Samsung S5PC100 User Manual page 1858

ELECTRICAL DATA
11 SDMMC AC ELECTRICAL CHARACTERISTICS
Table 12.1- 17 High Speed SDMMC Interface Transmit/Receive Timing Constants
(VDD_INTNT= 1.2V± 0.05V, TA = -40 to 85°C, VDDmmc = 3.3V ± 0.3V, 2.5V ± 0.2V, 1.8V ± 0.1V)
Parameter
SD Command output Delay time
SD Command input Setup time
SD Command input Hold time
SD Data output Delay time
SD Data input Setup time
SD Data input Hold time
NOTE (1), (2): This values shows when the Rx Feedback Clock selections are enabled. If the Rx Feedback Clock selection
disabled, setup time increases to 14ns (this setting should be used in low speed mode).
12.1-26
Figure 12.1- 14 High Speed SDMMC Interface Timing
Symbol Min
tSDCD 1.0
(1)
tSDCS 4.0
−
tSDCH
tSDDD 1.0
(2)
tSDDS 4.0
−
tSDDH
S5PC100 USER'S MANUAL (REV1.0)
Type. Max
−
14.0
− −
−
0.1
−
14.0
− −
−
0.1
Unit
ns
ns
ns
ns
ns
ns