Dos-Compatible Mode - Intel 386 User Manual

Intel386™ EX EMBEDDED MICROPROCESSOR USER'S MANUAL
3FFH
0
23H
REMAPCFG
Register
22H
0
0H
4-10
On-chip UART-0
On-chip UART-1
On-chip 8259A-2
On-chip Timer
0
0 0 0 0 0 0
On-chip 8259A-1
On-chip DMA
DOS I/O Space
Figure 4-5. DOS-Compatible Mode
0
Expanded I/O Space
Note:
Shaded area indicates that
expanded I/O space peripherals
are not accessible
FFFFH
F000H
A2495-02