Datasheet

267
8018P–AVR–08/10
ATmega169P
Figure 25-8. General Boundary-scan cell Used for Signals for Comparator and ADC
Table 25-2. Boundary-scan Signals for the Analog Comparator
Signal
Name
Direction as
Seen from the
Comparator Description
Recommended
Input when Not
in Use
Output Values when
Recommended Inputs
are Used
AC_IDLE input
Turns off Analog
Comparator when
true
1
Depends upon µC code
being executed
ACO output
Analog Comparator
Output
Will become input
to µC code being
executed
0
ACME input
Uses output signal
from ADC mux when
true
0
Depends upon µC code
being executed
ACBG input
Bandgap Reference
enable
0
Depends upon µC code
being executed
0
1
DQ DQ
G
0
1
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