DESCRIPTION

The MSM66P54 is a one-time-programmable (OTP) version of the MSM6654 speech synthesizer, suitable for evaluation of the MSM6650 family and code development. This part is also suitable for applications requiring small quantities and/or short-term delivery after code completion. The PC-based AR76-202 Speech Development System is used for speech encoding, editing, and programming of the MSM66P54.

FEATURES

• Single-chip synthesizer

• 4-bit ADPCM or 8-bit PCM sound playback

• Melody function

• Edit ROM function

• Built-in two-channel mixing function

• Internal random playback function

• Fade-out function

• Built-in “beep” tones at 0.5, 1.0, 1.6, and 2.0 kHz

• Sampling frequency of 4.0, 5.3, 6.4, 8.0, 10.6, 12.8, 16, or 32 kHz[1]

• Up to 127 phrases

• Internal 12-bit D/A converter

• Internal -40 dB/octave low-pass filter (LPF)

• Built-in standby function

• Selectable RC oscillation or ceramic/crystal oscillation

• Package options include 20-pin DIP (DIP20-P-300), 24-pin SOP (SOP24-P-430-2K), or die