STM32F413CG datasheet(155/207 Pages) STMICROELECTRONICS

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STM32F413xG/H

Electrical characteristics

174

6.3.25

DFSDM characteristics

Unless otherwise specified, the parameters given in Table 86 for DFSDM are derived from

tests performed under the ambient temperature, fAPB2 frequency and VDD supply voltage

conditions summarized in Table 16: General operating conditions.

•

Output speed is set to OSPEEDRy[1:0] = 10

•

Capacitive load C = 30 pF

•

Measurement points are done at CMOS levels: 0.5 * VDD

Refer to Section 6.3.16: I/O port characteristics for more details on the input/output alternate

function characteristics (DFSDM_CKINy, DFSDM_DATINy, DFSDM_CKOUT for DFSDM).

Table 86. DFSDM characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fDFSDMCLK DFSDM clock

1.71 < VDD < 3.6 V

fSYSCLK

MHz

fCKIN

(1/TCKIN)

Input clock

frequency

SPI mode

(SITP[1:0] = 0,1),

External clock mode

(SPICKSEL[1:0] = 0,

1.71 < VDD < 3.6 V

(fDFBDMCLK / 4

SPI mode

(SITP[1:0] = 0,1),

External clock mode

(SPICKSEL[1:0] = 0,

2.7 < VDD < 3.6 V

(fDFBDMCLK / 4

SPI mode

(SITP[1:0] = 0,1),

Internal clock mode

(SPICKSEL[1:0] ≠ 0,

1.71 < VDD < 3.6 V

(fDFBDMCLK / 4

SPI mode (SITP[1:0] = 0,1),

Internal clock mode

(SPICKSEL[1:0] ≠ 0,

2.7 < VDD < 3.6 V

(fDFBDMCLK / 4

fCKOUT

Output clock

frequency

1.71 < VDD < 3.6 V

DuCyCKOUT

Output clock

frequency duty

cycle

1.71 < VDD < 3.6 V

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