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Table 6-7 below describes the function of the option links associated with Analog configuration. The default configuration is indicated by
BOLD text.
Option Link Settings
Reference Function Fitted Alternative (Removed) Related To
R34 Analog Input AN0 channel connected to JA1
AN0 channel disconnected from JA1
R42
R42 Analog Input
AN0 channel connected to POT
AN0 channel disconnected from POT R34
R43 Voltage Reference
Source
Voltage Reference set to AVcc signal
Voltage Reference taken from external
connector (JA1-7).
R99
R85 Analog Voltage
Source
Analog Voltage Source from external
connector.
Analog voltage source from
Board_Vcc.
R86, R131
R86 Analog Voltage
Source
Links analog ground to digital ground.
Isolates analog ground from digital
ground.
R85,R131
R99 Voltage Reference
Source
Voltage Reference set to AVcc signal
Voltage Reference taken from
external connector (J4).
R43
R131 Analog Voltage
Source
Analog voltage source from on board
Vcc.
Analog Voltage Source from external
connector.
R85,R86
Table 6-7: Analog configuration links
14