1. 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
- Up to 6 MIPS Throughput at 16MHz
- Fully Static Operation
- On-chip 2-cycle Multiplier
Nonvolatile Program and Data Memories
- 16k Bytes of In-System Self-Programmable Flash
- Optional Boot Code Section with Independent Lock Bits
- 512K Bytes EEPROM
- 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 JAGS Interface
Peripheral Features
- On-chip Analog Comparator
- Programmable Watchdog Timer with Seperate On-chip Oscillator
- Master/Slave SPI Serial Interface
- Two 8-bit Timer/Counters with Separate Prescalar, Compare
- One 16-bit TImer/Counter with Seperate Prescaler, Compare and Capture mode
- Real TIme Counter with Seperate Oscillator
- Four PWM Channels
- 8-channel, 10-bit ADC
- Byte-oriented Two-wire Serial Interface
- Programmable Serial USART
Special Mircocontroller 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 MLF
Operating Voltages
- 4.5-5.5V for ATmega16
Speed Grades
- 0-16 MHz for ATmega16
Power Consumption at 4 Mhz, 3V, 35 °C
- Active: 1.1mA
- Idle Mode: 0.35mA
- Power-down Mode: < 1µA
2. Pin Configuration :
 3. ISP/ ICSP Circuit to burn the IC :
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