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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
ELECTRICAL DATA
41-33
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.
HS_SDCLK
tHSDCD
HS_SDCMD (out)
tHSDCH
tHSDCS
tHSDDD
HS_SDCMD (in)
tHSDDH
tHSDDS
HS_SDDATA[7:0] (in)
HS_SDDATA[7:0] (out)
Figure 41-21. High Speed SDMMC Interface Timing
Table 41-18. High Speed SDMMC Interface Transmit/Receive Timing Constants
(VDDINT= 1.0V
±
0.05V, TA = -40 to 85
°
C, VDDMMC = 3.3V
±
0.3V, 2.5V
±
0.25V, 1.8V
±
0.15V)
Parameter Symbol
Min
Typ.
Max
Unit
SD Command output Delay time
tSDCD 1.0 –
8.0 ns
SD Command input Setup time
tSDCS 14.0
(1)
–
– ns
SD Command input Hold time
tSDCH - – 0.1 ns
SD Data output Delay time
tSDDD 1.0 –
8.4 ns
SD Data input Setup time
tSDDS 14.0
(2)
–
– ns
SD Data input Hold time
tSDDH - – 0.1 ns
Note (1), (2) : This values shows when the Feedback Clock selections are disabled. If the Feedback Clock
selection enabled, setup time reduced to 3ns.