G.G. (Italy)
Video: my Z80 NANO COMPUTER final release (4th) : DL2416 displays
My fourth training Z80 board, completed with vent power supply, Z80 ceramic purple Mostek-Zilog CPU, ROM 8K (Bios plus main programs), RAM 8 + 8K (SRAM or NVRAM) , SIO RS-232 USART 8251, PIO 8255, 25 pin IBM PC Standard Parallel Port bidirectional nibble mode interface, additional memory mapped 8bit parallel I/O, E2/Eprom programmer via HW bit-to-bit or SW with ZIF sockets, programmable tone generator (555 as orgue), Hex keyboard (74C923), Hex LED Display, ASCIII 16 segment LED Display (DL2416), 3 Clocks types ( 2.5MHz; 4 Hz; instruction stepping), dip switches for interrupt Zero Mode, Windows Visual Basic Software for serial & parallel data transmission between the Z80 and an IBM Personal Computer. Quite all components are vintage original 1980's
Video: my Z80 NANO COMPUTER final release (4th) : DL2416 displays
My fourth training Z80 board, completed with vent power supply, Z80 ceramic purple Mostek-Zilog CPU, ROM 8K (Bios plus main programs), RAM 8 + 8K (SRAM or NVRAM) , SIO RS-232 USART 8251, PIO 8255, 25 pin IBM PC Standard Parallel Port bidirectional nibble mode interface, additional memory mapped 8bit parallel I/O, E2/Eprom programmer via HW bit-to-bit or SW with ZIF sockets, programmable tone generator (555 as orgue), Hex keyboard (74C923), Hex LED Display, ASCIII 16 segment LED Display (DL2416), 3 Clocks types ( 2.5MHz; 4 Hz; instruction stepping), dip switches for interrupt Zero Mode, Windows Visual Basic Software for serial & parallel data transmission between the Z80 and an IBM Personal Computer. Quite all components are vintage original 1980's