isd2548x Winbond Electronics Corp America, isd2548x Datasheet - Page 32
isd2548x
Manufacturer Part Number
isd2548x
Description
Single-chip, Multiple-messages, Voice Record/playback Device 32-, 40-, 48-, And 64-second Duration
Manufacturer
Winbond Electronics Corp America
Datasheet
1.ISD2548X.pdf
(42 pages)
In this simplified block diagram of a microcontroller application, the Push-Button Mode and message
cueing are used. The microcontroller is a 16-pin version with enough port pins for buttons, an LED,
and the ISD2500 series device. The software can be written to use three buttons: one each for play
and record, and one for message selection. Because the microcontroller is interpreting the buttons
and commanding the ISD2500 device, software can be written for any function desired in a particular
application.
Note: Winbond does not recommend connecting address lines directly to a microprocessor bus.
Address lines should be externally latched.
FIGURE 6: ISD2532/40/48/64 APPLICATION EXAMPLE – MICROCONTROLLER/ISD2500
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ISD2532/40/48/64
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