pnx8526 NXP Semiconductors, pnx8526 Datasheet - Page 47

• Manufacturer Part Number: pnx8526
• Description: Programmable Source Decoder With Integrated Peripherals
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 15101
Product data sheet
12.3 Main Memory Interface (MMI) timing
Table 23:
[1]
[2]
Table 24:
Symbol Parameter
t
t
Symbol
t
t
t
t
t
t
OD(min)
OD(max)
cs
ch
dso
dho
dsi
dhi
Fig 7. MMI timing
Minimum delay is the minimum time after the clock edge that a valid signal state from the previous cycle will
begin transition to the next state (become invalid).
Maximum delay is the maximum time after the clock edge that a signal state is valid for the next cycle.
minimum output delay on pins
maximum output delay on pins
Parameter
CS setup time
CS hold time
data output setup time
data output hold time
data input setup time
data input hold time
PCI output valid timing (with reference to PCI clock)
MMI timing (with reference to MCLK)
PCI_AD[31:0], PCI_CBE[3:0]
PCI_DEVSEL, PCI_PAR
PCI_STOP
PCI_TRDY
PCI_AD[31:0], PCI_CBE[3:0]
PCI_DEVSEL, PCI_PAR
PCI_STOP
PCI_TRDY
PCI_REQ
PCI_REQ
Rev. 02 — 11 July 2005
and address
MMI control
MMI DATA
Programmable source decoder with integrated peripherials
MMI CLK
Conditions
t
clk(L)
t
dsi,
t
Conditions
write cycle
write cycle
read cycle
read cycle
cs
t
dso
f
valid
MCLK
t
dhi,
t
ch
t
t
clk(H)
dho
[1]
[2]
Min
2
2
2
2
-
-
-
-
-
-
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
mce545
Min
1.5
0.8
1.5
0.8
0
2.0
Typ
-
-
-
-
-
-
-
-
-
-
Typ
-
-
-
-
-
-
PNX8526
Max
-
-
-
-
11
11
11
11
12
12
Max
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Unit
ns
ns
ns
ns
ns
ns