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IT4X00 Series Register Settings for the PXA27XI
Register
Timing Control
Frame Width (pclk)
Frame Height (lines)
Beg act pix out (pclk)
Beg act frame out (lines)
Horiz pulse width (pclk)
Vert Pulse Width (lines)
CDS subt pulse pos (pclk)
Must be FW - 1 or placed after last active pixel
Exp time (pclk)
Register settings for the PXA27X CSI interface for use with the IT4X00 Series engines are shown in the following table.
CICR0 - Capture Interface Control Register 0
bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Setting
d
0
0
d
d
Notes:
d
Dynamic value that changes as needed for image capture control.
DMA_EN DMA request Enable. 0=disable; 1=enable.
ENB
Camera interface Enable. 0=disable; 1=enable.
DIS
Camera interface Disable. 0=do not disable camera interface after capture (continuous scanning); 1=disable cam-
era interface after capture is complete. See CISR CDD flag.
TOM
Time-Out Mask. 0=Generate time-out condition interrupt; 1=Do not generate time-out condition interrupt (time-out
of stalled image capture).
QDM
Quick Disable Mask. 0=Generate QD interrupt; 1=Do not generate QD interrupt.
CDM
Disable Done Mask. 0=Generate capture interface disable done interrupt; 1=Do not generate capture interface dis-
able done interrupt.
EOFM
End of Frame Mask. 0=Generate an interrupt at end of frame; 1=Do not generate EOF interrupt.
CICR1 - Capture Interface Control Register 1
bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Setting
X
0
0
X
X
Notes:
PPL
Pixels Per Line. Value of 0 to 2047 where actual number of imager pixels per line = PPL+1 (PPL = imager pixels per
line-1).
RAW_BPP Raw Bits Per Pixel. 0b00=8; 0b01=9; 0b10=10; 0b11=reserved.
DW
Imager Data Width. 0b000=4; 0b001=5; 0b010=8; 0b100=10.
2 - 8
Hex
Address
02, 01
0D, 0C
0F, 0E
11,10
15, 14
19, 18
1B, 1A
9C, 9B
1D, 1C
0
0
0
X
X
X
X
X
X
0
1
0
0
1
1
1
PPL (Pixels Per Line)
Initial Hand Held
Products
Hex
Dec
001D
-
035A
858
020D
525
00B4
180
0209
521
0040
64
01E0
480
0342
834
FF00
65280
X
X
X
X
X
X
X
X
Reserved
1
1
1
1
0
0
0
0
IMAGETEAM™ 4X00 Series Integration Manual
8
7
6
5
4
3
X
d
1
1
1
1
d
d
8
7
6
5
4
3
0
0
0
0
0
0
0
0
2
1
0
0
d
1
2
1
0
0
1
0
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