HT32F22366 datasheet(48/56 Pages) HOLTEK

48 / 56 page

Rev. 1.00

48 of 56

�ove��e� 0�� 01�

3�-Bit A��® Co�tex®-M3 MCU

HT3�F1�365/HT3�F1�366/HT3�F��366

SDIO Characteristics

Table 25. SDIO Characteristics

Symbol

Parameter

Conditions

Min. Typ. Max. Unit

fSDCK

Clock f�equency in data t�ansfe� �ode

—

MHz

tW(CKL)

Clock low ti�e

fSDCK = 48 MHz

—

tW(CKH)

Clock high ti�e

fSDCK = 48 MHz

—

CMD, Data inputs referenced to SD_CLK in SD default mode

tISU(SD)

Input setup ti�e SD default �ode

fSDCK = �4 MHz

—

tIH(SD)

Input hold ti�e SD default �ode

fSDCK = �4 MHz

—

CMD, Data outputs referenced to SD_CLK in SD default mode

tOV(SD)

Output valid ti�e SD default �ode

fSDCK = �4 MHz

—

�

tOH(SD)

Output hold ti�e SD default �ode

fSDCK = �4 MHz

�

—

CMD, Data inputs referenced to SD_CLK in SD HS mode

tISU(HS)

Input setup ti�e SD HS �ode

fSDCK = 48 MHz

�

—

tIH(HS)

Input hold ti�e SD HS �ode

fSDCK = 48 MHz

0.5

—

CMD, Data outputs referenced to SD_CLK in SD HS mode

tOV(HS)

Output valid ti�e SD HS �ode

fSDCK = 48 MHz

—

6.5

tOH(HS)

Output hold ti�e SD HS �ode

fSDCK = 48 MHz

1.5

—

�ote: 1. Gua�anteed �y cha�acte�ization �esults� not tested in p�oduction.

�. I/O d�iving cu��ent is set to 16 �A.

3. Capacitive load C = 30 pF� VDD = 3.3 V and a��ient te�pe�atu�e TA = �5 °C.

4. Measu�e�ent points a�e set at CMOS levels = 0.5 VDD.

SD_CLK

CMD & DAT

(Output)

tIH(SD)

tOV(SD)

CMD & DAT

(Input)

tOH(SD)

tISU(SD)

Figure 14. SDIO Default Mode

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