NH82801HBM S LB9A Intel, NH82801HBM S LB9A Datasheet - Page 348

• Manufacturer Part Number: NH82801HBM S LB9A
• Description: CONTROLLER HUB, ICH8M, I/O, 82801HBM
• Manufacturer: Intel

Specifications of NH82801HBM S LB9A

• Power Dissipation Pd: 2.4W
• Digital Ic Case Style: BGA
• No. Of Pins: 676
• Pci Bus Type: I/O Controller Hub
• Pci Express Base Spec: PCIe 1.1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.2.6
348
DMA_WRSMSK—DMA Write Single Mask Register
(LPC I/F—D31:F0)
I/O Address:
Default Value:
Lockable:
7:3
1:0
Bit
2
Reserved. Must be 0.
Channel Mask Select — WO.
0 = Enable DREQ for the selected channel. The channel is selected through bits [1:0].
1 = Disable DREQ for the selected channel.
DMA Channel Select — WO. These bits select the DMA Channel Mode Register to
program.
00 = Channel 0 (4)
01 = Channel 1 (5)
10 = Channel 2 (6)
11 = Channel 3 (7)
Therefore, only one channel can be masked / unmasked at a time.
Ch. #0
Ch. #4
0000 01xx
No
–
–
3 = 0Ah;
7 = D4h
Description
Attribute:
Size:
Power Well:
LPC Interface Bridge Registers (D31:F0)
WO
8-bit
Core
Intel
®
ICH8 Family Datasheet