Renesas R5S72641 Manual Do Utilizador
Section 37 Electrical Characteristics
Page 2040 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
37.4.16
SD Host Interface Timing
Table 37.22 SD Host Interface Timing
Item Symbol Min.
Max.
Unit
Figure
SD_CLK clock cycle
t
SDPP
2
t
pcyc
ns
Figure
37.75
37.75
SD_CLK clock high width
t
SDWH
0.4
t
SDPP
ns
SD_CLK clock low width
t
SDWL
0.4
t
SDPP
ns
SD_CMD, SD_D3 to SD_D0 output data delay
(data transfer mode)
(data transfer mode)
t
SDODLY
14
ns
SD_CMD, SD_D3 to SD_D0 input data setup
t
SDISU
5
ns
SD_CMD, SD_D3 to SD_D0 input data hold
t
SDIH
5
ns
Note: t
pcyc
indicates peripheral clock (P
) cycle.
t
SDPP
t
SDWL
t
SDIH
t
SDISU
t
SDODLY
(max)
t
SDODLY
(min)
t
SDWH
SD_CLK
SD_CMD, SD_D3 to SD_D0 input
SD_CMD, SD_D3 to SD_D0 output
Figure 37.75 SD Card Interface