VOICE CHIPS, VOICE IC, VOICE OTP, OTP, INTEGRATED CIRCUIT, ONE TIME PROGRAMMABLE IC, IC DESIGN, SPEECHIC, SOUND IC :aP8942A; aP8921A & aP8910A
aP8942A high performance one time programmable chip is fabricated with Standard CMOS process with embedded 1M bits EPROM. It can store up to 42sec voice message with 4bit ADPCM compression at 6KHz sampling rate. 8-bit PCM is also available as user selectable option. Two trigger modes, simple Key trigger mode and Parallel CPU trigger mode facilitate different user interface. User selectable triggering and output signal options provide maximum flexibilitiy to various applications. Built-in resistor comtrolled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize the number of external components. PC controlled programer and developing software are available.
- aP8942A-Embedded 1M bits EPROM.
- aP8921A-Embedded 512K bits EPROM.
- aP8910A-Embedded 256K bits EPROM.
- 42/21/10 sec Voice Length at 6Khz samplingand 4-bit ADPCM compression.
- aP8942A-Maximum 32 voice groups.
- aP8921A & aP8910A-Maximum 12 voice groups.
- User selectable PCM or ADPCM data compression.
- aP8942A Two triggering modes are available(EPROM programmable options)
- -Key Trigger Mode-Combinations of S1~S8 to trigger 32 Voice Groups; SBT sequential trigger is possible.
- -CPU Parallel Trigger Mode-Combinations of S1~S5 with SBT goes HIGH to strobe start the voice playback.
- aP8921A & aP8910A-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 for both Key and CPU Trigger Mode.
- RST pin set to HIGH to stop playback at once.
- Two user programmable outputs for STOP pulse, BUSY signal and flasing LED.
- Built-in oscillator to control sampling frequency with an external resistor.
- 2.6V~5.0V; Wide range single power supply and < 5uA low stand-by current.
- PWM Vout1 and Vout2 drive speaker directly.
- D/A COUT to drive speaker through an external BJT.
- Integrated circuit, ic design, speech ic.
| PART NO. | SECONDS | PHRASE | TG PIN | FUNCTION | PDIP |
|---|---|---|---|---|---|
| aP8942A | 42 | 32 | 8 | OPTIONAL | 20 |
| aP8921A | 21 | 12 | 4 | OPTIONAL | 16 |
| aP8910A | 10 | 12 | 4 | OPTIONAL | 16 |
Main Products:
One Time Voice, Mask-Smart voice,Instant Voice Rom, Mask-Pure voice, Recording Voice
