Atmel Corporation ATMEGA48PA-MU 3rd Party Development Tools: EWAVR, EWAVR-BL Connectivity: I??C, SPI, UART/USART Controller Family/series: AVR MEGA Core: AVR8 Core Processor: AVR Core Size: 8-Bit Cpu Speed: 20MHz Data Bus Width: 8 bit Data Converters: A/D 8x10b Data Ram Size: 512 B Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT Eeprom Memory Size: 256Byte Eeprom Size: 256 x 8 Interface Type: 2-Wire, SPI, USART Maximum Clock Frequency: 20 MHz Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT No. Of I/o's: 23 No. Of Timers: 3 Number Of I /o: 23 Number Of Programmable I/os: 23 Number Of Timers: 3 On-chip Adc: 10 bit, 8 Channel On-chip Dac: 10 bit, 6 Channel Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Processor Series: ATMEGA48x Program Memory Size: 4KB (2K x 16) Program Memory Type: FLASH Ram Memory Size: 512Byte Ram Size: 512 x 8 Rohs Compliant: Yes Series: AVR?® ATmega Speed: 20MHz Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V Product Category: 8-bit Microcontrollers - MCU RoHS: yes Data RAM Size: 512 B On-Chip ADC: Yes Operating Supply Voltage: 1.8 V to 5.5 V Data ROM Size: 256 B Number of Programmable I/Os: 23 Number of Timers: 3 Factory Pack Quantity: 490 Supply Voltage - Max: 5.5 V Supply Voltage - Min: 1.8 V