VV6501 datasheet(11/44 Pages) STMICROELECTRONICS

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ADCS 7283313C

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STV0681

Detailed Features

2.2.4

Piezo buzzer

An on-chip pulse width modulator (PWM) generates buzzer sounds to signal certain events. The

distinctive sounds are characteristic of the type of events indicated by the buzzer, as described here

below.

Camera has been ‘Woken up’ from standby mode (either by the user pressing a button, by re-

connecting the power source, or by connecting a USB/RS232 connection).

Camera has ‘gone to sleep’ that is moved into standby mode. Pictures are retained in memory.

Picture was taken successfully once the user had pressed the capture button.

Picture has NOT been taken when the user pressed the capture button because of insufficient

light, or because the exposure control was not ready following a rapid change of lighting in the

scene.

Picture has NOT been taken when the user pressed the capture button because the picture

counter had reached the maximum number of images. The user has the chance to reset the

counter if desired.

End of continuous capture in un-tethered ‘Continuous’ mode due to full memory.

Self-timer activated, count down has started.

2.2.5

Custom sounds

A camera which includes STV0681 and audio playback hardware can have a set of custom sounds

downloaded from a PC application. A different sound can be associated with each of the following

functions:

Table 2: List of custom sound functions

Power On

Power Off

Good picture

Bad picture

(Normally due to insufficient light)

Memory full

Self timer #1

Self timer #2

Low resolution

High resolution

Picture delete

Sound delete

Continuous clip delete

Clear memory

Confirm action

Low power

Flashgun ON

Flashgun OFF

Flashgun Trigger

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