Intel 386 User Manual

Page 567

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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL

D-2

F019H

Byte

DMACHR/DMAIS

00H

F01AH

Byte

DMACMD2

08H

F01BH

Byte

DMAMOD2

00H

F01CH

Byte

DMAIEN

00H

F01DH

Byte

DMAOVFE

0AH

F01EH

Byte

DMACLRTC

Not a register

Master Interrupt Controller

F020H

0020H

Byte

ICW1m/IRRm/ISRm/
OCW2m/OCW3m

XX

F021H

0021H

Byte

ICW2m/ICW3m/ICW4m/
OCW1m/POLLm

XX

Address Configuration Register

0022H

0022H

Word

REMAPCFG

0000H

Timer/counter Unit

F040H

0040H

Byte

TMR0

XX

F041H

0041H

Byte

TMR1

XX

F042H

0042H

Byte

TMR2

XX

F043H

0043H

Byte

TMRCON

XX

DMA Page Registers

F080H

Reserved

F081H

0081H

Reserved

F082H

0082H

Reserved

F083H

0083H

Byte

DMA1TAR2

XX

F084H

Reserved

F085H

Byte

DMA1TAR3

XX

F086H

Byte

DMA0TAR3

XX

F087H

0087H

Byte

DMA0TAR2

XX

F088H

Reserved

F089H

0089H

Reserved

F08AH

008AH

Reserved

F08BH

008BH

Reserved

F08CH

Reserved

F08DH

Reserved

Table D-1. Peripheral Register Addresses (Sheet 2 of 6)

Expanded

Address

PC/AT

Address

Access Type

(Byte/Word)

Register Name

Reset Value

NOTES:
1.

Byte pointer in flip-flop in DMA determines which register is accessed.

2.

Shaded rows indicate reserved areas.

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