ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 264

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

264
ATmega64(L)
Figure 133. General Boundary-scan Cell used for Signals for Comparator and ADC
Table 104. Boundary-scan Signals for the Analog Comparator
Signal
Name
AC_IDLE
ACO
ACME
ACBG
Previous
Direction as
Seen from the
Comparator
Input
Output
Input
Input
From
Cell
ShiftDR
0
1
ClockDR
Description
Turns off Analog
Comparator
when true
Analog
Comparator
Output
Uses output
signal from ADC
mux when true
Bandgap
Reference
enable
D
UpdateDR
Q
Next
Cell
To
Recommended
Input when Not
in Use
1
Will become
input to µC code
being executed
0
0
D
G
Q
EXTEST
0
1
Output Values when
Recommended
Inputs are Used
Depends upon µC
code being executed
0
Depends upon µC
code being executed
Depends upon µC
code being executed
2490G–AVR–03/04