STV0681
Table of Contents
Chapter 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Digital camera chipset ..........................................................................................................5
Key system features .............................................................................................................6
1.1
1.2
Chapter 2
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
2.1
2.2
2.3
2.4
2.5
2.6
Chapter 3
Camera Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Modes available .................................................................................................................15
Description of modes .........................................................................................................16
3.1
3.2
Chapter 4
4.1
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
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
Chapter 5
Customising the STV0681 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
External EEPROM .............................................................................................................27
EEPROM data format ........................................................................................................28
Programming the EEPROM ...............................................................................................28
5.1
5.2
5.3
2/44
ADCS 7283313C
STMICROELECTRONICS [ ST ]
