Datasheet

Electrical characteristics STM32F103xC, STM32F103xD, STM32F103xE
100/130 Doc ID 14611 Rev 8
SD/SDIO MMC card host interface (SDIO) characteristics
Unless otherwise specified, the parameters given in Ta ble 55 are derived from tests
performed under ambient temperature, f
PCLKx
frequency and V
DD
supply voltage conditions
summarized in Table 1 0 .
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
ai14887
CK
D, CMD
(output)
t
OVD
t
OHD
ai14888