APR6016 Aplus Integrated circuits Inc., APR6016 Datasheet - Page 15

• Manufacturer Part Number: APR6016
• Description: Recording & Playback Voice Ic
• Manufacturer: Aplus Integrated circuits Inc.

Sample Application
Figure 15 shows a sample application utilizing a
generic microcontroller and SPI interface for
message management.
The microcontroller uses three general-purpose
inputs for the play, record and skip buttons. Five
general purpose I/O signals are utilized in the SPI
interface. The /RESET and /BUSY signal are not
used in this design.
The output signal must be amplified in order to
Figure 15 Sample Schematic using PDIP package
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INTEGRATED CIRCUITS INC.--
15
drive a Speaker. Several vendors supply
integrated speaker amplifiers that can be used for
this purpose. A microphone amplifier and AGC are
recommended. Both blocks are optional. Several
vendors supply integrated microphone/AGC
amplifiers that can be used for this purpose.
Note that the AGC circuit can be simplified by
using the SQLCAP signal as a peak detector
Signal.
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APR6016
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