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CD00253742 Datasheet, PDF (99/120 Pages) STMicroelectronics – XL-density performance line ARM-based 32-bit MCU
STM32F103xF, STM32F103xG
Electrical characteristics
Table 58. SD / MMC characteristics
Symbol
Parameter
Conditions
Min
fPP
Clock frequency in data transfer
mode
CL ≤ 30 pF
0
tW(CKL) Clock low time, fPP = 16 MHz
CL ≤ 30 pF
32
tW(CKH) Clock high time, fPP = 16 MHz
CL ≤ 30 pF
30
tr
Clock rise time
CL ≤ 30 pF
-
tf
Clock fall time
CMD, D inputs (referenced to CK)
CL ≤ 30 pF
-
tISU
Input setup time
tIH
Input hold time
CL ≤ 30 pF
2
CL ≤ 30 pF
0
CMD, D outputs (referenced to CK) in MMC and SD HS mode
tOV
Output valid time
CL ≤ 30 pF
-
tOH
Output hold time
CL ≤ 30 pF
0
CMD, D outputs (referenced to CK) in SD default mode(1)
tOVD Output valid default time
CL ≤ 30 pF
-
tOHD Output hold default time
CL ≤ 30 pF
0.5
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 59. USB startup time
Symbol
Parameter
tSTARTUP(1)
USB transceiver startup time
1. Guaranteed by design, not tested in production.
Max
1
Max Unit
48
MHz
-
-
ns
4
5
-
ns
-
6
ns
-
7
ns
-
Unit
µs
Doc ID 16554 Rev 3
99/120