STV0674 Application Examples

STV0674

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3.2

Tri-mode camera

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

LCD

LCD Image Display

NAND

FLASH

LCD Status Icon Display

SmartMedia

Flash card

SOCKET

Driver

SDRAM

x16 or x8

Audio Playback

POWER

AMP

Buzzer

CMOS Sensor

CIF or VGA

Lens + IR Filter

5

USB

Interface

Memory

Interface

Processor

Embedded

Memory

Microphone

to Host PC

OR

Video

Processor

Video

Compression

Micro

(not for image store)

Audio

Interface

External

USB Cable

Removable

Chip

OR

Memory

STV0674 100TQFP

User Interface

Buttons/

Switches

LCD Interface

Buttons

Interface

Image

Array

+

BOOT

EE-

-PROM

Flash

Flashgun

Module

Enable/

Trigger

OEM

MBYTES

PICTURES

SECONDS

HIGH

MED

LOW

QUALITY

LCD

Driver

Chip

EEPROM only required

if no NAND Flash

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