Datasheet

Electrical characteristics STM32F103xC, STM32F103xD, STM32F103xE
104/143 DS5792 Rev 13
USB characteristics
The USB interface is USB-IF certified (Full Speed).
CMD, D inputs (referenced to CK)
t
ISU
Input setup time C
L
≤ 30 pF 2 -
ns
t
IH
Input hold time C
L
≤ 30 pF 0 -
CMD, D outputs (referenced to CK) in MMC and SD HS mode
t
OV
Output valid time C
L
≤ 30 pF - 6
ns
t
OH
Output hold time C
L
≤ 30 pF 0 -
CMD, D outputs (referenced to CK) in SD default mode
(1)
t
OVD
Output valid default time C
L
≤ 30 pF - 7
ns
t
OHD
Output hold default time C
L
≤ 30 pF 0.5 -
1. Refer to SDIO_CLKCR, the SDI clock control register to control the CK output.
Table 56. USB startup time
Symbol Parameter Max Unit
t
STARTUP
(1)
1. Guaranteed by design.
USB transceiver startup time 1 µs
Table 55. SD / MMC characteristics
Symbol Parameter Conditions Min Max Unit