w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 84

• Manufacturer Part Number: w83c554f
• Description: System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
• Manufacturer: Winbond Electronics Corp America

W83C554F
DMA Controller Mode Register
Type:
Bit Description:
WINBOND ELECTRONICS CORP. AMERICA
Bits [7:6]:
Bit 5:
Bit 4:
Bits [3:2]:
Bits [1:0]:
Write only
Transfer Mode.
Decrement Address. When set to "1", address pointer is decremented after each transfer.
Default is incrementing address.
Auto initialize Enable.
Transfer Type.
Channel Select.
Bit 7
Bit 3
0
0
1
1
0
0
1
1
Bit 6
Bit 2
0
1
0
1
0
1
0
1
=
=
=
=
=
=
=
=
Demand Mode
Single Mode
Block Mode
Cascade Mode
Verify
Write
Read
Illegal Type
Register Information
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