Datasheet

DocID14611 Rev 10 101/136
STM32F103xC, STM32F103xD, STM32F103xE Electrical characteristics
129
SD/SDIO MMC card host interface (SDIO) characteristics
Unless otherwise specified, the parameters given in Table 5 5 are derived from tests
performed under ambient temperature, f
PCLKx
frequency and V
DD
supply voltage conditions
summarized in Table 10.
Refer to Section 5.3.14: I/O port characteristics for more details on the input/output alternate
function characteristics (D[7:0], CMD, CK).
Figure 54.SDIO high-speed mode
Figure 55.SD default mode
t
W(CKH)
CK
D, CMD
(output)
D, CMD
(input)
t
C
t
W(CKL)
t
OV
t
OH
t
ISU
t
IH
t
f
t
r
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CK
D, CMD
(output)
t
OVD
t
OHD
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