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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
MODEM INTERFACE
23-9
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
XhiADR
XhiCSn
XhiOEn
XhiDATA
t
AVRD
t
CSVRD
t
ACSDV
t
RD
t
RDH
t
RDDV
t
ADH
t
CSRD
Figure 23-6 Modem interface read timing diagram
Table 23-3 Modem interface read timing
Parameter
Description
Min (ns)
Max (ns)
Notes
t
AVRD
Address valid to address invalid
50 ns
-
t
ADH
Address hold
0 ns
t
CSVRD
Chip select active
50 ns
-
t
CSRD
Chip select active to Read active
14 ns
-
t
RD
Read active
36 ns
-
t
RDDV
Read active to data valid
- 35
ns
t
RDH
Read data hold
6 ns
-
t
ACSDV
Address and chip select active to
data valid
- 49
ns
Note ) Output load is 30pF at room temperature (25
℃
)