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Electrical characteristics STM32F405xx, STM32F407xx
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5.3.27 SD/SDIO MMC card host interface (SDIO) characteristics
Unless otherwise specified, the parameters given in Table 88 are derived from tests
performed under ambient temperature, f
PCLKx
frequency and V
DD
supply voltage conditions
summarized in Table 14 with the following configuration:
• Output speed is set to OSPEEDRy[1:0] = 10
• Capacitive load C = 30 pF
• Measurement points are done at CMOS levels: 0.5V
DD
Refer to Section 5.3.16: I/O port characteristics for more details on the input/output
characteristics.
Figure 74. SDIO high-speed mode
t
su(DATA)
Data input setup time 2.5 -
ns
t
h(DATA)
Data hold time 1 -
t
su(HSYNC)
,
t
su(VSYNC)
HSYNC/VSYNC input setup time 2 -
t
h(HSYNC)
,
t
h(VSYNC)
HSYNC/VSYNC input hold time 0.5 -
1. Data based on characterization results, not tested in production.
Table 87. DCMI characteristics
(1)
(continued)
Symbol ParameterMinMaxUnit
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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