w83c553f Winbond Electronics Corp America, w83c553f Datasheet - Page 132

• Manufacturer Part Number: w83c553f
• Description: System I/o Controller With Pci Arbiter
• Manufacturer: Winbond Electronics Corp America

W83C553F
WINBOND SYSTEMS LABORATORY
Single Word DMA
Drive Operation
Multiword DMA
Multiword DMA
Multiword DMA
Multiword DMA
PIO Mode 0
PIO Mode 1
PIO Mode 2
PIO Mode 3
PIO Mode 4
PIO Mode 5
(proposed)
(proposed)
Mode 0
Mode 0
Mode 1
Mode 2
Mode 3
Mode
DIOR#/DIOW# 16-bit
Table 4-4. Programming CMD ON and CMD OFF Times
Cycle Time /
600ns/165ns
383ns/125ns
240ns/100ns
960ns/480ns
480ns/215ns
(minimum)
180ns/80ns
120ns/70ns
150ns/80ns
120ns/70ns
90ns/50ns
90ns/50ns
(for 33 MHz PCI Bus Clock)
CMD ON TIME Clocks
(Programmed/Actual)
15/16
5/6
4/5
3/4
2/3
2/3
1/2
7/8
2/3
2/3
1/2
CMD OFF TIME Clocks
Electrical Specifications
(Programmed/Actual)
13/14
15/16
7/8
4/5
2/3
0/1
0/1
7/8
1/2
0/1
0/1
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