Datasheet

6.5.2.1 SDR mode timing specifications
Figure 23. SDR CMD-DATx Read Timing
Figure 24. SDR CMD-DATx Write Timing
Table 37. SDR mode timing specification
ID Parameter Symbols Min Max Unit
Card Input Clock
SD1 Clock Frequency (Low
Speed)
f
PP
1
0 400 kHz
Clock Frequency (SD/
SDIO Full Speed/High
Speed)
f
PP
2
0 25/50 MHz
Clock Frequency (MMC
Full Speed/High Speed)
f
PP
3
0 20/52 MHz
Clock Frequency
(Identification Mode)
f
OD
100 400 kHz
SD2 Clock Duty Cycle t
DC
45 55 %
eSDHC Output/Card Inputs CMD, DAT (Reference to CLK)
Table continues on the next page...
Communication modules
S32V234 Data Sheet, Rev. 8, 01/2019
44 NXP Semiconductors