ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 325

IC MCU AVR 64K FLASH 64TQFP

ATMEGA649A-AU

Manufacturer Part Number
ATMEGA649A-AU
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA649A-AU

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
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA649A-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA649A-AUR
Manufacturer:
Atmel
Quantity:
10 000
8284A–AVR–10/10
Figure 27-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 27-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
Note:
Table 27-13. Parallel Programming Characteristics, V
Symbol
V
I
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
PP
XTAL1
PAGEL
XTAL1
DATA
DATA
BS1
XA0
XA1
BS1
XA0
XA1
OE
1. The timing requirements shown in
1. The timing requirements shown in
ing operation.
apply to reading operation.
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Low to XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
Timing Requirements
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
t
XLOL
t
OLDV
(1)
LOAD DATA
(LOW BYTE)
DATA (Low Byte)
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 27-7
Figure 27-7 on page 324
t
XLXH
t
BVDV
(i.e., t
(HIGH BYTE)
LOAD DATA
CC
= 5V ± 10%
DATA (High Byte)
DVXH
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
XLPH
, t
LOAD DATA
XHXL
(i.e., t
11.5
Min
200
150
67
67
0
, and t
t
OHDZ
t
DVXH
PLXH
Typ
XLDX
, t
LOAD ADDRESS
XHXL
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
) also apply to load-
ADDR1 (Low Byte)
ADDR1 (Low Byte)
, and t
Max
12.5
250
XLDX
Units
) also
μA
ns
ns
ns
ns
ns
(1)
V
325

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