Описание
ATtiny44A is are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny44A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
- High Performance, Low Power AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- 120 Powerful Instructions – Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Fully Static Operation
- High Endurance, Non-volatile Memory Segments
- 4K Bytes of In-System, Self-programmable Flash Program Memory
- Endurance: 10,000 Write/Erase Cycles
- 256 Bytes of In-System Programmable EEPROM
- Endurance: 100,000 Write/Erase Cycles
- 256 Bytes of Internal SRAM
- Data Retention: 20 years at 85°C / 100 years at 25°C
- Programming Lock for Self-programming Flash & EEPROM Data Security
- Peripheral Features
- One 8-bit and One 16-bit Timer/Counter with Two PWM Channels, Each
- 10-bit ADC
- 8 Single-ended Channels
- 12 Differential ADC Channel Pairs with Programmable Gain (1x / 20x)
- Programmable Watchdog Timer with Separate On-chip Oscillator
- On-chip Analog Comparator
- Universal Serial Interface
- Special Microcontroller Features
- debug WIRE On-chip Debug System
- In-System Programmable via SPI Port
- Internal and External Interrupt Sources
- Pin Change Interrupt on 12 Pins
- Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
- Enhanced Power-on Reset Circuit
- Programmable Brown-out Detection Circuit with Software Disable Function
- Internal Calibrated Oscillator
- On-chip Temperature Sensor
- I/O and Packages
- Available in 20-pin QFN/MLF/VQFN, 14-pin SOIC, 14-pin PDIP and 15-ball UFBGA
- Twelve Programmable I/O Lines
- Operating Voltage:
- 1.8
- 5.5V
- Speed Grade:
- 0
- 4 MHz @ 1.8
- 5.5V
- 0
- 10 MHz @ 2.7
- 5.5V
- 0
- 20 MHz @ 4.5
- 5.5V
- Industrial Temperature Range: -40°C to +85°C
- Low Power Consumption
- Active Mode:
- 210 µA at 1.8V and 1 MHz
- Idle Mode:
- 33 µA at 1.8V and 1 MHz
- Power-down Mode:
- 0.1 µA at 1.8V and 25°C
- Topside marking for ATtiny44A
- 1st Line: T44
- 2nd Line: Axx
- 3rd Line: manufacturing data.
- ATtiny24A/44A Specification at 105°C”.
