ATMEGA645V-8MU Atmel, ATMEGA645V-8MU Datasheet - Page 270
![IC AVR MCU FLASH 64K 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA645V-8MU
Manufacturer Part Number
ATMEGA645V-8MU
Description
IC AVR MCU FLASH 64K 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16MU.pdf
(362 pages)
Specifications of ATMEGA645V-8MU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, 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-MLF®, 64-QFN
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, UART, 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
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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- Download datasheet (7Mb)
2570M–AVR–04/11
Table 26-8.
Table 26-9.
Table 26-10. No. of Words in a Page and No. of Pages in the Flash
Table 26-11. No. of Words in a Page and No. of Pages in the EEPROM
EEPROM Size
(32/64K bytes)
XA1
16/32K words
1K/2K bytes
0
0
1
1
Flash Size
Command Byte
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
XA1 and XA0 Coding
Command Byte Bit Coding
XA0
0
1
0
1
Page Size
Page Size
4/8 bytes
64/128
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte
determined by BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
words
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
EEA[1/2:0]
PCWORD
PCWORD
PC[5/6:0]
ATmega325/3250/645/6450
No. of Pages
No. of Pages
256
256
[13/14:6/7]
[13/14:2/3]
PCPAGE
PCPAGE
EEA
PC
EEAMSB
PCMSB
13/14
13/14
270
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