Philips P87C51FB
The ROMless devices, 80C51FA, and 80C51RA+ can address up to 64K of external memory. For systems that require extra memory capability up to 64k bytes, each can be expanded using standard TTL-compatible memories and logic.DESCRIPTION
Three different Single-Chip 8-Bit Microcontroller families are presented in this datasheet:● 8XC54/8XC58
● 80C51FA/8XC51FA/8XC51FB/8XC51FC
●...