High-
Performance
Digital Camera
Processor
AT76C112
Summary
Rev. 2372AS–DIGICAM–08/02
Features
• Baseline JPEG Compression/Decompression
Image Resize Engine
16-bit YC Digital Interface for CMOS Imager Input and Display Output
Compatible with Various Types of Display Devices
SDRAM Interface – Support from 16M Bits to 256M Bits
Support for all Flash Card Interfaces (Atmel DataFlash
®
, MMC, SD, SSFDC,
CompactFlash, Memory Stick)
USB and USART Interfaces for PC Camera Applications
4 Dedicated External Interrupts, Timer Clock Input and Wake-up Pin
Serial Interface for Controlling Camera Components
32 Pins for General-purpose I/O
Up to 2M Bytes Program Space
Support for RTOS
All Low-level Software, Application Samples are Provided
208-pin BGA Package
1.8-volt Core and 3.3-volt I/O Operation
Figure 1. Typical DSC Application Using AT76C112
MPix
AT76C112
SDRAM
SDRAM I/F GPIO
CDS
A/D
Serial
Camera
I/F
RS232
Port
(PC)
USART
USB (PC)
USB
• Digital Inputs
Control
Push Buttons
MMC/SPI/SD
SSFDC
DataFlash
Memory Stick
External
Memory I/F
Flash
Flash
SRAM
CompactFlash
Flash
Card
I/F
YC
I/F
From Imager/
To Display
1
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your
local Atmel sales office.