The Microchip ATtiny24A 8-bit microcontroller is based AVR® RISC architecture. It operates on 2.7V to 5.5V voltage range. This microcontroller features 2KB of ISP Flash, 128B EEPROM, 128B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter with two PWM channels, internal and external interrupts, an 8-channel 10-bit A/D converter, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, programmable watchdog timer with internal oscillator, internally calibrated oscillator, and four software selectable power saving modes.

Fully Static Operation
Data Retention of 20 years at 85°C / 100 years at 25°C
Programming Lock for Self-programming Flash & EEPROM Data Security
One 8-bit and One 16-bit Timer/Counter with Two PWM Channels
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Universal Serial Interface
In-System Programmable via SPI Port
Internal and External Interrupt Sources
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
Twelve Programmable I/O Lines
Low Power Consumption
Temperature range between -40°C and +85°C
14-lead, 0.300” Wide, Plastic Dual In-line (PDIP) Package