STV-674 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

STV-674

Tri-mode CMOS digital camera co-processor

STMicroelectronics 

STV0674 Application Examples

3.2 Tri-mode camera

STV0674

3.2.1

Overview

Applications with the tri-mode camera based on STV0674 range from low-cost cameras containing

an icon LCD status display, microphone/speaker and small SDRAM chip (for example 16Mbit), to an

enhanced feature set camera containing a graphical image LCD display for image review, flashgun,

audio record/playback, NAND flash on the PCB and a SmartMedia flash memory socket.

3.2.2 Application diagram

Figure 2: Application diagram when using STV0674 as tri-mode camera

Lens + IR Filter

CMOS Sensor

CIF or VGA

STV0674 100TQFP

Image

Array

Video

5 Processor

Video

Compression

USB

Interface

OEM

Flashgun

Module

Microphone

Flash

Enable/

Trigger

Audio Playback

POWER OR

AMP

Buzzer

Audio

Interface

Micro

Processor

Embedded

Memory

(not for image store)

LCD Interface

External

Memory

Interface

Buttons

Interface

Memory

USB Cable NAND

to Host PC FLASH

SDRAM

BOOT

+ EE-

x16 or x8 -PROM

EEPROM only required

if no NAND Flash

SmartMedia

Removable

SOCKET Flash card

User Interface

Buttons/

Switches

LCD

Driver

Chip

QUALITY

PICTURES

SECONDS

MBYTES

HIGH

MED

LOW

LCD Status Icon Display

LCD

Driver

Chip

OR

23 PICS

640x480

LCD Image Display

10/35

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