SM1350 Overview
NIPPON PRECISION CIRCUITS INC. SM1350 series High Tone Quality Melody LSI OVERVIEW The SM1350 series are single-chip high tone quality melody ICs, fabricated using NPC’s Molybdenumgate CMOS process. Melodies are selected in serial or binary (parallel) mode, up to a maximum of 16 melody blocks.
SM1350 Key Features
- 4.0 MHz oscillator frequency
- Power-save function
- Oscillator stopped when no output
- S0 to S3, MODE, LH pull-up resistors open
- BTL or A-class outputs
- Chattering prevention circuit (STN, STOP, S0
- 10-bit D/A converter
- DWS (dual wave synthesis) sound generators
- 4 simultaneous sounds for 4 tones
- G2 to F#7 note range
