STM32F103XC_11 Datasheet, PDF (101/130 Pages) STMicroelectronics – High-density performance line ARM-based 32-bit MCU with 256 to 512KB Flash, USB, CAN

STM32F103xC, STM32F103xD, STM32F103xE
Electrical characteristics
Table 55. SD / MMC characteristics
Symbol
Parameter
Conditions
Min
f_PP
Clock frequency in data transfer
mode
C_L ≤ 30 pF
0
t_W(CKL) Clock low time, f_PP = 16 MHz
C_L ≤ 30 pF
32
t_W(CKH) Clock high time, f_PP = 16 MHz
C_L ≤ 30 pF
31
t_r
Clock rise time
C_L ≤ 30 pF
t_f
Clock fall time
CMD, D inputs (referenced to CK)
C_L ≤ 30 pF
t_ISU
Input setup time
t_IH
Input hold time
C_L ≤ 30 pF
2
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
t_OH
Output hold time
C_L ≤ 30 pF
0.3
CMD, D outputs (referenced to CK) in SD default mode⁽¹⁾
t_OVD Output valid default time
C_L ≤ 30 pF
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.
USB characteristics
The USB interface is USB-IF certified (Full Speed).
Table 56. USB startup time
Symbol
Parameter
t_STARTUP(1)
USB transceiver startup time
1. Guaranteed by design, not tested in production.
Max
1
Max Unit
48
MHz
ns
3.5
5
ns
6
ns
7
ns
Unit
µs
Doc ID 14611 Rev 8
101/130