AMD SC2200 User Manual

Page of 429
AMD Geode™ SC2200  Processor Data Book
401
Electrical Specifications 
32580B
9.3.7
LPC Interface
Figure 9-21. LPC Output Timing Diagram
Figure 9-22. LPC Input Timing Diagram
Table 9-23. LPC and SERIRQ Timing Parameters
Symbol
Parameter
Min
Max
Unit
Comments
t
VAL
Output Valid delay
0
17
ns
After PCICLK rising edge
t
ON
Float to Active delay
2
ns
After PCICLK rising edge
t
OFF
Active to Float delay
28
ns
After PCICLK rising edge
t
SU
Input Setup time
7
ns
Before PCICLK rising edge
t
HI
Input Hold time
0
ns
After PCICLK rising edge
PCICLK
LPC Signals/
SERIRQ
t
ON
t
VAL
t
OFF
PCICLK
LPC Signals/
SERIRQ
t
SU
t
HI
Input
Valid