The DF6808 IP core is binary-compatible with the industry-standard Motorola 68HC08 8-bit microcontroller. The IP core uses sophisticated on-chip peripheral capabilities to perform 45 to 100 million instructions per second. FAST architecture implemented in DF6808 enables the 68HC08 microcontroller to run at least three times faster than the original solution.
The DF6808’s 16-bit, free-running timer system has two input-capture lines and two output-compare lines. The IP core is equipped with proprietary safety functions, including self-monitoring circuitry, which helps protect against system errors; the computer operating properly (COP) watchdog system, which protects against software failures; and an illegal opcode detection circuit, which provides a non-maskable interrupt if an illegal opcode occurs.
For power conservation, the IP core includes two software-controlled power-saving modes (Wait and Stop). These modes make the DF6808 IP core well suited for automotive and battery-driven applications.
The DF6808 includes the DoCDTM real-time hardware debugger, which provides built-in support for Digital Core Design’s hardware debug system and the debugging capability of an entire system-on-a-chip (SoC). The DoCDTM enables nonintrusive debugging of running applications. It can halt, run, step into, or skip an instruction and read/write any microcontroller contents, including all registers, user-defined peripherals, data, and program memories.
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