MICROCONTROLLER MCU 8 BIT HC11 4MHZ QFP-80; Controller Family/Series:68HC11; CPU Speed:4MHz; Program Memory Size:-; RAM Memory Size:768Byte; No. of Pins:80Pins; MCU Case Style:QFP; No. of I/O's:37I/O's; Supply Voltage Min:4.5V ;RoHS Compliant: Yes