GENERAL DESCRIPTION

API820G is a tiny-controller-based voice synthesizer IC which contains all the function of API820G series and has an OTP (One Time Programmable) ROM inside.

FEATURES

• API820G – ROM : 64k x 10 bits (21 sec@6K sample rate).

• Single power supply 2.4V ~ 5.5V.

• Port1 and Port2 with wake-up function.

• Power down mode for saving power consumption.

• Single ROM for voice and program data.

• Readable ROM code data.

• One 6-bit timer overflow control.

• Two stacks for subroutine calling.

• Fixed current D/A to drive external connected transistor for audio output.

• Multiple playing sppeeds in 2KHz ~ 32KHz for voice playback.

• 5-bit ASPCM synthesizer.

• Multiple levels of volume control.

• Multiple playing sppeeds in 2KHz ~ 32KHz for voice playback.