W83C553F Datasheet, PDF (90/159 Pages) Winbond – SYSTEM I/O CONTROLLER WITH PCI ARBITER

W83C553F
Electrical Specifications
Extended Mode Register (default = 0xh)
Type:
Write only
Bit Description:
Bits [7:6]:
Bits [5:4]:
Bits [3:2]:
Bits [1:0]
Reserved.
Timing.
Bit 5
0
0
1
1
Bit 4
0
1
0
1
Compatible Timing
A
B
F
Note: IOR# is 1 BCLK wide for IO to Memory DMA
Note: IOW# is 3-5BCLK wide for Memory to IO DMA
Reserved.
DMAC[1:0] Channel Select.
DMAC1
Bit 1 Bit 0 Channel Select
0
0
0
0
1
1
1
0
2
1
1
3
DMAC2
Channel Select
Reserved
5
6
7
DMA Page Registers (default = 00h)
Type:
Read/Write
Bit Description:
Bits [7:0]:
AD[31:24].
WINBOND SYSTEMS LABORATORY
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