Samsung S5PC100, User Manual

Page: 1858 / 1863

ELECTRICAL DATA S5PC100 USER’S MANUAL (REV1.0)
12.1-26
11 SDMMC AC ELECTRICAL CHARACTERISTICS
Figure 12.1- 14 High Speed SDMMC Interface Timing
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 Symbol Min Type. Max Unit
SD Command output Delay time
tSDCD 1.0
−
14.0 ns
SD Command input Setup time
tSDCS 4.0
(1) − −
ns
SD Command input Hold time
tSDCH
− −
0.1 ns
SD Data output Delay time
tSDDD 1.0
−
14.0 ns
SD Data input Setup time
tSDDS 4.0
(2) − −
ns
SD Data input Hold time
tSDDH
− −
0.1 ns
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).