鈥?/div>
DSP Functions for CCD/CMOS Image Processing
Video Encoder Including Line Driver for NTSC/PAL TV Signal
Baseline JPEG Compression/Decompression
SDRAM Interface
Support for all Flash Card Interfaces (Atmel DataFlash
廬
, MMC, SD, SSFDC,
CompactFlash)
USB and USART Interfaces for PC Camera Applications
32 Pins for General-purpose I/O
Five External Interrupts, Timer Clock Input and Wakeup Pin
DACs for Camera Control Functions and Audio Output
ADC Channels for Monitoring Camera Analog Inputs, Audio Input and Switch Input,
Like Window Comparator
Serial Interface for Controlling Camera Components
Hardware Up to 2M Bytes Program Space
Support for RTOS
All Low-level Software, Application Samples are Provided
Built-in Outputs Include a CVBS Output with a Line Driver, YC16-bit Digital Output,
RGB 565 Digital Output, Digital Composite Output
Compatible with Various Types of Display Devices
SDRAM Support from 16M Bits to 256M Bits
Direct Interface to Epson LCDs
280-pin FlexBGA Package
1.8-volt Core and 3.3V I/O Operation
High-
Performance
Digital Camera
Processor
AT76C111
Figure 1.
Typical DSC Application Using AT76C111
鈥?Digital Inputs
鈥?Control
鈥?Push Buttons
GPIO
DAC
with
L.D.
Summary
SDRAM
SDRAM I/F
CCD
CCD
I/F
TV
鈥?Iris Control
鈥?Shutter Motor
鈥?Lens Motor
鈥?Flash Bulb Control
鈥?AGC Gain
鈥?Voice Output
鈥?Battery-level Check
鈥?Photo Detection (AE)
鈥?Focus Sensor
鈥?Voice Input
CDS
A/D
RS232
Port
(PC)
USB (PC)
Serial
Camera
I/F
DACs
USART
ADC
USB
External
Memory I/F
鈥?Flash
鈥?SRAM
鈥?CF
Flash
Card
I/F
鈥?MMC/SPI/SD
鈥?SSFDC
鈥?DataFlash
Flash
Rev. 2334AS鈥揑MAGE鈥?8/02
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your
local Atmel sales office.
1
1
2
3
