● Standard CMOS process.● Embedded 8M EPROM.● 341 sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.● Maximum 1024 voice groups.● Combination of voice blocks to extend playback duration.● User selectable PCM16 or PCM8 or ADPCM data compression.● 5 triggering modes are available: ◆ Key Mode ◆ CPU Parallel Mode ◆ I2C Mode ◆ SPI Mode ◆ MP3 Mode ● Voice Group Trigger Options: Edge / Level; Hold / Un-hold; Retrigger / Non-retrigger.● Optional 16ms or 65us (@ 8KHz sampling rate) selectable debounce time.● RST pin set to HIGH to stop the playback at once.● LVR (Low Voltage Reset)● 7 user programmable outputs.● 3 kind oscillator: Internal-Rosc, External-Rosc, Crystal.● 2V - 5V single power supply and● PWM Vout1 and Vout2 drive speaker directly.● D / A COUT pin drives speaker through an external BJT. ● 16 level Volume control.● Audio out 16 bit.● Development System support voice compilation.
aP23341 high performance Voice OTP is fabricated with Standard CMOS process withembedded 8M bits EPROM. It can store up to 341 sec voice message with 4-bitADPCM compression at 6K Hz sampling rate. 16-bit PCM and 8-bit PCM is also availablethe user selectable option. User selectable triggering and output signal options provide maximum flexibility to various applications.Built-in resistor controlled oscillator, 16-bitcurrent mode DAC output and 14-bit current mode PWM direct speaker driving outputminimize the number of external components.PC controlled programmer and developingsoftware are available.