The document details the 80C186/80C188 microprocessors, which are CMOS high-integration devices featuring an enhanced mode with a DRAM refresh control unit and power-save mode. When used in compatible mode, they are 100% pin-for-pin compatible with the NMOS 80186/80188, while the enhanced mode allows the full feature set of the 80C186/C188 to be utilized. The processors are upward compatible with 8086 and 8088 software and fully compatible with 80186 and 80188 software.
| Operation Modes | Enhanced mode with DRAM Refresh Control Unit, Power-save mode, Compatible Mode |
|---|---|
| Clock Frequencies | 25-MHz, 20-MHz, 16-MHz, 12.5-MHz, and 10-MHz versions |
| Memory Addressing | 1-Mbyte of memory and 64-Kbyte I/O |
| Package Types | 68-Pin PLCC, 80-Pin TQFP, 80-Pin PQFP |
| Design Type | Fully static CMOS design |
Yes, when used in compatible mode, the 80C186/C188 is 100% pin-for-pin compatible with the NMOS 80186/80188.
The processor has direct addressing capability to 1-Mbyte of memory and 64-Kbyte I/O.