ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1014
ATSAM3U-EK
Manufacturer Part Number
ATSAM3U-EK
Description
KIT EVAL FOR AT91SAM3U CORTEX
Manufacturer
Atmel
Type
MCUr
Datasheets
1.ATSAM3U-EK.pdf
(2 pages)
2.ATSAM3U-EK.pdf
(61 pages)
3.ATSAM3U-EK.pdf
(1171 pages)
4.ATSAM3U-EK.pdf
(53 pages)
Specifications of ATSAM3U-EK
Contents
Board
Processor To Be Evaluated
SAM3U
Data Bus Width
32 bit
Interface Type
RS-232, USB
Operating Supply Voltage
3 V
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex - M3
Silicon Core Number
SAM3U4E
Silicon Family Name
SAM3U
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT91SAM3U
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U-EK
Manufacturer:
Atmel
Quantity:
10
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40.2
Figure 40-1. DMA Controller (DMAC) Block Diagram
40.3
40.3.1
1014
Block Diagram
Functional Description
Datapath Bundles
SAM3U Series
DMAC Read
Basic Definitions
DMA FIFO Controller
DMA FIFO
DMA Global Control
DMAC Channel 0
and Data Mux
DMAC Channel 0
Write data path
to destination
DMAC Channel 0
Read data path
from source
Source peripheral: Device on an AMBA layer from where the DMAC reads data, which is then
stored in the channel FIFO. The source peripheral teams up with a destination peripheral to form
a channel.
Destination peripheral: Device to which the DMAC writes the stored data from the FIFO (previ-
ously read from the source peripheral).
Memory: Source or destination that is always “ready” for a DMAC transfer and does not require
a handshaking interface to interact with the DMAC.
Channel: Read/write datapath between a source peripheral on one configured AMBA layer and
a destination peripheral on the same or different AMBA layer that occurs through the channel
Datapath Bundles
DMAC Channel 1
DMAC Write
DMAC Channel 2
DMAC AHB Lite Master Interface
DMAC Channel n
DMAC Destination
Control State Machine
Destination Pointer
Management
DMAC Source
Control State Machine
Source Pointer
Management
AMBA AHB
DMA Destination
Request Arbiter
DMA Global
Requests Pool
DMA Source
Trigger Manager
External
Triggers
Soft
Triggers
APB Interface
Status
Registers
Configuration
Registers
DMAC Interrupt
Controller
DMAC
REQ/ACK
Interface
6430D–ATARM–25-Mar-11
DMAC Interrupt
DMAC
Hardware
Handshaking
Interface
DMAC
APB
Interface
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