ATMEGA64L-8MI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64L-8MI

8-bit AVR® Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

Figure 133. General Boundary-scan Cell used for Signals for Comparator and ADC

ShiftDR

To

Next

Cell

EXTEST

0

1

0

DQ

DQ

1

G

From

Previous

Cell

ClockDR

UpdateDR

Table 104. Boundary-scan Signals for the Analog Comparator

Signal

Name

Direction as

Seen from the

Comparator

Description

Recommended

Input when Not

in Use

AC_IDLE Input

Turns off Analog 1

Comparator

when true

ACO

Output

Analog

Comparator

Output

Will become

input to µC code

being executed

ACME

Input

Uses output

0

signal from ADC

mux when true

ACBG

Input

Bandgap

0

Reference

enable

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

264 ATmega64(L)

2490G–AVR–03/04

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