Datasheet

DS12110 Rev 5 179/231
STM32H743xI Electrical characteristics
199
6.3.29 Camera interface (DCMI) timing specifications
Unless otherwise specified, the parameters given in Table 98 for DCMI are derived from
tests performed under the ambient temperature,
f
rcc_c_ck
frequency and V
DD
supply
voltage summarized in Table 23: General operating conditions, with the following
configuration:
 DCMI_PIXCLK polarity: falling
 DCMI_VSYNC and DCMI_HSYNC polarity: high
 Data formats: 14 bits
 Capacitive load C=30 pF
 Measurement points are done at CMOS levels: 0.5V
DD
Figure 45. DCMI timing diagram
Table 98. DCMI characteristics
(1)
1. Guaranteed by characterization results.
Symbol Parameter Min Max Unit
- Frequency ratio DCMI_PIXCLK/f
rcc_c_ck
-0.4 -
DCMI_PIXCLK Pixel clock input - 80 MHz
D
Pixel
Pixel clock input duty cycle 30 70 %
t
su(DATA)
Data input setup time 1 -
ns
t
h(DATA)
Data input hold time 1 -
t
su(HSYNC)
t
su(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input setup time 1.5 -
t
h(HSYNC)
t
h(VSYNC)
DCMI_HSYNC/DCMI_VSYNC input hold time 1 -
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