FEATURES
Embedded OTP memory and 8-bit MCU Built-in oscillator and Power On Reset circuits to reduce external components. 2.2V – 3.6V single power supply and < 5uA low stand-by current. 10, 21 and 42sec voice duration at 6 KHz sampling with 4-bit ADPCM compression. Combination of voice building blocks to extend playback duration. Table entries are available for voice block combinations. User selectable PCM or ADPCM data compress. Voice Group Trigger Options: Edge / Level; Hold / Un-hold; Retrigger / Non-retrigger. Programmable I/Os, Timer Interrupt and Watch Dog Timer. PWM Vout1 and Vout2 drive speaker directly with 2 levels volume control. D/A COUT with ramp-up ramp-down option to drive speaker through an external BJT. Windows based development system and USB programmer support. DESCRIPTION
Aplus’ aIVR3K is a 8-bit CPU based Voice chip series. 8-bit PCM is also available as user selectable option to improve sound quality. Depending on IC body, there are up to eight programmable I/O pins.
APLUS
