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ATmega169P Datasheet(PDF) 266 Page - ATMEL Corporation

Part # ATmega169P
Description  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  393 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega169P Datasheet(HTML) 266 Page - ATMEL Corporation

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266
8018N–AVR–08/09
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
From
Previous
Cell
ClockDR
UpdateDR
ShiftDR
To
Next
Cell
EXTEST
To Analog Circuitry/
To Digital Logic
From Digital Logic/
From Analog Ciruitry



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