NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 510

• Manufacturer Part Number: NH82801DB S L8DE
• Manufacturer: Intel

Specifications of NH82801DB S L8DE

• Lead Free Status / RoHS Status: Compliant

AC ’97 Modem Controller Registers (D31:F6)
15.2.10
510
CAS—Codec Access Semaphore Register
I/O Address:
Default Value:
Lockable:
Reads across DWord boundaries are not supported.
Bit
7:1
0
Reserved
Codec Access Semaphore (CAS) — R/W-Special. This bit is read by software to check whether a
codec access is currently in progress.
0 = No access in progress.
1 = The act of reading this register sets this bit to 1. The driver that read this bit can then perform
an I/O access. Once the access is completed, hardware automatically clears this bit.
NABMBAR + 44h
00h
No
Description
Attribute:
Size:
Power Well:
Intel
R/W
8 bits
Core
®
82801DB ICH4 Datasheet