Notes
•
The EQUAL and PROP commands affect all
channels
•
When using EQUAL, the time period is about
512uS, so a duty cycle of 1 will generate a 2uS
pulse every 512uS. A duty cycle of 128 will
generate a 256uS pulse every 512uS.
•
PROP PWM uses a 2uS time base. A duty
cycle of 1 will generate a 2uS pulse every
512uS. However, a duty cycle of 128 wil
generate a 2uS pulse every 4uS.
Typical Circuits and Software
Connecting the Pak to its external components is
simple. Supply 5V to Vdd and ground the Vss
pins. Connect the two outer pins of the ceramic
resonator to the RES1 and RES2 pins (the order
does not matter). Ground the center pin of the
resonator. If using the original PAK-V, place a
33K resistor between the RES1 and RES2 pins
(the PAK-Va does not require this resistor).
Connect the RESET pin to 5V. For the simplest
mode of operation leave ENABLE open and
jumper B9600 and RXINV for the operating mode
you desire. Of course, you'll also need to connect
the RX pin to the host microprocessor.
If you are using the Basic Stamp you'll have no
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