參數(shù)資料
型號: STPCI2HEYI
廠商: STMICROELECTRONICS
元件分類: 外設(shè)及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA516
封裝: PLASTIC, BGA-516
文件頁數(shù): 60/109頁
文件大?。?/td> 2430K
代理商: STPCI2HEYI
STPC ATLAS
54/109
Issue 1.1 - March 23, 2004
4.5.4. PCI INTERFACE
Figure 4-6 and Table Table 4-12. list the AC char-
acteristics of the PCI interface. PCICLKx stands
for any PCI device clock input.
Figure 4-6. PCI Timing Diagram
PCICLKI
STPC.output
STPC.input
PCICLKx
Tsetup
Thold
Toutput (min)
Toutput (max)
Tcycle
Thigh
Tlow
HCLK
Thclk
Tclkx
Table 4-12. PCI Bus AC Timings
Name
Parameter
Min
Typ
Max
Unit
HCLK to PCICLKO delay (MD[30:27] = 1111)
4.4
5.0
5.7
ns
Thclk
HCLK to PCICLKI delay
6.5
7.5
8.5
ns
Tclkx
PCICLKI to PCICLKx skew
-0.5
0.3
1.0
ns
Tcycle
PCICLKI Cycle Time
30
ns
Thigh
PCICLKI High Time
13
ns
Tlow
PCICLKI Low Time
13
ns
Note: These timings are for a load of 50pF.
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