57.33 HSMCI Electrical Specifications

Figure 57-41. SD/SDIO/MMC SDHC Module Timing Diagram
Table 57-46. SD Host Controller Timing Specifications (1)
AC CHARACTERISTICSStandard Operating Conditions: VDDIO = VDDIN 2.5V to 3.6V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
SD/SDIO Default Speed Mode
SD_5tSDCKClock Frequency——25MHz—
SD_7tDUTYDuty Cycle—50—%—
SD_9tHIGHClock High Time(1000/(2*tSDCK))-0.5(tRISE+tFALL)——ns—
SD_11tLOWClock Low Time(1000/(2*tSDCK))-0.5(tRISE+tFALL)——ns—
SD_13tRISEClock Rise TimeDI_25nsDI_25: Refer to the I/O Electrical Specifications
SD_15tFALLClock Fall TimeDI_27nsDI_27: Refer to the I/O Electrical Specifications
SD_17tIN_SETUPInput Setup Time5——ns—
SD_19tIN_HOLDInput Hold Time5——ns—
SD_21tOUT_DLYOutput Delay Time——14nsVDDIO = 3.3V, CLOAD = 30 pF
SD_23tOUT_SETUPOutput HOLD Time0——ns
SD/SDIO High-Speed Mode
SD_25tSDCKClock Frequency——50MHz—
SD_27tDUTYDuty Cycle—50—%—
SD_29tHIGHClock High Time(1000/(2*tSDCK))-0.5(tRISE+tFALL) ——ns—
SD_30tLOWClock Low Time(1000/(2*tSDCK))-0.5(tRISE+tFALL)——ns—
SD_31tRISEClock Rise TimeDI_25nsDI_25: Refer to the I/O Electrical Specifications
SD_32tFALLClock Fall TimeDI_27nsDI_27: Refer to the I/O Electrical Specifications
SD_33tIN_SETUPInput Setup Time6——ns—
SD_35tIN_HOLDInput Hold Time2——ns—
SD_37tOUT_DLYOutput Delay Time——14nsVDDIO = 3.3V, CLOAD = 30 pF
SD_39tOUT_SETUPOutput Hold Time2.5——ns
MMC Default-Speed Mode
SD_41tSDCKClock Frequency——26MHz—
SD_43tDUTYDuty Cycle—50—%—
SD_45tHIGHClock High Time(1000/(2*tSDCK))-0.5(tRISE+tFALL)——ns—
SD_47tLOWClock Low Time(1000/(2*tSDCK))-0.5(tRISE+tFALL)——ns—
SD_49tRISEClock Rise TimeDI_25nsDI_25: Refer to the I/O Electrical Specifications
SD_51tFALLClock Fall TimeDI_27nsDI_27: Refer to the I/O Electrical Specifications
SD_53tIN_SETUPInput Setup Time3——ns—
SD_55tIN_HOLDInput Hold Time3——ns—
SD_57tOUT_DLYOutput Delay Time——11.7nsVDDIO = 3.3V, CLOAD = 30 pF
SD_59tOUT_SETUPOutput Hold Time8.3——ns
Note:
  1. All output pins with 30 pF load.