AT91RM3400-DK Atmel, AT91RM3400-DK Datasheet - Page 395
![KIT DEV FOR AT91RM3400](/photos/9/21/92145/at91rm3400-dk__bottom__sml.jpg)
AT91RM3400-DK
Manufacturer Part Number
AT91RM3400-DK
Description
KIT DEV FOR AT91RM3400
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91RM3400-DK.pdf
(461 pages)
2.AT91RM3400-DK.pdf
(2 pages)
3.AT91RM3400-DK.pdf
(25 pages)
Specifications of AT91RM3400-DK
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT91RM3400
Data Bus Width
32 bit
Interface Type
RS-232, USB
For Use With/related Products
AT91RM3400
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 395 of 461
- Download datasheet (6Mb)
USB Device Port (UDP)
Overview
1790A–ATARM–11/03
The USB Device Port (UDP) is compliant with the Universal Serial Bus (USB) V2.0 full-speed
device specification. It is designed to be associated with Atmel’s embedded USB transceiver
and interfaced with an
The number and size of endpoints is product-dependent. Each endpoint is associated with
one or two banks of a dual-port RAM used to store the current data payload. If two banks are
used, one DPR bank is read or written by the processor, while the other is read or written by
the USB device peripheral. This feature is mandatory for isochronous endpoints. Thus the
device maintains the maximum bandwidth (1M bytes/s) by working with endpoints with two
banks of DPR.
Suspend and resume are automatically detected by the USB device, which notifies the pro-
cessor by raising an interrupt. Depending on the product, an external signal can be used to
send a wake-up to the USB host controller.
The main features of the UDP are:
•
•
•
•
•
USB V2.0 Full-speed Compliant, 12 Mbits per second
Embedded USB V2.0 Full-speed Transceiver
Embedded Dual-port RAM for Endpoints
Suspend/Resume Logic
Ping-pong Mode (2 Memory Banks) for Isochronous and Bulk Endpoints
ARM7TDMI and ARM9TDMI core
.
AT91RM3400
395
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