ATMEGA649P-AUR Atmel, ATMEGA649P-AUR Datasheet - Page 273
ATMEGA649P-AUR
Manufacturer Part Number
ATMEGA649P-AUR
Description
IC MCU AVR 64KB FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649P-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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25.6
8284A–AVR–10/10
ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P Boundary-scan
Order
Table 25-7 on page 279
TDO when the Boundary-scan chain is selected as data path. Bit 0 is the LSB; the first bit
scanned in, and the first bit scanned out. The scan order follows the pin-out order as far as pos-
sible. Therefore, the bits of Port A is scanned in the opposite bit order of the other ports.
Exceptions from the rules are the Scan chains for the analog circuits, which constitute the most
significant bits of the scan chain regardless of which physical pin they are connected to. In
ure 25-2 on page
PXn. Pull-up_enable corresponds to FF2. Bit 4, 5, 6 and 7 of Port F is not in the scan chain,
since these pins constitute the TAP pins when the JTAG is enabled...
Table 25-6.
Bit Number
197
196
195
194
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
ATmega169A/169PA Boundary-scan Order
Signal Name
AC_IDLE
ACO
ACME
AINBG
265, PXn. Data corresponds to FF0, PXn. Control corresponds to FF1, and
and
Table 25-8 on page 286
Module
Comparator
shows the Scan order between TDI and
Fig-
273
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