Try looking at the: Kinseki XC307 programable oscillator (8 pin dip). 3 bits to set divide ratio and 1 bit to turn osc. on/off. There is a whole family of these devices. On Tue, 9 Nov 1999, Roberto Fonseca Iannini wrote: > Does anyone know an IC that perform an "byte controlled oscillator"? > Such IC must have to work like this: -I send an string and it start to > generate an square wave with frequency proportional to the byte (or > word) value. > > See you, > > Beto. >