PNX1502E Datasheet, PDF (610/828 Pages) NXP Semiconductors – Connected Media Processor

NXP Semiconductors
Volume 1 of 1
PNX15xx/952x Series
Chapter 19: Memory Based Scaler
Table 8: Memory Based Scaler (MBS) Registers …Continued
Bit Symbol
Acces
s
Value
Description
0
Reserved
-
Histogram Measurement Registers
Offset 0x10 CE10
Histogram Control Register
31:27 Reserved
-
26 SUBSAMPLE_8x
R/W 0
8x subsample or 4x subsample of input data
0 = 4x subsample (for standard definition input)
1 = 8x subsample (for high definition input)
25 REPAIR_AC_ERROR R/W 0
Enable measurement on gradual slope
0 = disable (default)
1 = enable
24:17 Reserved
-
16:8 HISTO_THRES [8:0] R/W 0
Threshold value for the measurement algorithm (0...511)
7:4 HISTO_GAIN [3:0]
R/W F
0 to 10 = Gain for selection of the 8 output bits
11 to 14 = not used
15 = Calculate HISTO_GAIN in hardware
3
Reserved
-
2
HISTO_NOISE_RED R/W 1
Enable / disable noise reduction feature
0 = disable
1 = enable
1
FILT2_ENABLE
R/W 1
Enable / disable the use of filter 2
0 = disable
1 = enable
0
FILT1_ENABLE
R/W 1
Enable / Disable the use of filter1
0 = disable
1 = enable
Offset 0x10 CE18
Histogram Window Start
31:27 Reserved
-
26:16 HISTO_XWS [10:0]
R/W 1
Horizontal histogram measurement window start
15:11 Reserved
-
10:0 HISTO_YWS [10:0]
R/W 1
Vertical histogram measurement window start
Offset 0x10 CE1C
Histogram Window End
31:27 Reserved
-
26:16 HISTO_XWE [10:0]
R/W 2D0
Horizontal histogram measurement window end
15:11 Reserved
-
10:0 HISTO_YWE [10:0]
R/W 120
Vertical histogram measurement window end
Offset 0x10 CE8C
Histogram Data Output 1
31:29 Reserved
-
28:20 Y_MAX [8:0]
R
Maximum luminance value
19 Reserved
-
18:10 Y_MIN [8:0]
R
Minimum luminance value
9:8 Reserved
-
PNX15XX_PNX952X_SER_N_4
Product data sheet
Rev. 4.0 — 03 December 2007
© NXP B.V. 2007. All rights reserved.
19-610