8-bit ATMega AVR® microcontroller, 16 KB, 16 MHz, PDIP-40

8-bit Microcontroller with 16K Bytes In-System Programmable Flash

Features
- 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 16 MIPS Throughput at 16 MHz
- On-chip 2-cycle Multiplier

- High Endurance Non-volatile Memory segments
- 16 Kbytes of In-System Self-programmable Flash program memory
- 512 Bytes EEPROM
- 1 Kbyte 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
- 2.7V - 5.5V for ATmega16L
- 4.5V - 5.5V for ATmega16

- Speed Grades
- 0 - 8 MHz for ATmega16L
- 0 - 16 MHz for ATmega16

- Power Consumption @ 1 MHz, 3V, and 25°C for ATmega16L
- Active: 1.1 mA
- Idle Mode: 0.35 mA
- Power-down Mode: < 1 µA