SNC21000 Series is a series of 16 to 500 seconds one-channel single chip voice synthesizer IC. It built in a 4-bit tiny controller, I/O ports, PWMIO, internal RAM, ROM, and a PWM Direct Drive Circuit (PWM Voice). By programming through the tiny

This user guide describes the Altera megafunction IP cores that implement the following memory modes: ■ RAM:1-Port—Single-port RAM ■ RAM:2-Port—Dual-port RAM ■ ROM:1-Port—Single-port ROM ■ ROM:2-Port—Dual-port ROM Altera provides two IP c