NEC V25 Development Board

Description

NEC V25 development board. The NEC V25 (μPD70320) was the microcontroller version of the NEC V20 processor.
Features included:
* NEC V20 core: 16 bit internal architecture, 8-bit external data path, 20-bit address bus, 256 bytes internal RAM
* Timers
* Internal interrupt controller
* Dual-channel UART and baud rate generator for serial communications
Development software included on original 5.25” MSDOS floppy disks. Note: I have no way to verify that these disks are still readable.