GD32H757VMT7 datasheet(131/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

130

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tSCK(H)

SCK clock high time

Fplckx = 300 MHz

13.3

—

tSCK(L)

SCK clock low time

Fplckx = 300 MHz

13.3

—

(1)

Value guaranteed by design, not 100% tested in production.

Table 4-64. USART characteristics

in Smartcard mode(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fSCK

SCK clock frequency

Fplckx = 300 MHz

—

150

MHz

tSCK(H)

SCK clock high time

Fplckx = 300 MHz

3.33

—

tSCK(L)

SCK clock low time

Fplckx = 300 MHz

3.33

—

(1)

Value guaranteed by design, not 100% tested in production.

4.30.

SDIO characteristics

Table 4-65. SDIO characteristics(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPP(3)

Clock frequency in data transfer

mode

—

120

MHz

tW(CKL) (3)

Clock low time

fpp = 52 MHz

—

9.63

—

tW(CKH) (3)

Clock high time

fpp = 52 MHz

—

9.58

—

CMD, D inputs (referenced to CK) in MMC and SD HS mode

tISU(4)

Input setup time HS

—

tIH(4)

Input hold time HS

—

CMD, D outputs (referenced to CK) in MMC and SD HS mode

tOV(3)

Output valid time HS

—

5.5

tOH(3)

Output hold time HS

—

CMD, D inputs (referenced to CK) in SD default mode

tISUD(4)

Input setup time SD

—

tIHD(4)

Input hold time SD

—

CMD, D outputs (referenced to CK) in SD default mode

tOVD(3)

Output valid default time SD

—

tOHD(3)

Output hold default time SD

—

(1)

CLK timing is measured at 50% of VDD.

(2)

Capacitive load CL = 30 pF.

(3)

Value guaranteed by characterization, not 100% tested in production.

(4)

Value guaranteed by design, not 100% tested in production.

4.31.

CAN characteristics

Refer to Table 4-28. I/O static characteristics for more details on the input/output alternate

function characteristics (CANTX and CANRX).

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