Hi,
In Hnostar #44 there is a small note about ZiLOG's new CPU: eZ80. It is a
Z80-compatible chip that runs four times faster than a Z80 at the same
clockrate, and can run at up to 80Mhz. It can address up to 16Mb of RAM
and has three memory models: native Z80, virtual Z80 and ADL. In native
Z80 mode it works as a normal Z80. In virtual Z80 mode, the memory is
organized in 64Kb chunks, but the CPU works like a normal Z80, so there
can be several native Z80 programs running in memory, each one with its
own address space. In ADL mode the full 24 bit memory range is available,
and 16 bit Z80 registers become 24 bits long.
But the best of this chip is (in my opinion) that it has an EMBEDDED
TCP/IP STACK implemented in hardware, so programmers can write network
applications without having to write their own TCP/IP stack.
Maybe this is the new Z80 chip we heard about when the roumours about the
new MSX started?
Take a look at the short article I wrote in aamsx.org:
http://www.aamsx.org/vernoticia.php?lang=en&id=85
You can download PDF files about the eZ80 there.
Regards,
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