MC68HC705C8A

Features of the MC68HC705C8A include:
• M68HC05 central processor unit (CPU)
• 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
• Single 3.0-volt to 5.5-volt supply (2-volt data-retention mode)
• Fully static operation
• Software-programmable external interrupt sensitivity
• Bidirectional RESET pin

NOTE: A line over a signal name indicates an active low signal. For example, RESET is active high and RESET is active low. Any reference to voltage,  current, or frequency specified in this document will refer to the nominal values. The exact values and their tolerance or limits are specified in Section 13. Electrical Specifications.