Specifications

I/O Space
3-16
3.6 I/O Space
The I/O-space memory addresses up to 64K 16-bit words. Figure 3–10 shows
the I/O space address map for the ’240x.
Figure 3–10. I/O Space Address Map for ’240x
Wait-state generator
control register‡
0000h
External
FEFF
FF00
FFFF
FF0E
FF0F
FF10
FFFE
Reserved/Illegal
Reserved
Flash control
mode register†
†
Available only on Flash devices.
‡
Available only on devices with external memory interface.