28128 Parallax Inc, 28128 Datasheet - Page 113

• Manufacturer Part Number: 28128
• Description: KIT BASIC ANALOG/DIGI PARTS ONLY
• Manufacturer: Parallax Inc

Specifications of 28128

• Accessory Type: ADC, DAC
• Product: Microcontroller Accessories
• For Use With/related Products: BASIC Stamp® 2 and Board of Education
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

About the Code
The only new command introduced is
follows:
We already know that
BASIC Stamp I/O pin, P1 through P15. The
that specifies how long the tone is played in milliseconds (ms). The term
specify the frequency of the tone that gets played. A second frequency
played simultaneously for some interesting effects. For example, the tones you hear when
you dial the telephone are actually two tones played simultaneously. The BASIC Stamp
also has a command for telephone tones called DTMF, which uses the same principle.
FREQOUT Pin, Duration, Freq1, Freq2
Pin
is a number between 1 and 15 that refers to your choice of
FREQOUT
Duration
. The
is a number between 1 and 65535
FREQOUT
command is used as
Freq1
(Freq1
Figure 5-8
Debug
Terminal
output
displaying
the
frequencies
played by
Program
Listing 5.3.
is used to
) can be