PCI6421 datasheet(135/204 Pages) TI

135 / 204 page

5−23

5.21 ExCA I/O Windows 0 and 1 Offset-Address Low-Byte Registers

These registers contain the low byte of the 16-bit I/O window offset address for I/O windows 0 and 1. The 8 bits of

these registers correspond to the lower 8 bits of the offset address, and bit 0 is always 0.

Bit

Name

ExCA I/O windows 0 and 1 offset-address low-byte

Type

Default

ExCA I/O window 0 offset-address low-byte

Offset:

CardBus Socket Address + 836h:

Card A ExCA Offset 36h

Card B ExCA Offset 76h

ExCA I/O window 1 offset-address low-byte

Offset:

CardBus Socket Address + 838h:

Card A ExCA Offset 38h

Card B ExCA Offset 78h

Type:

Read/Write, Read-only

Default:

00h

5.22 ExCA I/O Windows 0 and 1 Offset-Address High-Byte Registers

These registers contain the high byte of the 16-bit I/O window offset address for I/O windows 0 and 1. The 8 bits of

these registers correspond to the upper 8 bits of the offset address.

Bit

Name

ExCA I/O windows 0 and 1 offset-address high-byte

Type

Default

ExCA I/O window 0 offset-address high-byte

Offset:

CardBus Socket Address + 837h:

Card A ExCA Offset 37h

Card B ExCA Offset 77h

ExCA I/O window 1 offset-address high-byte

Offset:

CardBus Socket Address + 839h:

Card A ExCA Offset 39h

Card B ExCA Offset 79h

Type:

Read/Write

Default:

00h

PCI6421 Datasheet(PDF) 135 Page - Texas Instruments

PCI6421 Datasheet(HTML) 135 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL