ATTINY44A-SSU Programmable IC Chips Microcontroller with 2K/4K Bytes In-System Programmable Flash

8-bit Microcontroller with 2K/4K Bytes In-System Programmable Flash

ATtiny44A

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

• High Endurance, Non-Volatile Memory Segments

– 2K/4K Bytes of In-System, Self-Programmable Flash Program Memory

• Endurance: 10,000 Write/Erase Cycles

– 128/256 Bytes of In-System Programmable EEPROM

• Endurance: 100,000 Write/Erase Cycles

– 128/256 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

– debugWIRE 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 1MHz

–Idle Mode:

• 33 µA at 1.8V and 1MHz

– Power-Down Mode:

• 0.1 µA at 1.8V and 25°C

Pin Configurations

Pinout of ATtiny24A/44A

PDIP/SOIC

Overview

ATtiny24A/44A are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny24A/44A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Block Diagram

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