Overview
●The ATtiny24/44/84 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 ATtiny24/44/84 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
●Features
●• 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
●• Non-volatile Program and Data Memories
●– 2/4/8K Byte of In-System ProgrammableProgram Memory Flash (ATtiny24/44/84) Endurance: 10,000 Write/Erase Cycles
●– 128/256/512 Bytes In-System ProgrammableEEPROM (ATtiny24/44/84) Endurance: 100,000 Write/Erase Cycles
●– 128/256/512 Bytes InternalSRAM (ATtiny24/44/84)
●– Programming Lock for Self-Programming Flash Program and EEPROM Data Security
●• Peripheral Features
●– Two Timer/Counters, 8- and 16-bit counters with two PWM Channels on both
●– 10-bit ADC
● 8 single-ended channels
● 12 differential ADC channel pairs with programmable gain (1x, 20x)
● Temperature Measurement
●– Programmable Watchdog Timer with Separate On-chip Oscillator
●– On-chip Analog Comparator
●– Universal Serial Interface
●• Special Microcontroller Features
●– debugWIRE On-chip Debug System
●– In-System Programmable via SPI Port
●– External and Internal Interrupt Sources
●– Pin Change Interrupt on 12 pins
●– Low Power Idle, ADC Noise Reduction, Standby and Power-down Modes
●– Enhanced Power-onReset Circuit
●– Programmable Brown-out Detection Circuit
●– Internal Calibrated Oscillator
●– On-chip Temperature Sensor
●• I/O and Packages
●– 14-pin SOIC, PDIP and 20-pin QFN/MLF: Twelve Programmable I/O Lines
●• Operating Voltage:
●– 1.8 - 5.5V for ATtiny24V/44V/84V
●– 2.7 - 5.5V for ATtiny24/44/84
●• Speed Grade
●– ATtiny24V/44V/84V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
●– ATtiny24/44/84: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
●• Industrial Temperature Range
●• Low Power Consumption
●– Active Mode: 1 MHz, 1.8V: 380 µA
●– Power-down Mode: 1.8V: 100 nA
