STV0681 datasheet(36/44 Pages) STMICROELECTRONICS

36 / 44 page

STV0681 pin description

STV0681

36/44

ADCS 7283313C

8.2

STV0681 pin description

Table 15: STV0681 pin listing

Pin no.

Signal

Type

Description

drive

Sensor Interface

SENSPWR

Output, active

high

Power-up Sensor

2mA

(SL)

SENSRST

Output, active low

Reset Sensor

2mA

(SL)

SCL

Input/Output

(OD,T)

Sensor serial interface

4mA

(SL)

SDA

Input/Output

(OD,T)

Sensor serial interface

4mA

(SL)

SD[3]

Input (S,T)

Sensor data

SD[2]

Input (S,T)

Sensor data

SD[1]

Input (S,T)

Sensor data

SD[0]

Input (S,T)

Sensor data

QCLK

Input (S,T)

Qualification clock from sensor

SENS_CLK

Output

Clock output to sensor

4mA

I/O and Camera Control pins

MODE

Debounced input

Push button (Wake-up/Mode)

SHUTTER

Debounced input

Push button (Shutter/Confirm)

FLASH_EN

Input

Enable Flash Exposure (Active High)

50/60_SEL

Input

S elect between 50Hz and 60Hz lighting

COMP_OUT

Input

Output from Audio Comparator

LED

Output (OD)

LED indicator

8mA

(SL)

AMP_ENABLE

Output, active low

(OD)

Audio Amplifier Enable

8mA

(SL)

FL_TRIG

Output, active low

(OD)

Flashgun trigger

8mA

(SL)

USB Interface

USBDET

Input (S)

Detect Power source from USB.

(For camera with RS232 only, this pin should be tied

to GND)

USB

specific

ation

V1.1

complia

nt I/O

DATA+

Input/Output

USB bus

(For camera with RS232 only, this pin should be

connected to test points to allow for USB production

test (lens focussing))

DATA-

Input/Output

USB bus.

(For camera with RS232 only, this pin should be

connected to test points to allow for USB production

test (lens focussing))

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