3.7  Intel i80186/i80C186 processor, Intel i80188/i80C188 processor

Identification

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Model name: i80186/i80C186, i80188/i80C188.
Supplier: Intel.
Component class: CPU.

Generation

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Generation: 80186.

Compatibility

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Intel i8086 CPU / Intel i8088 CPU with extra features:

• 2 programmable DMA controllers (Direct Memory Access),
• 3 timers,
• PIC (Programmable Interrupt Controller),
• integrated clock generator,
• Intel i80C186 CPU, Intel i80C188 CPU: DRAM refresh control unit,
• Intel i80C186 CPU, Intel i80C188 CPU: power save mode,
• extra instructions: all of the Intel i80286 CPU real mode instructions.

The Intel i80C188 CPU has no NPX interface (Numeric Processor Extension).

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3.7.1  Intel i80186/i80C186 processor

3.7.2  Intel i80188/i80C188 processor

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