Описание
ATtiny461A is low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the devices achieve 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
- 123 Powerful Instructions – Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers
- Fully Static Operation
- Up to 20 MIPS Throughput at 20 MHz
- High Endurance Non-volatile Memory Segments
- 2/4/8K Bytes of In-System Self-Programmable Flash Program Memory
- Endurance: 10,000 Write/Erase Cycles
- 128/256/512 Bytes of In-System Programmable EEPROM
- Endurance: 100,000 Write/Erase Cycles
- 128/256/512 Bytes of Internal SRAM
- Data retention: 20 Years at 85°C / 100 Years at 25°C
- In-System Programmable via SPI Port
- Programming Lock for Software Security
- Peripheral Features
- One 8/16-bit Timer/Counter with Prescaler
- One 8/10-bit High Speed Timer/Counter with Prescaler
- 3 High Frequency PWM Outputs with Separate Output Compare Registers
- Programmable Dead Time Generator
- 10-bit ADC
- 11 Single-Ended Channels
- 16 Differential ADC Channel Pairs
- 15 Differential ADC Channel Pairs with Programmable Gain (1x, 8x, 20x, 32x)
- On-Chip Analog Comparator
- Programmable Watchdog Timer with Separate On-Chip Oscillator
- Universal Serial Interface with Start Condition Detector
- Interrupt and Wake-up on Pin Change
- Special Microcontroller Features
- debugWIRE On-Chip Debug System
- Power-on Reset and Programmable Brown-out Detection
- Internal Calibrated Oscillator
- External and Internal Interrupt Sources
- Four Sleep Modes: Low Power Idle, ADC Noise Reduction, Standby and PowerDown
- On-Chip Temperature Sensor
- I/O and Packages
- 16 Programmable I/O Lines
- 20-pin PDIP, 20-pin SOIC, 20-pin TSSOP and 32-pad MLF
- Operating Voltage
- 1.8 – 5.5V
- Speed Grades
- 0 – 4 MHz @ 1.8 – 5.5V
- 0 – 10 MHz @ 2.7 – 5.5V
- 0 – 20 MHz @ 4.5 – 5.5V
- Power Consumption at 1 MHz, 1.8V, 25°C
- Active: 200 µA
- Power-Down Mode: 0.1 µA
