28 pin ATmega328P AVR microcontrollers
28 pin ATmega328P AVR মাইক্রো-কনট্রোলার
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The Atmel 8-bit AVR RISC-based microcontroller combines 32 kB ISP flash memory with read-while-write capabilities, 1 kB EEPROM, 2 kB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts. The device achieves throughput approaching 1 MIPS per MHz.[1]
CPU type 8-bit AVR
Performance 20 MIPS at 20 MHz[2]
Flash memory 32 kB
SRAM 2 kB
EEPROM 1 kB
Pin count 28-pin PDIP, MLF, 32-pin TQFP, MLF[2]
Maximum operating frequency 20 MHz
Number of touch channels 16
Hardware QTouch Acquisition No
Maximum I/O pins 23
External interrupts 2
USB Interface No
USB Speed –
