cl-pd6833 Cirrus Logic, Inc., cl-pd6833 Datasheet - Page 107

• Manufacturer Part Number: cl-pd6833
• Description: Pci-to-cardbus Host Adapter
• Manufacturer: Cirrus Logic, Inc.

CL-PD6833
PCI-to-CardBus Host Adapter
9.1.2
There are two separate System I/O Map Start Address Low registers, each with identical fields. These
registers are located at the following indexes:
Bits 7:0 — Start Address 7:0
9.1.3
There are two separate System I/O Map Start Address High registers, each with identical fields. These
registers are located at the following indexes:
Bits 7:0 — Start Address 15:8
June 1998
Register Name: System I/O Map 0–1 Start Address Low
I/O Index: 08h, 0Ch
Memory Offset: 808h, 80Ch
Register Name: System I/O Map 0–1 Start Address High
I/O Index: 09h, 0Dh
Memory Offset: 809h, 80Dh
Index (Socket A)
08h
0Ch
Index (Socket A)
09h
0Dh
Bit 7
Bit 7
This register contains the least-significant byte of the address that specifies where in the I/O space
the corresponding I/O map begins. I/O accesses that are equal to or above this address and equal
to or below the corresponding System I/O Map End Address are mapped into the I/O space of the
corresponding PC Card.
The most-significant byte is located in the System I/O Map 0–1 Start Address High register.
This register contains the most-significant byte of the Start Address. See the description of the Start
Address field associated with bits 7:0 of the System I/O Map 0–1 Start Address Low register (on
page
System I/O Map 0–1 Start Address Low
System I/O Map 0–1 Start Address High
107).
ADVANCE DATA BOOK v0.3
Bit 6
Bit 6
Register
System I/O Map 0 Start Address Low
System I/O Map 1 Start Address Low
Register
System I/O Map 0 Start Address High
System I/O Map 1 Start Address High
Bit 5
Bit 5
Bit 4
Bit 4
Start Address 15:8
Start Address 7:0
R/W:00000000
R/W:00000000
Bit 3
Bit 3
Bit 2
Bit 2
WINDOW MAPPING REGISTERS
Register Compatibility Type: 365
Register Compatibility Type: 365
Bit 1
Bit 1
Register Per: socket
Register Per: socket
Bit 0
Bit 0
107