Datasheet

264
2490R–AVR–02/2013
ATmega64(L)
Figure 133. General Boundary-scan Cell used for Signals for Comparator and ADC
Table 103. 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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