STM32F413CG datasheet(174/207 Pages) STMICROELECTRONICS

174 / 207 page

Electrical characteristics

STM32F413xG/H

174/207

DocID029162 Rev 2

6.3.28

RTC characteristics

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

tISUD

Input setup time SD

fpp =25MHz

tIHD

Input hold time SD

fpp =25MHz

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

tOVD

Output valid default time SD

fpp =25 MHz

-2

tOHD

Output hold default time SD

fpp =25 MHz

1. Guaranteed by characterization results.

2. VDD = 2.7 to 3.6 V.

Table 99. SD / MMC characteristics(1)(2) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 100. eMMC characteristics VDD = 1.7 V to 1.9 V(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPP

Clock frequency in data transfer mode

MHz

SDIO_CK/fPCLK2 frequency ratio

8 / 3

tW(CKL)

Clock low time

fpp =50MHz

9.5

10.5

tW(CKH)

Clock high time

fpp =50MHz

8.5

9.5

CMD, D inputs (referenced to CK) in eMMC mode

tISU

Input setup time HS

fpp =50MHz

tIH

Input hold time HS

fpp =50MHz

2.5

CMD, D outputs (referenced to CK) in eMMC mode

tOV

Output valid time HS

fpp =50MHz

15.5

tOH

Output hold time HS

fpp =50MHz

1. Guaranteed by characterization results.

2. CLOAD = 20 pF.

Table 101. RTC characteristics

Symbol

Parameter

Conditions

Min

Max

-fPCLK1/RTCCLK frequency ratio

Any read/write operation

from/to an RTC register

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