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This document provides a comprehensive technical specification for the Intel 80C186EB, 80C188EB, 80L186EB, and 80L188EB 16-bit high-integration embedded processors. These devices are designed for low-power and space-critical applications, featuring a fully static CPU core and integrated peripherals such as serial channels, timers, and a flexible chip-select unit.
| Operating Voltage (Low Power) | 3V |
|---|---|
| Operating Voltage (Standard) | 5V |
| Maximum Clock Frequency (3V) | 16 MHz |
| Maximum Clock Frequency (5V) | 25 MHz |
| Data Bus Width | 16-bit |
| Interrupt Sources | Up to 129 |
| Timer/Counter Channels | Three |
| Serial Channels | Two |
| Chip Selects | Ten |
| Memory Addressing | 1 Mbyte |
| I/O Addressing | 64 Kbyte |
| Package Types | QFP, PLCC, SQFP |
The 'L' in the part number denotes low voltage operation, while the 'C' denotes standard voltage operation.
Yes, the 'C' and 'L' devices are physically and functionally identical.
The maximum clock frequency for the 3V version is 16 MHz.