UPD7500 - 4-BIT MICROPROCESSOR
UPD7500 Features
* PIN CONFIGU~ATION The !,PD7500 is a !,COM-75 4-bit microprocessor with a 256 x 4 RAM, a programmable 8-bit timer/event counter, and 5 vectored, prioritized interrupts. It is capable of addressing 8,192 bytes of external memory, and also functions as the prototype Evaluation Chip for the ,uPD750X fa