Описание
ATtiny841 is a low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny841 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. The AVR core combines a rich instruction set with 32 general purpose working registers. All 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in a single instruction, executed in one clock cycle. The resulting architecture is compact and code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.
- 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
- Up to 16 MIPS Throughput at 16 MHz
- Non-volatile Program and Data Memories
- 4/8K Bytes of In-System Programmable Flash Program Memory
- Endurance: 10,000 Write/Erase Cycles
- 256/512 Bytes of In-System Programmable EEPROM
- Endurance: 100,000 Write/Erase Cycles
- 256/512 Bytes Internal SRAM
- Data Retention: 20 Years at 85o C / 100 Years at 25o C
- Programming Lock for Self-Programming Flash & EEPROM Data Security
- Peripheral Features
- One 8-bit and Two 16-bit Timer/Counters with Two PWM Channels, Each
- Programmable Ultra Low Power Watchdog Timer
- 10-bit Analog to Digital Converter
- 12 External and 5 Internal, Single-ended Input Channels
- 46 Differential ADC Channel Pairs with Programmable Gain (1x / 20x / 100x)
- Two On-chip Analog Comparators
- Two Full Duplex USARTs with Start Frame Detection
- Master/Slave SPI Serial Interface
- Slave I2 C Serial Interface
- Special Microcontroller Features
- Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
- Enhanced Power-on Reset Circuit
- Programmable Brown-out Detection Circuit with Supply Voltage Sampling
- External and Internal Interrupt Sources
- Pin Change Interrupt on 12 Pins
- Calibrated 8MHz Oscillator with Temperature Calibration Option
- Calibrated 32kHz Ultra Low Power Oscillator
- High-Current Drive Capability on 2 I/O Pins
- I/O and Packages
- 14-pin SOIC, 20-pad MLF/QFN and 20-pad VQFN
- 12 Programmable I/O Lines
- Speed Grade
- 0
- 2 MHz @ 1.7
- 1.8V
- 0
- 4 MHz @ 1.8
- 5.5V
- 0
- 10 MHz @ 2.7
- 5.5V
- 0
- 16 MHz @ 4.5
- 5.5V
- Low Power Consumption
- Active Mode: 0.2 am at 1.8V and 1MHz
- Idle Mode: 30 µA at 1.8V and 1MHz
- Power-Down Mode (WDT Enabled): 1.3µA at 1.8V
- Power-Down Mode (WDT Disabled): 150nA at 1.8V
