The microprocessor is convenient for international shipping since it is packaged in PQFP. The packaging method Bulk provides high reliability. 20MHz is the CPU's frequency. Datasheets for 80 pin functions can be found here. This CPU is widely used in a variety of applications with its Surface Mount mounting. Currently, the CPU core voltage is 5V.
ES80C188EB20 Features
ES80C188EB20 Applications
There are a lot of Intel ES80C188EB20 Microprocessor applications.