Dcmi Crop Window Start (Dcmi_Cwstrt); Dcmi Crop Window Size (Dcmi_Cwsize) - ST STM32F446 Series Reference Manual

Digital camera interface (DCMI)
15.7.9

DCMI crop window start (DCMI_CWSTRT)

Address offset: 0x20
Reset value: 0x0000 0000
31 30 29
Res. Res. Res.
15 14 13
Res. Res.
rw
Bits 31:29 Reserved, must be kept at reset value.
Bits 28:16 VST[12:0]: Vertical start line count
Bits 15:14 Reserved, must be kept at reset value.
15.7.10

DCMI crop window size (DCMI_CWSIZE)

Address offset: 0x24
Reset value: 0x0000 0000
31 30 29
Res. Res.
rw
15 14 13
Res. Res.
rw
Bits 31:30 Reserved, must be kept at reset value.
Bits 29:16 VLINE[13:0]: Vertical line count
446/1328
28 27 26
rw rw rw
12 11 10
rw rw rw
The image capture starts with this line number. Previous line data are ignored.
0x0000 => line 1
0x0001 => line 2
0x0002 => line 3
....
Bits 13:0 HOFFCNT[13:0]: Horizontal offset count
This value gives the number of pixel clocks to count before starting a capture.
28 27 26
rw rw rw
12 11 10
rw rw rw
This value gives the number of lines to be captured from the starting point.
0x0000 => 1 line
0x0001 => 2 lines
0x0002 => 3 lines
....
25 24 23 22
VST[12:0]
rw rw rw rw
9 8 7 6
HOFFCNT[13:0]
rw rw rw rw
25 24 23 22
VLINE[13:0]
rw rw rw rw
9 8 7 6
CAPCNT[13:0]
rw rw rw rw
RM0390 Rev 4
21 20 19 18
rw rw rw rw
5 4 3 2
rw rw rw rw
21 20 19 18
rw rw rw rw
5 4 3 2
rw rw rw rw
RM0390
17 16
rw rw
1 0
rw rw
17 16
rw rw
1 0
rw rw