ATMEGA644MCU 64KB FLASH 2KB EEPROM 32 IO PINS IN PAKISTAN

Features • High-performance, Low-power AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 Powerful Instructions – Most Single-clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20 MHz • High Endurance Non-volatile Memory segments – 64K Bytes of In-System Self-programmable Flash program memory – 2K Bytes EEPROM – 4K Bytes Internal SRAM – Write/Erase cyles: Flash/ 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. 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 @ V, 0 - 10MHz @ V – ATmegaMHz @ V, 0 - 20MHz @ V • Power Consumption at 1 MHz, 3V, 25°C for – Active: 240 µA @ 1.8V, 1MHz – Power-down Mode: 0.1 µA @ 1.8V Important: we have shop in College Road and its is lab. There we sell items and do electronics projects We also have R&D Box Open - Never Used - No Warranty