ATMEGA649-16MI Atmel, ATMEGA649-16MI Datasheet - Page 287
ATMEGA649-16MI
Manufacturer Part Number
ATMEGA649-16MI
Description
IC AVR MCU FLASH 64K 5V 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649-16MI
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
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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26.7.11
2552K–AVR–04/11
Programming Time for Flash when Using SPM
3. Keep the AVR core in Power-down sleep mode during periods of low V
The calibrated RC Oscillator is used to time Flash accesses.
gramming time for Flash accesses from the CPU.
Table 26-5.
Flash write (Page Erase, Page Write,
and write Lock bits by SPM)
used. If a reset occurs while a write operation is in progress, the write operation will be
completed provided that the power supply voltage is sufficient.
vent the CPU from attempting to decode and execute instructions, effectively protecting
the SPMCSR Register and thus the Flash from unintentional writes.
SPM Programming Time
Symbol
Min Programming Time
ATmega329/3290/649/6490
3.7ms
Table 26-5
Max Programming Time
4.5ms
shows the typical pro-
CC
. This will pre-
287
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