STM32F103xC, STM32F103xD, STM32F103xE
Table 53.
Symbol
f
PP
t
W(CKL)
t
W(CKH)
t
r
t
f
t
C
CMD, D inputs (referenced to CK)
t
ISU
t
IH
Input setup time
Input hold time
C
L
≤
30 pF
C
L
≤
30 pF
Electrical characteristics
SD / MMC characteristics
Parameter
Clock frequency in data transfer
mode
Clock low time
Clock high time
Clock rise time
Clock fall time
Conditions
C
L
≤
30 pF
C
L
≤
30 pF
C
L
≤
30 pF
C
L
≤
30 pF
C
L
≤
30 pF
Min
0
TBD
TBD
ns
TBD
TBD
Max
TBD
Unit
MHz
TBD
ns
TBD
CMD, D outputs (referenced to CK) in MMC and SD HS mode
t
OV
t
OH
Output valid time
Output hold time
C
L
≤
30 pF
C
L
≤
30 pF
TBD
TBD
ns
CMD, D outputs (referenced to CK) in SD default mode
(1)
t
OVD
t
OHD
Output valid default time
Output hold default time
C
L
≤
30 pF
C
L
≤
30 pF
TBD
TBD
ns
1. Refer to SDIO_CLKCR, the SDI clock control register to control the CK output.
USB characteristics
The USB interface is USB-IF certified (Full Speed).
Table 54.
USB startup time
Parameter
USB transceiver startup time
Max
1
Unit
µs
Symbol
t
STARTUP
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