ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 26
![KIT DEV/EVAL FOR AVR32 AT32UC3A](/photos/9/20/92035/atevk1104_sml.jpg)
ATEVK1104
Manufacturer Part Number
ATEVK1104
Description
KIT DEV/EVAL FOR AVR32 AT32UC3A
Manufacturer
Atmel
Series
AVR®32r
Type
MCUr
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.ATEVK1104.pdf
(826 pages)
3.ATEVK1104.pdf
(90 pages)
4.ATEVK1104.pdf
(6 pages)
5.ATEVK1104.pdf
(12 pages)
Specifications of ATEVK1104
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT32UC3A3
Data Bus Width
32 bit
Interface Type
USB, SPI, USART
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
AVR UC3
Silicon Core Number
AT32UC3A3256
Silicon Family Name
AVR
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT32UC3A3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATEVK1104
Manufacturer:
Atmel
Quantity:
135
- ATAVRONE-PROBECBL PDF datasheet
- ATEVK1104 PDF datasheet #2
- ATEVK1104 PDF datasheet #3
- ATEVK1104 PDF datasheet #4
- ATEVK1104 PDF datasheet #5
- Current page: 26 of 826
- Download datasheet (20Mb)
9.3.3
9.3.3.1
9.3.3.2
32058J–AVR32–04/11
Processor States
Debug State
Normal RISC State
Figure 9-5.
The AVR32 processor supports several different execution contexts as shown in
page
Table 9-2.
Mode changes can be made under software control, or can be caused by external interrupts or
exception processing. A mode can be interrupted by a higher priority mode, but never by one
with lower priority. Nested exceptions can be supported with a minimal software overhead.
When running an operating system on the AVR32, user processes will typically execute in the
application mode. The programs executed in this mode are restricted from executing certain
instructions. Furthermore, most system registers together with the upper halfword of the status
register cannot be accessed. Protected memory areas are also not available. All other operating
modes are privileged and are collectively called System Modes. They have full access to all priv-
ileged and unprivileged resources. After a reset, the processor will be in supervisor mode.
The AVR32 can be set in a debug state, which allows implementation of software monitor rou-
tines that can read out and alter system information for use during application development. This
implies that all system and application registers, including the status registers and program
counters, are accessible in debug state. The privileged instructions are also available.
Bit 15
Priority
1
2
3
4
5
6
N/A
N/A
R
0
26.
T
0
0
-
Mode
Non Maskable Interrupt
Exception
Interrupt 3
Interrupt 2
Interrupt 1
Interrupt 0
Supervisor
Application
0
The Status Register Low Halfword
-
Overview of execution modes, their priorities and privilege levels.
0
-
0
-
0
-
0
-
0
-
Security
Privileged
Privileged
Privileged
Privileged
Privileged
Privileged
Privileged
Unprivileged
0
-
L
0
Q
0
V
0
Description
Non Maskable high priority interrupt mode
Execute exceptions
General purpose interrupt mode
General purpose interrupt mode
General purpose interrupt mode
General purpose interrupt mode
Runs supervisor calls
Normal program execution mode
N
0
Z
0
Bit 0
C
0
Bit name
Initial value
Carry
Zero
Sign
Overflow
Saturation
Lock
Reserved
Scratch
Register Remap Enable
AT32UC3A
Table 9-2 on
26
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