ATTINY45-20PU 8 Bit AVR Tiny Atmel Processor
– Producer: ATMEL
– Type: AVR microcontroller
– Flash memory: 4k x 8bit
– EEPROM memory: 256B
– SRAM memory: 256B
– Case: DIP8
– Frequency: 20MHz
– Voltage: 2.7-5.5V DC
– Inputs/outputs: 6
– PWM channels: 2
– 8-bit timers: 2
– Interfaces: I2C, SPI and UART