ATMEGA644PV-10PQ Atmel, ATMEGA644PV-10PQ Datasheet - Page 432
![MCU AVR 64K FLASH 10MHZ 40-PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA644PV-10PQ
Manufacturer Part Number
ATMEGA644PV-10PQ
Description
MCU AVR 64K FLASH 10MHZ 40-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PV-10PQ
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
40-DIP (0.600", 15.24mm)
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8011O–AVR–07/10
7
8
9
Power Management and Sleep Modes ................................................. 42
System Control and Reset .................................................................... 50
Interrupts ................................................................................................ 61
6.5 Low Frequency Crystal Oscillator ...........................................................................34
6.6 Calibrated Internal RC Oscillator ............................................................................36
6.7 128 kHz Internal Oscillator .....................................................................................37
6.8 External Clock ........................................................................................................37
6.9 Timer/Counter Oscillator ........................................................................................38
6.10 Clock Output Buffer ..............................................................................................38
6.11 System Clock Prescaler .......................................................................................38
6.12 Register Description .............................................................................................40
7.1 Overview ................................................................................................................42
7.2 Sleep Modes ..........................................................................................................42
7.3 BOD Disable ...........................................................................................................43
7.4 Idle Mode ................................................................................................................43
7.5 ADC Noise Reduction Mode ..................................................................................43
7.6 Power-down Mode .................................................................................................44
7.7 Power-save Mode ..................................................................................................44
7.8 Standby Mode ........................................................................................................44
7.9 Extended Standby Mode ........................................................................................44
7.10 Power Reduction Register ....................................................................................45
7.11 Minimizing Power Consumption ...........................................................................45
7.12 Register Description .............................................................................................47
8.1 Resetting the AVR ..................................................................................................50
8.2 Reset Sources ........................................................................................................50
8.3 Power-on Reset ......................................................................................................51
8.4 External Reset ........................................................................................................52
8.5 Brown-out Detection ...............................................................................................53
8.6 Watchdog Reset .....................................................................................................53
8.7 Internal Voltage Reference .....................................................................................54
8.8 Watchdog Timer .....................................................................................................55
8.9 Register Description ...............................................................................................58
9.1 Overview ................................................................................................................61
9.2 Interrupt Vectors in ATmega164P/324P/644P .......................................................61
9.3 Register Description ...............................................................................................65
ATmega164P/324P/644P
ii
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