PCI7510 datasheet(111/234 Pages) TI

111 / 234 page

5–2

16-Bit Legacy-Mode Base Address

PCI7510 Configuration Registers

10h

Card Bus Socket/ExCA Base Address

Note: The 16-bit legacy-mode base address

indicated by the shading.

44h

Index

Data

Host I/O Space

PC Card A

ExCA

Registers

PC Card B

ExCA

Registers

00h

Offset

3Fh

40h

7Fh

Offset of desired register is placed in the index register and the

data from that location is returned in the data register.

Offset

Figure 5–1. ExCA Register Access Through I/O

16-Bit Legacy-Mode Base Address

CardBus Socket/ExCA Base Address

10h

44h

CardBus

Socket A

Registers

ExCA

Registers

Card A

20h

800h

844h

Host

Memory Space

CardBus

Socket B

Registers

ExCA

Registers

Card B

20h

800h

844h

Host

Memory Space

Note: The CardBus socket/ExCA base

address mode register is separate for

functions 0 and 1.

address register’s base address.

Offsets are from the CardBus socket/ExCA base

00h

PCI7510 Configuration Registers

Offset

Figure 5–2. ExCA Register Access Through Memory

PCI7510 Datasheet(PDF) 111 Page - Texas Instruments

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