AT76C113-H [ATMEL]
High- Performance Digital Camera Processor; 高性能数码相机处理器型号: | AT76C113-H |
厂家: | ATMEL |
描述: | High- Performance Digital Camera Processor |
文件: | 总4页 (文件大小:37K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Features
• DSP Functions for CCD/CMOS Image Processing
• Baseline JPEG Compression/Decompression
• MPEG-1 Encode/Decode at 24 fps QVGA
• Compatible with Various Types of Display Devices
• Video Encoder Including Line Driver for NTSC/PAL TV Signal
• Integrated DACs for LCD Interface
• Direct Interface to Epson® and AU LCDs
• Digital Outputs Include: Composite, 16-bit YC, RGB 565
• SDRAM Interface – Supports from 16M Bits to 256M Bits
• Unified Memory Architecture (All Program and Data Stored in SDRAM)
• Support for Most Flash Card Interfaces (Atmel DataFlash®, MMC, SD, SSFDC, Memory
Stick™)
• USB 1.1 Host/Slave Controller and USART Interfaces for PC Camera and Printing
Applications
• Up to Nine External Interrupts and Wake-up Pin
• Serial Peripheral Interface for Loading Boot Code and Controlling Camera
Components
High-
Performance
Digital Camera
Processor
• Two DACs for Camera Control Functions and Audio Output
• Four ADC Channels for Monitoring Camera Analog Inputs, Audio Input, Switch Input,
Etc.
AT76C113
Summary
• Audio Data Interface for Connection to External Stereo ADC/DAC
• Three General-purpose Timers for Waveform Generation (PWM, Etc.) and Event
Monitoring
• Up to 62 Pins for General-purpose I/O
• Up to 2M Bytes Program Space
• Support for RTOS
• All Low-level Software, Application Samples are Provided
• 208-ball BGA Package
• 1.8-Volt Core and 3.3V I/O Operation
Figure 1. Typical DSC Application Using AT76C113
Program
Flash
(Optional)
• Digital Inputs
• Control
• Push Buttons
SDRAM
DAC
with
L.D.
GPIO,
Timers,
INT
Memory I/F
TV
CCD
I/F
CCD
RGB
DAC
LCD
• Serial EEPROM
• CDS A/D
SPI
• Timing Generator
• Iris Control
• Shutter Motor
• Lens Motor
• Flash Bulb Control
• AGC Gain
DACs
ADC
RS232
Port (PC)
USART
USB
• Voice Output
• Battery-level Check
• Photo Detection (AE)
• Focus Sensor
USB Host
and Slave
Peripherals
Flash
Card
I/F
• Voice Input
• MMC/SD
• SSFDC
• DataFlash
• Memory Stick
Rev. 2391BS–IMAGE–05/03
Note: This is a summary datasheet. A complete document is available
under NDA. For more information, please contact your local Atmel Sales
Office.
Description
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.
Part Versions
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
Maximum Imager
Resolution (Pixels)
Maximum SDRAM
Size (Mbytes)
Part Number
AT76C113-S
AT76C113-U
AT76C113-H
AT76C113-HU
AT76C113-P
AT76C113-PU
USB Functionality
Slave Only
< 2M
< 2M
> 2M
> 2M
> 2M
> 2M
128
128
512
512
512
512
Slave and Host
Slave Only
Slave and Host
Slave Only
Slave and Host
2
AT76C113
2391BS–IMAGE–05/03
AT76C113
Capabilities
•
•
•
•
•
•
•
•
•
Supports up to 16-megapixel CCDs/CMOS (10 - 35 MHz CCDs)
CCD colors are limited to the Bayer arrangements of the RGB primary colors
Interfaces to 16 - 256-Mbit SDRAM, one or two pieces
30 frames/sec video display mode (NTSC)
30 frames/sec capture mode (VGA resolution)
24 frames/sec MPEG-1 encode/decode (QVGA resolution)
Up to 1.5M bytes/sec read/write from/to Flash cards
2M bytes external Flash ROM for program space
Full-speed USB 1.1 Host/Slave Controller (mass storage and image class for slave
operation)
•
•
Maximum 70 mA current in normal operation
1 - 5 mA in standby mode, < 100 µA current in sleep mode
3
2391BS–IMAGE–05/03
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e-mail
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Web Site
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Disclaimer: Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard
warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any
errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and
does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are
granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use
as critical components in life support devices or systems.
© Atmel Corporation 2003. All rights reserved. Atmel® and combinations thereof, DataFlash® are the
registered trademarks of Atmel Corporation or its subsidiaries. Epson® is the registered trademark of Seiko
Epson Corporation (SEC). ARM® is a registered trademark and ICEbreaker™is a trademark of Advanced Risc
Machines Ltd. Memory Stick™ is a trademark of Sony Electronics Inc.
Printed on recycled paper.
Other terms and product names may be the trademarks of others.
2391BS–IMAGE–05/03
xM
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