STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 52

• Manufacturer Part Number: STPCI2
• Description: STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
• Manufacturer: STMicroelectronics

ELECTRICAL SPECIFICATIONS
4.5.4. PCI INTERFACE
Figure 4-6
tics of the PCI interface. PCICLKx stands for any
PCI device clock input.
Table 4-12. PCI Bus AC Timings
52/111
Note: These timings are for a load of 50pF.
Tcycle
HCLK
PCICLKx
PCICLKI
STPC.output
STPC.input
Name
Thigh
Thclk
Tclkx
Tlow
and
Parameter
HCLK to PCICLKO delay (MD[30:27] = 1111)
HCLK to PCICLKI delay
PCICLKI to PCICLKx skew
PCICLKI Cycle Time
PCICLKI High Time
PCICLKI Low Time
PCICLKI Rising Time
PCICLKI Falling Time
PCICLKI to any output
Setup to PCICLKI
Hold from PCICLKI
HCLK to any output
Setup to HCLK
Hold from HCLK
Table 4-12
T
T
hold
T
hclk
list the AC characteris-
clkx
Figure 4-6. PCI Timing Diagram
T
Issue 1.0 - July 24, 2002
output (max)
T
high
T
cycle
Min
-0.5
4.4
6.5
30
13
13
T
setup
T
T
output (min)
low
Typ
5.0
7.5
0.3
-
-
-
-
-
-
Max
5.7
8.5
1.0
1.5
1.5
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns