Features

• Programmable Mask Option Register (MOR) for C9A/C12A

Configuration

• Programmable MOR for Port B Pullups and Interrupts

• Popular HC05 CPU

• 15,932 Bytes of EPROM (12,092 Bytes for C12A Configuration)

• 352 Bytes of RAM (176 for C12A Configuration)

• Memory Mapped Input/Output (I/O)

• 31 Bidirectional I/O Lines (24 I/O + 6 Input Only for C12A

Configuration) with High Current Sink and Source on PC7

• Asynchronous Serial Communications Interface (SCI)

• Synchronous Serial Peripheral Interface (SPI)

• 16-Bit Capture/Compare Timer

• Computer Operating Properly (COP) Watchdog Timer and Clock

Monitor

• Power-Saving Wait and Stop Modes

• On-Chip Crystal Oscillator Connections

• Single 3.0 Volts to 5.5 Volts Power Supply Requirement

• EPROM Contents Security Feature