AT43DK320A Atmel, AT43DK320A Datasheet - Page 2

• Manufacturer Part Number: AT43DK320A
• Description: KIT DEV USB HUB/EMBD AT43USB320A
• Manufacturer: Atmel

Specifications of AT43DK320A

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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for the use of its products, other than
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2332B–09/02/15M
®
, AVR
®
and AVR Studio
R
®
USB
are the
The 64K x 16 Flash (AT49F1025) with
a maximum access time of 55 ns
configures the AT43USB320A as a
compound device with up to four
downstream ports and one embedded/
permanently attached port. The
external downstream ports have
individual overcurrent protection and
power switching. The LEDs indicate the
status of the external ports.
The AT43USB320A automatically
resets as the board powers up.
There are three switches on the board.
SW1 is used to disable/enable ports 1
and 2 and SW2 for ports 3 and 4.
Therefore, SW1 and SW2 will allow
AT43USB320A to be configured as a
compound device or function only.
SW3 is used to disable/enable the
LED’s status operation.
Data Bus
16-bit
External Flash
AT43USB320A
Upstream
64K x 16
to Host
T
HE
AT43DK320A D
Address Bus
16-bit
EVELOPMENT
The Flash already contains the code
for USB hub, which occupies about 8K
of code.
Included in the AT43DK320A
Development Kit:
•
•
•
•
•
•
•
•
AVR Studio
Instruction Set
AT43USB320A and
AT90S8515 Datasheets
Source Code for an Embedded
Function and USB Hub Library
Routines
USB Hub Firmware Already
Programmed In
Bill of Materials
Complete Schematics
Gerber Files
USB Cable
Downstream
Downstream
Downstream
Downstream
Port 1
Port 2
Port 3
Port 4
K
IT
®
and AVR