The M80C186EB is the first product in a new generation of low-power, high-integration microprocessors. It enhances the existing 186 family by offering new features and new operating modes. The M80C186EB is object code compatible with the M80C186/M80C188 microprocessors.
The feature set of the M80C186EB meets the needs of low power, space critical applications. Low-power applications benefit from the static design of the CPU core and the integrated peripherals. Minimum current consumption is achieved by providing a Powerdown mode that halts operation of the device, and freezes the clock circuits. Peripheral design enhancements ensure that non-initialized peripherals consume little current.
Space critical applications benefit from the integration of commonly used system peripherals. Two serial channels are provided for services such as diagnostics, inter-processor communication, modem interface, terminal display interface, and many others. A flexible chip select unit simplifies memory and peripheral interfacing. The interrupt unit provides sources for up to 129 external interrupts and will prioritize these interrupts with those generated from the on-chip peripherals. Three general purpose timer/counters and sixteen multiplexed I/O port pins round out the feature set of the M80C186EB.
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