Samsung S3C2451X User Manual page 751

S3C2451X RISC MICROPROCESSOR
Table 29-21. SD/MMC Interface Transmit/Receive Timing Constants
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDD_SD = 3.3V ± 0.3V)
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
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDD_SD = 3.3V ± 0.3V)
Parameter
SPI MOSI Master Output Delay time
SPI MOSI Slave Input Setup time
SPI MOSI Slave Input Hold time
SPI MISO Slave output Delay time
SPI MISO Master Input Setup time
SPI MISO Master Input Hold time
NOTE: * tSPIMIS value is 0 when the feedback clock use mode
Table 29-23. High Speed SPI Interface Transmit/Receive Timing Constants
(VDDi= 1.3V± 0.05V (400MHz), VDDi= TBD V± 0.05V (533MHz), TA = -40 to 85°C, VDD_SD = 3.3V ± 0.3V)
Parameter
SPI MOSI Master Output Delay time
SPI MOSI Slave Input Setup time
SPI MOSI Slave Input Hold time
SPI MISO Slave output Delay time
SPI MISO Master Input Setup time
SPI MISO Master Input Hold time
Table 29-22. SPI Interface Transmit/Receive Timing Constants
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.
Symbol Min
t
0
SDCD
t
15.0
SDCS
t
-
SDCH
t
0.1
SDDD
t
15.5
SDDS
t
-
SDDH
Symbol Min
t
0
SPIMOD
t
0.0
SPISIS
t
0.0
SPISIH
t
4.4
SPISOD
t
0 / 13.0 *
SPIMIS
t
0.0
SPIMIH
Symbol Min
t
0.9
SPIMOD
t
1
SPISIS
t
1
SPISIH
t 6.6
SPISOD
t
1
SPIMIS
t
1
SPIMIH
ELECTRICAL DATA
Typ. Max
– 0.1
– –
– 0.1
– 0.36
– –
– 0.1
Typ. Max
– 1.3
– 0.0
– 0.0
– 15.0
– –
– 0.0
Typ. Max
– 3.4
– 1
– 1
– 17.5
– 2
– 1
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
29-27