lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet - Page 232

• Manufacturer Part Number: lpc47s457-ns
• Description: Advanced I/o With X-bus Interface
• Manufacturer: Standard Microsystems Corp.

SMSC LPC47S45x
Note: L1=Start; L2=CYCTYP+DIR; L3=Sync of 0000
Note: L1=Start; L2=CYCTYP+DIR; L3=Sync of 0000
LFRAME#
LFRAME#
LAD[3:0]#
LAD[3:0]#
PCI_CLK
PCI_CLK
NAME
Input
CLK
t1
t2
PCI_CLK
LDRQ#
Input Set Up Time to CLK – Bused Signals
Input Hold Time from CLK
FIGURE 19 − INPUT TIMING MEASUREMENT CONDITIONS, LPC SIGNALS
FIGURE 22 − DMA REQUEST ASSERTION THROUGH LDRQ#
L1
L1
L2
L2
DESCRIPTION
Start
Address
Address
DATASHEET
FIGURE 20 − I/O WRITE
FIGURE 21 − I/O READ
MSB
Page 232 of 259
Data
TAR
t1
Inputs Valid
Sync=0110
TAR
MIN
7
0
LSB
t2
Sync=0110
TYP
L3
ACT
Data
MAX
L3
UNITS
TAR
TAR
ns
ns
Rev. 08-10-09