ATMEGA16A-MU product image


Microcontrollers - MCU
ATMEL Corporation


The   ATMEGA16A-MU   is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega16A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
ATMEGA16A-MU  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 16 MIPS Throughput at 16 MHz
  On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
  16K Bytes of In-System Self-programmable Flash program memory
  512 Bytes EEPROM
  1K Byte 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 
  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 for ATmega16A
• Speed Grades
  0 - 16 MHz for ATmega16A
• Power Consumption @ 1 MHz, 3V, and 25°C for ATmega16A
Maximum Clock Frequency16 MHz
Program Memory Size16 KB
Operating Supply Voltage2.7 V to 5.5 V
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature- 40 C
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