ISD1600B SERIES

- 10 -

at the end of the message. During a record cycle, the device powers down immediately after

REC

is released to High.

6.2.1. Record a Message

memory is filled up. Then an End-of-Message (EOM) marker is written at the end of message,

enabling a subsequent playback cycle to terminate appropriately. Hence, the device

automatically enters into standby mode.

cycle, the playback immediately halts and recording starts from the beginning of the memory.

6.2.2. Edge-trigger Playback

going signal exceeding the specified debounced time. Playback continues until an EOM

marker is encountered. Upon completion of a playback cycle, the device automatically enters

into standby mode.

During playback, a subsequent low going signal will terminate the current playback operation.

Holding this pin Low after playback operation will increase standby current consumption.

6.2.3. Level- trigger Playback

beginning of the memory until either an EOM marker is reached, then it automatically powers

down.

immediately and the device enters into the power-down mode.

6.2.4. LED Operation

during playback, the LED blinks a few times per second to indicate a playback operation. It

returns to a High when operation stops.

flexibility to choose different sampling frequency, up to 12 KHz, depending upon the needs.

This feature allows frequency shifting where a recorded audio can be played back faster or

slower than normal for special sound effects.

stop playback momentarily, and to resume when the resistor is switched back to ground.