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Positive supply for analog modules.
Ground reference for analog modules
Positive supply for peripheral logic and I/O pins
Ground reference for logic and I/O pins
CPU logic filter capacitor connection
Master Clear (Reset) input. This pin is an active
low reset.
Clock input pin for programming/debugging
comm channel 1
Data I/O pin for programming/debugging comm
channel 1
Oscillator crystal output
Analog voltage reference (high) input
Analog voltage reference (low) input
Table 3 Pins to be connected at all times
Also required at all times is the use of decoupling capacitors on every pair of
power supply pins. Our printed circuit board design will include these capacitors
as well as the resistors pictured. A diagram of this configuration is shown below
in Figure 7.
Figure 7 Required Minimum Connections
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