STMicroelectronics ST72F344S2T6 Connectivity: I??C, LIN, SCI, SPI Core Processor: ST7 Core Size: 8-Bit Data Converters: A/D 12x10b Eeprom Size: 256 x 8 Number Of I /o: 34 Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package / Case: 44-LQFP Peripherals: LVD, POR, PWM, WDT Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH Ram Size: 512 x 8 Series: ST7 Speed: 8MHz Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V Product Category: 8-bit Microcontrollers - MCU RoHS: yes Core: ST7 Data Bus Width: 8 bit Maximum Clock Frequency: 8 MHz Data RAM Size: 512 B On-Chip ADC: Yes Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT A/D Bit Size: 10 bit A/D Channels Available: 12 Interface Type: I2C, SCI, SPI Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 34 Number of Timers: 2 Factory Pack Quantity: 160 Supply Voltage - Max: 5.5 V Supply Voltage - Min: 3.3 V