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The ATmega16A is a low-power CMOS 8-bit microcontroller based on the Atmel AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega16A achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. 

The low power, high performance CMOS 8/16-bit microcontroller is based on the Atmel AVR enhanced RISC architecture. The device features 16KB self-programming flash program memory, 1024-byte SRAM, 512-byte EEPROM, 8 channel 10-bit A/D converter and JTAG interface for on-chip-debug. The device acheives 16 MIPS throughput at 16 Mhz at 2.7-5.5V operation.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, allowing you to optimize power consumption versus processing speed.


  • High-performance, Low-power Atmel 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 16MIPS Throughput at 16MHz
                ̶ On-chip 2-cycle Multiplier
  • High Endurance Non-volatile Memory segments
                ̶ 16KBytes of In-System Self-programmable Flash program memory
                ̶ 512Bytes EEPROM ̶ 1KByte Internal SRAM
                ̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
                ̶ Data retention: 20 years at 85°C/100 years at 25°C(1)
                ̶ 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
                ̶ Four PWM Channels
                ̶ 8-channel, 10-bit ADC
  • 8 Single-ended Channels
  • 7 Differential Channels in TQFP Package Only
  • 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
                ̶ Byte-oriented Two-wire Serial Interface
                ̶ Programmable Serial USART
                ̶ Master/Slave SPI Serial Interface
                ̶ Programmable Watchdog Timer with Separate On-chip Oscillator
                ̶ On-chip Analog Comparator

  • 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
  • Operating Voltages
                ̶ 2.7 - 5.5V
  • Speed Grades
                ̶ 0 - 16MHz
  • Power Consumption @ 1MHz, 3V, and 25°C
                ̶ Active: 0.6mA
                ̶ Idle Mode: 0.2mA
                ̶ Power-down Mode: < 1µA



  •  Controller Family/Series: ATmega
  •  Program Memory Size: 16KB
  •  RAM Memory Size: 1KB
  •  CPU Speed: 16MHz
  •  No. of I/O's: 32
  •  MCU Case Style: DIP
  •  No. of Pins: 40
  •  Embedded Interface Type: I2C, SPI, UART
  •  Supply Voltage Min: 2.7V
  •  Supply Voltage Max: 5.5V
  •  Packaging: Each
  •  MSL: -
  •  SVHC: No SVHC (16-Jun-2014)
  •  Base Number: megaAVR
  •  EEPROM Memory Size: 512Byte
  •  Flash Memory Size: 16KB
  •  Logic Function Number: 16
  •  MPU Core Size: 8bit
  •  No. of ADC Inputs: 8
  •  No. of PWM Channels: 4
  •  No. of Timers: 3
  •  Operating Temperature Max: 85°C
  •  Operating Temperature Min: -40°C
  •  Operating Temperature Range: -40°C to +85°C
  •  Oscillator Type: External, Internal
  •  Peripherals: ADC, Comparator, RTC
  •  Program Memory Size: 16KB
  •  Supply Voltage Range: 2.7V to 5.5V
  •  Termination Type: Through Hole

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  • Views: 1869
  • Product Code: ATMEGA16A-PU
  • Availability: In Stock
  • Rs150.00
  • Rs140.00

Tags: atmega16a-pu, atmega, 16a, pu, microcontrollers, atmel, avr, semiconductor

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