ATMEGA48PA-PU 8-bit ATMega AVR microcontroller, 4 KB, 20 MHz, PDIP-28

High voltage power Schottky rectifier

General Description The high-performance Microchip 8-bit AVR® RISC-based picoPower® microcontroller combines 4 KB ISP flash memory, 256B EEPROM, 512B SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented two-wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts.

Features - Program Memory Type: Flash - Program Memory Size (KB): 4 - CPU Speed (MIPS/DMIPS): 20 - SRAM (B): 512 - Data EEPROM/HEF (bytes): 256 - Digital Communication Peripherals: 1-UART, 2-SPI, 1-I2C - Capture/Compare/PWM Peripherals: 1 Input Capture, 1 CCP, 6PWM - Timers: 2 x 8-bit, 1 x 16-bit - Number of Comparators: 1 - Temperature Range (°C): -40 to 85 - Operating Voltage Range (V): 1.8 to 5.5 - Pin Count: 32 - Low Power: Yes