Atmel AVR AT90CAN32 User Manual

309
7679H–CAN–08/08
AT90CAN32/64/128
Figure 23-8. Analog Comparator
Figure 23-9. General Boundary-scan cell Used for Signals for Comparator and ADC
Table 23-6. 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
ACBG
BANDGAP
REFERENCE
ADC MULTIPLEXER
OUTPUT
ACME
AC_IDLE
ACO
ADCEN
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

Atmel AVR AT90CAN32 Specifications

General

Brand	Atmel
Model	AVR AT90CAN32
Category	Microcontrollers
Language	English