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AR0141CS View Datasheet(PDF) - ON Semiconductor

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AR0141CS
ON-Semiconductor
ON Semiconductor ON-Semiconductor
AR0141CS Datasheet PDF : 48 Pages
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AR0141CS
statsline 1
data_format_ #words=
code=8’h0B 10’h1EC
{2’b00,frame {2’b00,frame {2’b00,frame histogram histogram
_countLSB} _IDMSB} _IDLSB} bin0[19:10] bin0[9:0]
histogram
bin1 [19:0]
histogram
bin1[9:0]
histogram histogram
bin243 [19:0] bin243 [9:0]
8’h07
8’h07
stats line 2
data_format_ #words=
code=8’h0B 10’h00C
mean
[19:10]
mean
[9:0]
histBegin
[19:10]
histBegin
[9:0]
histEnd
[19:10]
histEnd
[9:0]
lowEndMean lowEndMean perc_lowEnd perc_lowEnd norm_abs_ norm_abs_
[19:10]
[9:0]
[19:10]
[9:0]
dev[19:10] dev[9:0]
8’h07
Figure 33. Format of Embedded Statistics Output within a Frame
The statistics embedded in these rows are as follows:
Line 1:
0x0B0 identifier
Register 0x303A frame_count
Register 0x31D2 frame ID
Histogram data histogram bins 0243
Line 2:
0x0B0
Mean
Histogram Begin
Histogram End
Low End Histogram Mean
Percentage of Pixels Below Low End Mean
Normal Absolute Deviation
Test Patterns
The AR0141CS has the capability of injecting a number
of test patterns into the top of the datapath to debug the
digital logic. With one of the test patterns activated, any of
the datapath functions can be enabled to exercise it in a
deterministic fashion. Test patterns are selected by
Test_Pattern_Mode register (R0x3070). Only one of the test
patterns can be enabled at a given point in time by setting the
Test_Pattern_Mode register according to Table 17. When
test patterns are enabled the active area will receive the value
specified by the selected test pattern and the dark pixels will
receive the value in Test_Pattern_Green (R0x3074 and
R0x3078) for green pixels, Test_Pattern_Blue (R0x3076)
for blue pixels, and Test_Pattern_Red (R0x3072) for red
pixels. The noise pedestal offset at register 0x30FE impacts
on the test pattern output, so the noise_pedestal needs to be
set as 0x0000 for normal test pattern output.
Table 17. TEST PATTERN MODES
Test_Pattern_Mode
0
1
2
3
256
Test Pattern Output
No test pattern (normal operation)
Solid color test pattern
100% Vertical Color Bars test pattern
FadetoGray Vertical Color Bars test pattern
Walking 1s test pattern (12bit)
Solid Color
When the color field mode is selected, the value for each
pixel is determined by its color. Green pixels will receive the
value in Test_Pattern_Green, red pixels will receive the
value in Test_Pattern_Red, and blue pixels will receive the
value in Test_Pattern_Blue.
Vertical Color Bars
When the vertical color bars mode is selected, a typical
color bar pattern will be sent through the digital pipeline.
Walking 1s
When the walking 1s mode is selected, a walking 1s
pattern will be sent through the digital pipeline. The first
value in each row is 1.
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