Mikroe MCU Card 11 for PIC PIC18F57Q43 is an add-on board for simple installation and replacement of an MCU on a development board equipped with an MCU Card socket. This new MCU Card standard ensures compatibility between the development board and any supported MCU, regardless of pin number and compatibility. MCU Cards are equipped with two 168-pin mezzanine connectors to support MCUs with an extremely high pin count. This design allows for simple usage, following the Click board™ plug & play concept.