From Wikipedia, the free encyclopedia
The NEC V25 (μPD70320) 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
[1]
- Eight
register banks,
[2] base address of which can be dynamically relocated with Internal Data area Base (IDB) Register.
[3]
- A two-channel
DMA controller, enabling the direct addressing of the entire 1MB memory address space.
[4]
It was officially phased out by NEC in early 2003.
[5]
References
|
---|
Divisions and subsidiaries | | |
---|
Joint ventures and shareholdings | |
---|
Products, services and standards | |
---|
People | |
---|
Places | |
---|
Other | |
---|
|