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ATmega644V Dataheets PDF



Part Number ATmega644V
Manufacturers ATMEL
Logo ATMEL
Description 8-bit Atmel Microcontroller
Datasheet ATmega644V DatasheetATmega644V Datasheet (PDF)

Features • High-performance, Low-power Atmel® AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 Powerful Instructions – Most Single-clock Cycle Execution – 32 × 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20MHz • High Endurance Non-volatile Memory segments – 64 Kbytes of In-System Self-programmable Flash program memory – 2 Kbytes EEPROM – 4 Kbytes Internal SRAM – Write/Erase cyles: 10,000 Flash/100,000 EEPROM(1)(3) – Data retention: 20 y.

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Features • High-performance, Low-power Atmel® AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 Powerful Instructions – Most Single-clock Cycle Execution – 32 × 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20MHz • High Endurance Non-volatile Memory segments – 64 Kbytes of In-System Self-programmable Flash program memory – 2 Kbytes EEPROM – 4 Kbytes Internal SRAM – Write/Erase cyles: 10,000 Flash/100,000 EEPROM(1)(3) – Data retention: 20 years at 85°C/100 years at 25°C(2)(3) – Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation – Programming Lock for Software Security • JTAG (IEEE std. 1149.1 Compliant) Interface – Boundary-scan Capabilities According to the JTAG Standard – Extensive On-chip Debug Support – Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface • Peripheral Features – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode – Real Time Counter with Separate Oscillator – Six PWM Channels – 8-channel, 10-bit ADC Differential mode with selectable gain at 1x, 10x or 200x – Byte-oriented Two-wire Serial Interface – One Programmable Serial USART – Master/Slave SPI Serial Interface – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator – Interrupt and Wake-up on Pin Change • Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection – Internal Calibrated RC Oscillator – External and Internal Interrupt Sources – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby • I/O and Packages – 32 Programmable I/O Lines – 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF • Speed Grades – ATmega644V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V – ATmega644: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V • Power Consumption at 1MHz, 3V, 25⋅C – Active: 240µA @ 1.8V, 1MHz – Power-down Mode: 0.1µA @ 1.8V 8-bit Atmel Microcontroller with 64K Bytes In-System Programmable Flash ATmega644/V Notes: 1. Worst case temperature. Guaranteed after last write cycle. 2. Failure rate less than 1 ppm. 3. Characterized through accelerated tests. 2593O–AVR–02/12 1. Pin Configurations Figure 1-1. Pinout ATmega644 (PCINT8/XCK0/T0) PB0 (PCINT9/CLKO/T1) PB1 (PCINT10/INT2/AIN0) PB2 (PCINT11/OC0A/AIN1) PB3 (PCINT12/OC0B/SS) PB4 (PCINT13/MOSI) PB5 (PCINT14/MISO) PB6 (PCINT15/SCK) PB7 RESET VCC GND XTAL2 XTAL1 (PCINT24/RXD0) PD0 (PCINT25/TXD0) PD1 (PCINT26/INT0) PD2 (PCINT27/INT1) PD3 (PCINT28/OC1B) PD4 (PCINT29/OC1A) PD5 (PCINT30/OC2B/ICP) PD6 PDIP PA0 (ADC0/PCINT0) PA1 (ADC1/PCINT1) PA2 (ADC2/PCINT2) PA3 (ADC3/PCINT3) PA4 (ADC4/PCINT4) PA5 (ADC5/PCINT5) PA6 (ADC6/PCINT6) PA7 (ADC7/PCINT7) AREF GND AVCC PC7 (TOSC2/PCINT23) PC6 (TOSC1/PCINT22) PC5 (TDI/PCINT21) PC4 (TDO/PCINT20) PC3 (TMS/PCINT19) PC2 (TCK/PCINT18) .


MCP6484 ATmega644V PC3SD12NTZ


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