logic.To inform the tool that an
overrun condition occurred, the target outputs an Error Message (TCODE = 8) with an
Packet
Name
U-ADDR
I-CNT
EVT-ID
TCODE
Operations causing indirect branch messages
Indirect branch message without sync
Packet
Type
Variable
Variable
Fixed
Fixed
Operation
Any mov (except mov pc, lr) or load (except popm/ldm) with
PC as destination.
Any arithmetic instruction with PC as destination.
ret{cond4}, rete, rets, retj, (mov pc, lr), popm/ldm loading
PC
Exception, interrupts (0 to 3), NMI, entry to Debug Mode
acall, icall, mcall, jcall, scall, rcall instruction
Description
The unique portion of the branch target address for a taken
indirect branch or exception. Most significant bits that have a
value of 0 are truncated.
Number of bytes executed since the last taken branch.
Cause of indirect branch:
3: Exception entry
2: Call
1: Branch via register contents
0: Return
Value = 4
Direction: From target
AVR32
EVT-ID
3
2
1
0
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