Intel 386 User Manual page 567

Intel386™ EX EMBEDDED MICROPROCESSOR USER'S MANUAL
Table D-1. Peripheral Register Addresses (Sheet 2 of 6)
Expanded PC/AT
Address Address
F019H
F01AH
F01BH
F01CH
F01DH
F01EH
F020H 0020H
F021H 0021H
0022H 0022H
F040H 0040H
F041H 0041H
F042H 0042H
F043H 0043H
F080H
F081H 0081H
F082H 0082H
F083H 0083H
F084H
F085H
F086H
F087H 0087H
F088H
F089H 0089H
F08AH 008AH
F08BH 008BH
F08CH
F08DH
NOTES:
1. Byte pointer in flip-flop in DMA determines which register is accessed.
2. Shaded rows indicate reserved areas.
D-2
Access Type
(Byte/Word)
Byte DMACHR/DMAIS
Byte DMACMD2
Byte DMAMOD2
Byte DMAIEN
Byte DMAOVFE
Byte DMACLRTC
Master Interrupt Controller
Byte ICW1m/IRRm/ISRm/
OCW2m/OCW3m
Byte ICW2m/ICW3m/ICW4m/
OCW1m/POLLm
Address Configuration Register
Word REMAPCFG
Timer/counter Unit
Byte TMR0
Byte TMR1
Byte TMR2
Byte TMRCON
DMA Page Registers
Reserved
Reserved
Reserved
Byte DMA1TAR2
Reserved
Byte DMA1TAR3
Byte DMA0TAR3
Byte DMA0TAR2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Register Name Reset Value
00H
08H
00H
00H
0AH
Not a register
XX
XX
0000H
XX
XX
XX
XX
XX
XX
XX
XX