ATMEGA649V-8AU Atmel, ATMEGA649V-8AU Datasheet - Page 310
ATMEGA649V-8AU
Manufacturer Part Number
ATMEGA649V-8AU
Description
IC AVR MCU FLASH 64K 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649V-8AU
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
64-TQFP, 64-VQFP
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART, USI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
64TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Cpu Family
ATmega
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
4KB
# I/os (max)
54
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
TQFP
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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27.7.3
Table 27-15. Serial Programming Instruction Set
310
Instruction/Operation
Programming Enable
Chip Erase (Program Memory/EEPROM)
Poll RDY/BSY
Load Instructions
Load Extended Address byte
Load Program Memory Page, High byte
Load Program Memory Page, Low byte
Load EEPROM Memory Page (page access)
Read Instructions
Read Program Memory, High byte
Read Program Memory, Low byte
Read EEPROM Memory
ATmega329/3290/649/6490
Serial Programming Instruction set
8. Power-off sequence (if needed):
Table 27-14. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Figure 27-11. Serial Programming Waveforms
Table 27-15
(1)
Symbol
t
t
t
t
WD_FUSE
WD_FLASH
WD_EEPROM
WD_ERASE
Set RESET to “1”.
Turn V
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
CC
and
power off.
SAMPLE
Figure 27-12 on page 312
(MOSI)
(MISO)
(SCK)
Byte 1
$AC
$AC
$4D
$C1
$F0
$A0
$48
$40
$28
$20
MSB
MSB
0000 00aa
0000 0aaa
adr MSB
adr MSB
Byte 2
describes the Instruction set.
$53
$80
$00
$00
$00
$00
$00
/
Instruction Format
Minimum Wait Delay
4.5ms
4.5ms
9.0ms
9.0ms
Extended adr
0000 00aa
0000 0aaa
aaaa aaaa
adr LSB
adr LSB
adr LSB
adr LSB
Byte 3
$00
$00
$00
/
high data byte out
low data byte out
high data byte in
low data byte in
data byte out
data byte out
data byte in
LSB
LSB
2552K–AVR–04/11
Byte4
$00
$00
$00
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