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aP8921A Datasheet PDF

APLUS aP8921A

VOICE OTP

Part No. aP8921A
Datasheet aP8921A Download
Manufacturer
APLUS
Description VOICE OTP
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aP8921A datasheet page 1 preview

FEATURES

● Standard CMOS process.
● Embedded 512K/256K bits EPROM.
● 21/10 sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.
● Maximum 12 voice groups.
● Combination of voice blocks to extend playback duration.
● 960 table entries are available for voice block combinations.
● User selectable PCM or ADPCM data compression.
● Two triggering modes are available (EPROM programmable options). - Key Trigger Mode – Combinations of S1 ~ S4 to trigger 12 Voice Groups; SBT sequential trigger is possible. - CPU Parallel Trigger Mode – Combinations of S1 ~ S4 with SBT goes HIGH to strobe start the voice playback.
● Voice Group Trigger Options: Edge / Level; Hold / Un-hold; Retrigger / Non-retrigger.
● Whole Chip Options: Ramp / No-ramp; Output Options; Key / CPU trigger mode.
● 16ms (@ 8KHz sampling rate) Debounce Time in Key Trigger Mode.
● 65us (@ 8KHz sampling rate) Debounce Time in CPU Parallel Trigger Mode.
● RST pin set to HIGH to stop playback at once.
● Two user programmable outputs for STOP pulse, BUSY signal and flashing LED.
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