ATMEGA644V-10MU Atmel, ATMEGA644V-10MU Datasheet - Page 369
![IC AVR MCU FLASH 64K 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA644V-10MU
Manufacturer Part Number
ATMEGA644V-10MU
Description
IC AVR MCU FLASH 64K 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644V-10MU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
44-VQFN Exposed Pad
Package
44QFN EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
10 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
32
Interface Type
JTAG/SPI/TWI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
ATMEGA64x
Core
AVR8
Data Ram Size
4 KB
Maximum Clock Frequency
20 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA644V-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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- Download datasheet (8Mb)
Table of Contents
2593N–AVR–07/10
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 7
About Code Examples ............................................................................. 8
AVR CPU Core .......................................................................................... 9
AVR Memories ........................................................................................ 18
System Clock and Clock Options ......................................................... 28
1.1Disclaimer ..................................................................................................................3
2.1Block Diagram ...........................................................................................................3
2.2Pin Descriptions ........................................................................................................4
5.1Introduction ................................................................................................................9
5.2Architectural Overview ..............................................................................................9
5.3ALU – Arithmetic Logic Unit ....................................................................................10
5.4Status Register ........................................................................................................11
5.5General Purpose Register File ................................................................................12
5.6Stack Pointer ...........................................................................................................13
5.7Instruction Execution Timing ...................................................................................14
5.8Reset and Interrupt Handling ..................................................................................14
6.1In-System Reprogrammable Flash Program Memory .............................................18
6.2SRAM Data Memory ...............................................................................................19
6.3EEPROM Data Memory ..........................................................................................20
6.4I/O Memory ..............................................................................................................26
7.1Clock Systems and their Distribution .......................................................................28
7.2Clock Sources .........................................................................................................29
7.3Low Power Crystal Oscillator ...................................................................................31
7.4Full Swing Crystal Oscillator ....................................................................................32
7.5Low Frequency Crystal Oscillator ............................................................................33
7.6Calibrated Internal RC Oscillator .............................................................................34
7.7128 kHz Internal Oscillator ......................................................................................35
7.8External Clock .........................................................................................................36
7.9Clock Output Buffer .................................................................................................37
ATmega644
i
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