ATMEGA649V-8AUR Atmel, ATMEGA649V-8AUR Datasheet - Page 259
![IC AVR MCU FLASH 64K 1.8V 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA649V-8AUR
Manufacturer Part Number
ATMEGA649V-8AUR
Description
IC AVR MCU FLASH 64K 1.8V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA329-16AU.pdf
(392 pages)
Specifications of ATMEGA649V-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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25.6.4
2552K–AVR–04/11
Scanning the Analog Comparator
The relevant Comparator signals regarding Boundary-scan are shown in
Boundary-scan cell from
described in
The Comparator need not be used for pure connectivity testing, since all analog inputs are
shared with a digital port pin as well.
Figure 25-7. Analog Comparator
Figure 25-8. General Boundary-scan cell Used for Signals for Comparator and ADC
From Analog Ciruitry
From Digital Logic/
Table
ADCEN
ACME
25-4.
ADC MULTIPLEXER
REFERENCE
BANDGAP
OUTPUT
Figure 25-8
Previous
From
Cell
ShiftDR
0
1
ACBG
ClockDR
is attached to each of these signals. The signals are
ATmega329/3290/649/6490
D
UpdateDR
Q
Next
Cell
To
ACD
D
G
Q
AC_IDLE
EXTEST
0
1
To Analog Circuitry/
To Digital Logic
ACO
Figure
25-7. The
259
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