ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 22
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: 22 of 826
- Download datasheet (20Mb)
9.2.1
32058J–AVR32–04/11
Pipeline Overview
A local bus interface is provided for connecting the CPU to device-specific high-speed systems,
such as floating-point units and fast GPIO ports. This local bus has to be enabled by writing the
LOCEN bit in the CPUCR system register. The local bus is able to transfer data between the
CPU and the local bus slave in a single clock cycle. The local bus has a dedicated memory
range allocated to it, and data transfers are performed using regular load and store instructions.
Details on which devices that are mapped into the local bus space is given in the device-specific
“Peripherals” chapter of this data sheet.
Figure 9-1 on page 22
Figure 9-1.
AVR32 UC is a pipelined processor with three pipeline stages. There are three pipeline stages,
Instruction Fetch (IF), Instruction Decode (ID) and Instruction Execute (EX). The EX stage is
split into three parallel subsections, one arithmetic/logic (ALU) section, one multiply (MUL) sec-
tion and one load/store (LS) section.
Instructions are issued and complete in order. Certain operations require several clock cycles to
complete, and in this case, the instruction resides in the ID and EX stages for the required num-
ber of clock cycles. Since there is only three pipeline stages, no internal data forwarding is
required, and no data dependencies can arise in the pipeline.
Figure 9-2 on page 23
Instruction memory controller
High Speed Bus master
Overview of the AVR32UC CPU
system
displays the contents of AVR32UC.
shows an overview of the AVR32 UC pipeline stages.
OCD
AVR32UC CPU pipeline
MPU
master
Speed
High
Bus
Data memory controller
Bus slave
Speed
High
CPU Local
Power/
control
Reset
master
Bus
AT32UC3A
22
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