2 isi control 2 register – Rainbow Electronics AT91CAP9S250A User Manual
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924
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
45.4.2
ISI Control 2 Register
Register Name: ISI_CR2
Access Type: Read/Write
Reset Value: 0x0
• IM_VSIZE: Vertical size of the Image sensor [0..2047]
Vertical size = IM_VSIZE + 1
• GS_MODE
0: 2 pixels per word
1: 1 pixel per word
• RGB_MODE: RGB input mode
0: RGB 8:8:8 24 bits
1: RGB 5:6:5 16 bits
• GRAYSCALE
0: Grayscale mode is disabled
1: Input image is assumed to be grayscale coded
• RGB_SWAP
0: D7 -> R7
1: D0 -> R7
The RGB_SWAP has no effect when the grayscale mode is enabled.
• COL_SPACE: Color space for the image data
0: YCbCr
1: RGB
• IM_HSIZE: Horizontal size of the Image sensor [0..2047]
Horizontal size = IM_HSIZE + 1
31
30
29
28
27
26
25
24
RGB_CFG
YCC_SWAP
-
IM_HSIZE
23
22
21
20
19
18
17
16
IM_HSIZE
15
14
13
12
11
10
9
8
COL_SPACE
RGB_SWAP
GRAYSCALE
RGB_MODE
GS_MODE
IM_VSIZE
7
6
5
4
3
2
1
0
IM_VSIZE