The MC68HC705C8ACFNE is a 8-bit high-performance Microcontroller Unit (MCU). The 68HC705C8a microcomputer (MCU) is a member of NXP's M68HC05 family of single-chip microcomputers. This 8-bit MCU includes keyboard scanning logic, a high current pin, a COP watchdog timer, and a read-only (ROM) security feature. The M68HC05 family is based on the customer-specified integrated circuit (CSIC) design strategy. All MCUs in the family use the M68HC05 central processor unit (CPU) and are available with a variety of subsystems, memory sizes, and types.

• On-chip oscillator with crystal/ceramic resonator
• Memory-mapped input/output (I/O)
• Selectable memory configurations
• Selectable programmable and/or non-programmable computer operating properly (COP) watchdog timers
• Selectable port-B external interrupt capability
• Clock monitor
• High current drive on pin C7 (PC7)
• 24 Bidirectional I/O lines and 7 input-only lines
• Serial communications interface (SCI) system
• Serial peripheral interface (SPI) system
• Bootstrap capability
• Power-saving stop, wait, and data-retention modes
• Fully static operation

Technical Doc's: MC68HC705C8ACFNE Datasheet