ATmega128
260
Figure 129. Analog comparator
ACME
ADCEN
ADC MULTIPLEXER
Figure 130. General Boundary-scan Cell used for Signals for Comparator and ADC
From Digital Logic/
From Analog Ciruitry
BANDGAP
REFERENCE
ACBG
OUTPUT
To
Next
ShiftDR
Cell
0
D
Q
1
From
ClockDR
UpdateDR
Previous
Cell
ACO
AC_IDLE
EXTEST
0
To Analog Circuitry/
1
To Digital Logic
D
Q
G
2467S–AVR–07/09
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