ISD1420SI Nuvoton Technology Corporation of America, ISD1420SI Datasheet - Page 12

• Manufacturer Part Number: ISD1420SI
• Description: IC VOICE REC/PLAY 20SEC 28-SOIC
• Manufacturer: Nuvoton Technology Corporation of America
• Series: ISD1400r

Specifications of ISD1420SI

• Interface: Pushbutton
• Filter Pass Band: 2.6kHz
• Duration: 20 Sec
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A0
A1
A2
A3
A4
A5
A1 – Delete EOM Markers
The A1 Operational Mode allows recording messages sequentially and playback as a single message
with only one EOM set at the end of the final message.
A2 – Unused
A3 – Message Looping
The A3 Operational Mode allows repeating playback a message continuously from the beginning of
the memory. A message can completely fill the ISD1400 device and will loop from beginning to end.
Pulsing PLAYE will start the playback and pulsing PLAYL will end the playback.
A4 – Consecutive Addressing
During normal operation, the address pointer will reset when a message is played through to an
recorded or played back consecutively. When the device is in a static state; i.e., not recording or
playback, momentarily taking this pin LOW will reset the address counter to zero.
A5 – Unsued
1
EOM marker. The A4 Operational Mode inhibits the address pointer reset, allowing messages to be
Mode
Additional Operational Modes can be used simultaneously with the given mode.
Message cueing
Delete EOM markers
Unused
Looping
Consecutive
addressing
Unused
Function
TABLE 3: OPERATIONAL MODES
Fast-forward through messages
Position EOM marker at the end of
the last message
Continuous playback from Address 0
Record/playback multiple consecutive
messages
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Typical Use
ISD1400 SERIES
A4
A3, A4
A1
A0, A1
Jointly Compatible
[1]