Description

The AT76C110 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

It 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, DMA access to SDRAM and video encoding. All these computation-intensive functions are implemented in hardware which can be programmed according to user specifications, thus allowing ARM to be free for other user-defined functions.

Features

• 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®, MMC, SSFDC, Compact Flash)

• Integrated DACs for LCD

• USB and USART Interfaces for PC Camera Applications

• Small-Segment LCD Driver

• 32 Pins for General-purpose I/O

• 5 External Interrupts, Timer Clock Input and Wake-up Pin

• DACs for Camera Control Functions and Audio Output

• ADCs for Monitoring Camera Analog Inputs, Audio Input and Switch Input, Like Window Comparator

• Serial Interface for Controlling Camera Components

• 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 and RGB Analog Output

• Compatible with Various Types of Display Devices

• SDRAM Support from 16M Bits to 256M Bits

• Direct Interface to Epson and UNIPAC LCDs

• 280-pin FlexBGA Package

• 3.3-volt Core and I/O Operation