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USB-EK01 Users Manual (Rev 1.0)
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4.2.3 USB-IK01(Expansion Board) Memory Map
The USB-IK01 board used RAM and ROM to the application that a memory size
and program size was large so as to be able to extend an external memory. In case
of ROM, it use Flash memory so user don
’
t need to special ROM Writer, and added
LED switch (DIP/Tact) for I/O test, and was equipped with a chip (PCF8574) that can
expand I/O through I2C interface.
Also, user can freely make a hardware program with EPLD(XC9536XL). (In other
words, it can exchange an area of address and usage methods of I/O.) This modify
can perform to connect a printer port of PC without special device.(Inclusion ISP
interface itself).
[Figure 4.5 USB-IK01 Out-side View]
[Figure 4.5 USB-IK01 and USB-EK01 combination]