參數(shù)資料
型號: W83C554F
英文描述: W83C554F Highly Integrated System I/O Controller for Power PC TM (South Bridge) & UltraDMA/33 IDE Controller QFP 208
中文描述: W83C554F高度集成的系統(tǒng)的I / O控制器的Power PC商標(biāo)(南橋)
文件頁數(shù): 132/159頁
文件大?。?/td> 3991K
代理商: W83C554F
W83C553F
Electrical Specifications
WINBOND SYSTEMS LABORATORY
129
Table 4-4. Programming CMD ON and CMD OFF Times
(for 33 MHz PCI Bus Clock)
Drive Operation
Mode
Cycle Time /
DIOR#/DIOW# 16-bit
(minimum)
600ns/165ns
383ns/125ns
240ns/100ns
180ns/80ns
120ns/70ns
90ns/50ns
CMD ON TIME Clocks
(Programmed/Actual)
CMD OFF TIME Clocks
(Programmed/Actual)
PIO Mode 0
PIO Mode 1
PIO Mode 2
PIO Mode 3
PIO Mode 4
PIO Mode 5
(proposed)
Single Word DMA
Mode 0
Multiword DMA
Mode 0
Multiword DMA
Mode 1
Multiword DMA
Mode 2
Multiword DMA
Mode 3
(proposed)
5/6
4/5
3/4
2/3
2/3
1/2
13/14
7/8
4/5
2/3
0/1
0/1
960ns/480ns
15/16
15/16
480ns/215ns
7/8
7/8
150ns/80ns
2/3
1/2
120ns/70ns
2/3
0/1
90ns/50ns
1/2
0/1
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