MC68HC705C4A General Description
MC68HC705C4A Features
• M68HC05 central processor unit (CPU)
• On-chip oscillator with crystal/ceramic resonator
• Memory-mapped input/output (I/O)
• Computer operating properly (COP) watchdog timer
• Selectable port B external interrupt capability
• 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
MC68HC705C4A Connection Diagram
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