AL3201B

General Description The AL3201B Digital Reverb Engine provides all of the signal processing power required to implement a compact, easy to use, high quality reverb solution at an extremely affordable price. Built-in DRAM eliminates the need for wide bus connections to external RAM, while its 16 built-in programs and user programmable RAM allows instant usability or custom program design. Applications Guitar and Instrument Amps Digital Mixing Boards Karaoke Systems Digital Effects Boxes Computer Sound Cards Car Audio Systems Personal Stereo Products AL3201B DRE Digital Reverb Engine Features 16 internal ROM programs consisting of halls, rooms, plates, delays, chorus, flange, vocal cancel, and rotary speaker emulation. Serially programmable SRAM for program development or dynamically changing programs 128 instructions per wordclock. (6 MIPS @ 48kHz.) 32k location DRAM provides over 0.68s of delay at 48kHz sampling frequency. Internal crystal oscillator circuit eliminates need for discrete external passive components. Internal voltage regulators allow operation from 5.5V down to 3.0V VDD. Internal 1000pF bypass capacitor to reduce voltage swings at the rails. Program List and Package Prog[3:0] 0110 0010 1010 1110 1111 1011 1001 1101 1100 1000 0000 0100 0101 0001 0011 0111 Name Hall 1 Hall 2 Room 1 Room 2 Room 3 Plate 1 Plate 2 Plate 3 Chorus Flange Delay 1 Delay 2 Chorus/Room 1 Chorus/Room 2 Vocal Cancel Rotary Speaker Description Bright hall reverb for drums, guitars, and ...