AT76C113-U Просмотр технического описания (PDF) - Atmel Corporation
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AT76C113-U Datasheet PDF : 4 Pages
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Description
Part Versions
The AT76C113 is a highly integrated solution for digital cameras. It combines a number
of functions that are required in implementing digital cameras.
• Image data acquisition and capturing from either CCD or CMOS imagers
• Image display
• Image processing and image storing
• Overall camera management
• Control of general-purpose I/O functions
• Data communication
• Control of user functions
• On-screen Display
AT76C113 also provides a large number of interfaces that allow camera manufacturers
to directly access a variety of devices that may be present in a digital camera.
• Communication with PCs
• Communication with Flash cards
• Serial communication ports for controlling other devices in the camera
The design is based on an ARM® microprocessor that controls the entire chip. A number
of hardware resources, controlled by ARM, perform digital camera functions such as
image DSP processing, JPEG coding/decoding, MPEG-1 coding/decoding, DMA
access to SDRAM, and video encoding. All these computationally-intensive functions
are implemented in hardware which can be programmed according to user specifica-
tions, thus allowing ARM to be free for other user-defined functions.
The AT76C113 device comes in six versions, each with slightly different features. These
are summarized in Table 1. In the rest of this document, the AT76C113-HU part is
discussed.
Table 1. AT76C113 Part Versions
Part Number
Maximum Imager
Resolution (Pixels)
AT76C113-S
< 2M
AT76C113-U
< 2M
AT76C113-H
> 2M
AT76C113-HU
> 2M
AT76C113-P
> 2M
AT76C113-PU
> 2M
Maximum SDRAM
Size (Mbytes)
128
128
512
512
512
512
USB Functionality
Slave Only
Slave and Host
Slave Only
Slave and Host
Slave Only
Slave and Host
2 AT76C113
2391BS–IMAGE–05/03
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