STV0681 데이터 시트보기 (PDF) - STMicroelectronics

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STV0681

DUAL-MODE DIGITAL CAMERA CO-PROCESSOR

STMicroelectronics 

Table of Contents

STV0681

Chapter 1

1.1

1.2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Digital camera chipset .......................................................................................................... 5

Key system features ............................................................................................................. 6

Chapter 2

2.1

2.2

2.3

2.4

2.5

2.6

Detailed Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Sensor type and image formats ........................................................................................... 9

User interface ..................................................................................................................... 10

Battery level detect and USB auto-switch .......................................................................... 12

Audio record and playback ................................................................................................. 12

PC interface options and software support ........................................................................ 13

Anti-flicker exposure and gain control ................................................................................ 14

Chapter 3

3.1

3.2

Camera Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Modes available ................................................................................................................. 15

Description of modes ......................................................................................................... 16

Chapter 4

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

4.10

STV0681 Hardware Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Sensor interface ................................................................................................................. 18

Memory interface ............................................................................................................... 18

USB interface ..................................................................................................................... 21

UART module for RS232 interface ..................................................................................... 22

Power management and battery type ................................................................................ 23

Quartz crystal ..................................................................................................................... 24

Numeric LCD interface ....................................................................................................... 24

Switches and LED’s ........................................................................................................... 25

Flashgun hardware interface .............................................................................................. 26

IR filter ................................................................................................................................ 26

Chapter 5

5.1

5.2

5.3

Customising the STV0681 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

External EEPROM ............................................................................................................. 27

EEPROM data format ........................................................................................................ 28

Programming the EEPROM ............................................................................................... 28

2/44

ADCS 7283313C

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