STM32F407IG datasheet(144/167 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F405xx, STM32F407xx

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Doc ID 022152 Rev 2

5.3.26

Camera interface (DCMI) timing specifications

5.3.27

SD/SDIO MMC card host interface (SDIO) characteristics

Unless otherwise specified, the parameters given in Table 84 are derived from tests

performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions

summarized in Table 11.

Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate

function characteristics (D[7:0], CMD, CK).

Figure 70.

SDIO high-speed mode

Table 82.

Switching characteristics for NAND Flash write cycles(1)

CL = 30 pF.

Symbol

Parameter

Min

Max

Unit

tw(NWE)

FSMC_NWE low width

4THCLK–1

4THCLK+ 3

tv(NWE-D)

FSMC_NWE low to FSMC_D[15-0] valid

th(NWE-D)

FSMC_NWE high to FSMC_D[15-0] invalid

3THCLK –2

td(D-NWE)

FSMC_D[15-0] valid before FSMC_NWE high

5THCLK–3

td(ALE-NWE)

FSMC_ALE valid before FSMC_NWE low

3THCLK

th(NWE-ALE)

FSMC_NWE high to FSMC_ALE invalid

3THCLK–2

Table 83.

DCMI characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

Frequency ratio DCMI_PIXCLK/

fHCLK

(1)

Maximum value of DCMI_PIXCLK = 54 MHz.

0.4

tW(CKH)

D, CMD

(output)

D, CMD

(input)

tW(CKL)

tOV

tOH

tISU

tIH

ai14887

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