SC3200 datasheet(249/447 Pages) AMD

249 / 447 page

AMD Geode™ SC3200 Processor Data Book

249

Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0

Revision 5.1

LPC Serial Port 0 Addressing. Serial Port 0 addresses. See bit 16 for decode.

Address selection made via F0BAR1+I/O Offset 14h[4:2].

LPC Parallel Port Addressing. Parallel Port addresses. See bit 16 for decode.

Address selection made via F0BAR1+I/O Offset 14h[1:0].

Offset 14h-17h

LAD_D0 — LPC Address Decode 0 Register (R/W)

Reset Value: 00080020h

31:23

Reserved.

22:19

LPC Game Port 1 Address Select. Selects I/O Port:

0000: 200h

0100: 204h

1000: 208h

1100: 20Ch

0001: 201h

0101: 205h

1001: 209h

1101: 20Dh

0010: 202h

0110: 206h

1010: 20Ah

1110: 20Eh

0011: 203h

0111: 207h

1011: 20Bh

1111: 20Fh

Selected address range is enabled via F0BAR1+I/O Offset 10h[8].

18:15

LPC Game Port 0 Address Select. Selects I/O Port:

0000: 200h

0100: 204h

1000: 208h

1100: 20Ch

0001: 201h

0101: 205h

1001: 209h

1101: 20Dh

0010: 202h

0110: 206h

1010: 20Ah

1110: 20Eh

0011: 203h

0111: 207h

1011: 20Bh

1111: 20Fh

Selected address range is enabled via F0BAR1+I/O Offset 10h[7].

LPC Floppy Disk Controller Address Select. Selects I/O Port:

0: 3F0h-3F7h.

1: 370h-377h.

Selected address range is enabled via F0BAR1+I/O Offset 10h[6].

13:12

LPC Microsoft Sound System (MSS) Address Select. Selects I/O Port:

00: 530h-537h

10: E80h-E87h

01: 604h-60Bh

11: F40h-F47h

Selected address range is enabled via F0BAR1+I/O Offset 10h[5].

11:10

LPC MIDI Address Select. Selects I/O Port:

00: 300h-301h

10: 320h-321h

01: 310h-311h

11: 330h-331h

Selected address range is enabled via F0BAR1+I/O Offset 10h[4].

9:8

LPC Audio Address Select. Selects I/O Port:

00: 220h-233h

10: 260h-273h

01: 240h-253h

11: 280h-293h

Selected address range is enabled via F0BAR1+I/O Offset 10h[3].

7:5

LPC Serial Port 1 Address Select. Selects I/O Port:

000: 3F8h-3FFh

010: 220h-227h

100: 238h-23Fh

110: 338h-33Fh

001: 2F8h-2FFh

011: 228h-22Fh

101: 2E8h-2EFh

111: 3E8h-3EFh

Selected address range is enabled via F0BAR1+I/O Offset 10h[2].

4:2

LPC Serial Port 0 Address Select. Selects I/O Port:

000: 3F8h-3FFh

010: 220h-227h

100: 238h-23Fh

110: 338h-33Fh

001: 2F8h-2FFh

011: 228h-22Fh

101: 2E8h-2EFh

111: 3E8h-3EFh

Selected address range is enabled via F0BAR1+I/O Offset 10h[1].

1:0

LPC Parallel Port Address Select. Selects I/O Port:

00: 378h-37Fh (+778h-77Fh for ECP)

01: 278h-27Fh (+678h-67Fh for ECP) (Note)

10: 3BCh-3BFh (+7BCh-7BFh for ECP)

11: Reserved

Selected address range is enabled via F0BAR1+I/O Offset 10h[0].

Note:

279h is read only, writes are forwarded to ISA for PnP.

Table 6-31. F0BAR1+I/O Offset: LPC Interface Configuration Registers (Continued)

Bit

Description

SC3200 Datasheet(PDF) 249 Page - Advanced Micro Devices

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