SM1350AAQM Datasheet (NPC) - High Tone Quality Melody-IC

SM1350AAQM, High Tone Quality Melody-IC

SM1350AAQM No.

Pin Name I/O State *1 Description 1 VDD - - Supply pin 2 S0 3 4 S1 S2 I SU Binary select mode : Phrase select pins.

Serial select mode : S0 and S1 control melody output.

5 S3 6 MODE I Melody select mode control.

Binary mode when LOW, and serial SU mode when HIGH.

Mel

SM1350AAQM Features

* Basic Functions

* 4.0MHz oscillator frequency

* Power-save function - Oscillator stopped when no output - S0 to S3, MODE, LH pull-up resistors open

* A-class output

* Chattering prevention circuit (STN, STOP, S0 to S3)

* 10-bit D/A converter current-summ