The COP410L and COP411L Single-Chip N-Channel Microcontrollers are members of the COPSTM family fabricated using N-channel silicon gate MOS technology These Controller Oriented Processors are complete microcomputers containing all system timing internal logic ROM RAM and I O necessary to implement dedicated control functions in a variety of applications Features include single supply operation a variety of output configuration options with an instruction set internal architecture and I O scheme designed to facilitate keyboard input display output and BCD data manipulation The COP411L is identical to the COP410L but with 16 I O lines instead of 19 They are an appropriate choice for use in numerous human interface control environments Standard test procedures and reliable high-density fabrication techniques provide the medium to large volume customers with a customized Controller Oriented Processor at a low end-product cost The COP310L and COP311L are exact functional equivalents but extended temperature versions of COP410L and COP411L respectively