AP89341 Standard CMOS process printed circuit board tv circuit boards

 FEATURES

· Standard CMOS process.

· Embedded 8M/4M/2M EPROM.

· 341/170/85 sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.

· Maximum 254 voice groups.

·Combination of voice blocks to extend playback duration.

· 7680 table entries are available for voice block combinations.

· User selectable PCM or ADPCM data compression

DESCRIPTION

aP89341/170/085 series high performance Voice OTP is fabricated with Standard CMOS process with embedded 8M/4M/2M bits EPROM. It can store up to 341/170/85 sec voice message with 4-bit ADPCM compression at 6KHz sampling rate. 8-bit PCM is also available as user selectable option. Three trigger modes, simple Key trigger mode, Parallel CPU trigger mode and CPU serial command mode, facilitate different user interface. User selectable triggering and output signal options provide maximum flexibility to various applications. Built-in resistor controlled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize the number of external components. PC controlled programmer and developing software are available.

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