The NEC V25 (Ī¼PD70320) is the microcontroller version of the NEC V20 processor, manufactured by NEC Corporation. Features include:
NEC V20 core: 8-bit external data path, 20-bit address bus, machine code compatible with the Intel 8088 (the processor used in the original IBM PC)
On-chip peripheral hardware mapped in memory address space
Two-channel 16-bit timers
Internal interrupt controller
Dual-channel UART and baud rate generator for serial communications
Eight register banks, base address of which can be dynamically relocated with Internal Data area Base (IDB) Register.
A two-channel DMA controller, enabling the direct addressing of the entire 1MB memory address space.
It was officially phased out by NEC in early 2003.
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