cl-pd6833 Cirrus Logic, Inc., cl-pd6833 Datasheet - Page 176

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

13.9
This register is similar to the request register of the Intel 8237. Reads from this register are undefined and
only the set request bit has any meaning for this implementation.
Bits 1:0 — Reserved
Bit 2 — Set Request
Bits 7:3 — Reserved
176
Register Name: Request Register
I/O Index: 9h
Bit 7
If the transfer mode bits are set to do block transfers, this bit initiates transfers with no hardware
request present on the PC Card interface.
DMA OPERATION REGISTERS
Request Register
Bit 6
Reserved
R:00000
Bit 5
Bit 4
Bit 3
Set Request
ADVANCE DATA BOOK v0.3
Bit 2
W:0
PCI-to-CardBus Host Adapter
Register Compatibility Type: DMA
Bit 1
Register Per: socket
Reserved
CL-PD6833
R:00
June 1998
Bit 0