| Flash (Kbytes) | 16 | ||
| EEPROM (Kbytes) | 0.5 | ||
| SRAM (Bytes) | 1024 | ||
| Max I/O Pins | 32 | ||
| F.max (MHz) | 16 | ||
| Vcc (V) | 2.7-5.5 | ||
| 10-bit A/D Channels | 8 | ||
| Analog Comparator | Yes | ||
| 16-bit Timers | 1 | ||
| 8-bit Timer | 2 | ||
| Brown Out Detector | Yes | ||
| Ext Interrupts | 3 | ||
| Hardware Multiplier | Yes | ||
| Interrupts | 20 | ||
| ISP | Yes | ||
| On Chip Oscillator | Yes | ||
| PWM Channels | 4 | ||
| RTC | Yes | ||
| Self Program Memory | Yes | ||
| SPI | 1 | ||
| TWI | Yes | ||
| UART | 1 | ||
| Watchdog | Yes | ||
| Pb-Free Packages | MLF (VQFN) 44 PDIP 40 TQFP 44 |
||
16-Kbyte self-programming Flash Program Memory, 1-Kbyte SRAM, 512 Byte EEPROM, 8 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 Mhz. 2.7 - 5.5 Volt operation.
The ATmega16A is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC• 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
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 for ATmega16A
• Speed Grades
– 0 - 16 MHz for ATmega16A
• Power Consumption @ 1 MHz, 3V, and 25°C for ATmega16A
– Active: 0.6 mA
– Idle Mode: 0.2 mA
– Power-down Mode: < 1μA
| Speed (MHz) | Power Supply | Ordering Code | Package | Operation Range |
| 16 | 2.7 - 5.5V | ATmega16A-AU ATmega16A-PU ATmega16A-MU |
44A 40P6 44M1 |
Industrial (-40°C to 85°C) |
