STM32H523VCU6 datasheet(163/228 Pages) STMICROELECTRONICS

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DS14540 Rev 1

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STM32H523xx

Electrical characteristics

197

5.3.19

Delay block (DLYB) characteristics

Unless otherwise specified, the parameters given in Table 85 are derived from tests

performed under the ambient temperature, fHCLK frequency and VDD supply voltage

summarized in Table 19, with the following configuration:

5.3.20

DCMI interface characteristics

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

performed under the ambient temperature, fHCLK frequency and VDD supply voltage

summarized in Table 19, with the following configuration:

•

DCMI_PIXCLK polarity: falling

•

DCMI_VSYNC and DCMI_HSYNC polarity: high

•

Data formats: 14 bits

•

Capacitive load CL = 30 pF

•

Measurement points done at CMOS levels: 0.5 VDD

•

I/O compensation cell activated

•

HSLV activated when VDD ≤ 2.7 V

•

Voltage scaling VOS0 selected

Table 85. Delay block characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tinit

Initial delay

640

1040

1760

t∆

Unit delay

Table 86. DCMI characteristics(1)

Symbol

Parameter

Min

Max

Unit

Frequency ratio DCMI_PIXCLK/fHCLK

0.4

DCMI_PIXCLK

Pixel clock input

100

MHz

DPIXEL

Pixel clock input duty cycle

tsu(DATA)

Data input setup time

2.5

th(DATA)

Data hold time

tsu(HSYNC), tsu(VSYNC) DCMI_HSYNC and DCMI_VSYNC input setup times

2.5

th(HSYNC), th(VSYNC) DCMI_HSYNC and DCMI_VSYNC input hold times

1.5

1. Evaluated by characterization - Not tested in production.

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