Intel 386 User Manual

Page 71

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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL

4-20

Asynchronous Serial I/O Channel 1 (COM2)

F8F8H

02F8H

Byte

RBR1/TBR1/DLL1

XX/XX/02H

F8F9H

02F9H

Byte

IER1/DLH1

00H/00H

F8FAH

02FAH

Byte

IIR1

01H

F8FBH

02FBH

Byte

LCR1

00H

F8FCH

02FCH

Byte

MCR1

00H

F8FDH

02FDH

Byte

LSR1

60H

F8FEH

02FEH

Byte

MSR1

X0H

F8FFH

02FFH

Byte

SCR1

XX

Table 4-2. Peripheral Register Addresses (Sheet 6 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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