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Product Contacts
Technical Support
www.atmel.com/products/AT91CAP
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Web Site
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© 2008 Atmel Corporation.
All rights reserved.
Atmel®, logo and combinations thereof,
and others, are registered trademarks,
CAPTM and others are trademarks of
Atmel Corporation or its subsidiaries.
ARM®, ARM7TDMI®, and others are
registered trademarks or trademarks
of ARM Ltd. Other terms and product
names may be trademarks of others.
REV.: 860/8543A-06/08/1K
Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with
the sale of Atmel products. ExCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY ExPRESS, IMPLIED OR
STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL
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contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications
intended to support or sustain life.
Atmel provides FPGA logic that decodes and encodes the bus traffic that flows between the FPGA and
the AT91CAP7E microcontroller. The logic blocks inside the FPGA are connected to the AT91CAP7E via
the AHB master and slave channels.
The AT91CAP7E is a standard microcontroller with an FPGA interface that makes the FPGA look and work
like it is on the internal bus on the MCU. Customers who are considering the AT91CAP7 customizable
MCU for their designs, frequently need a two-chip, no-NRE, FPGA-plus ARM7 solution as they are
gaining market momentum. The AT91CAP7E provides such a solution and offers an engineering-free
migration path to a lower cost, lower power customizable MCU when volume justifies it. The AT91CAP7E
is available in a 225 LFBGA package (13 x 13 x 1.4mm).
AT91CAP7 Customizable MCUsAtmel’s AT91CAP7 customizable MCU is an ARM7-based microcontroller with a metal-programmable
(MP) block with 450K gates or the equivalent of 56K FPGA logic cells (LC). Any functionality that has
been implemented in an FPGA may be migrated directly to a CAP7 device with no special EDA tools
or customer-side engineering. Standard FPGA software tools are all that is necessary to implement
functions such as LCD controllers, DSP algorithms (e.g. GPS correlators, FFTs, FIR filters), and proprietary
customer IP. A AT91CAP7 implementation delivers as much as 8X better performance, consumes 98%
less static power, and costs about 30% less than the FPGA-plus-MCU implementation. The AT91CAP7
is available in multiple packages.
USB
PDC
256K ROM
POR
GPBR
POR
RTT
PIT
WDT
PLL
PLL
SHWDC
OSC
32K
AIC
PMC
Main
OSC
ICE
JTAG
AHB/APB Bridge
6-layer AHB Matrix
INTERFACE
FPGA
AHB/APB Bridge
CUSTOM MP
ARM7TDMI
Additional NON-AHB/APB Logic
FPGA
Seamless FPGA Interface
CAP7E to FPGA Interface
CAP7E
HZBT
AHBs
Dedicated
FPGA I/F
2 AHB Masters
4 AHB Slaves
14 APBs Slaves
2 PDC Channels
CAP7E-Ctrol
96KB SRAM
64KB SRAM
FPGA
INTERFACE
SRAM
SRAM
USB
FIFO
POR POR
ADC PLLB LFT
OSC
PLLA
Battery
USB Tranceiver
OSC32
ARM
ROM
ROM
MP
RAM
MP
RAM
FPGA Interface
EBI
Peripheral DMA
Controller
SPI
PIO
TIMERS
USART
USART
ADC
IRQ
SRAM