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Video Scaler v4.0 User Guide
UG805 March 1, 2011
Appendix B:
Programmer Guide
0x001c
aperture_vert
R/W
aperture_start_line: Location of first subject line in input image,
relative to first active line in that image
aperture_end_line: Location of final subject line in input image,
relative to first active line in that image
0x0020
output_size
R/W
output_h_size: Width of output image (pixels)
output_v_size: Height of output image (lines)
0x0024
num_phases
R/W
num_h_phases: Number of phases of coefficients in current
horizontal filter set
num_v_phases: Number of phases of coefficients in current
vertical filter set
0x0028
coeff_sets
R/W
hcoeffset: Active coefficient set to use in horizontal filter
operation
vcoeffset: Active coefficient set to use in vertical filter operation
0x002c
start_hpa_y
R/W
Fractional value used to initialize horizontal accumulator at
rectangle left edge for luma
0x0030
start_hpa_c
R/W
Fractional value used to initialize vertical accumulator at
rectangle top edge for luma
0x0034
start_vpa_y
R/W
Fractional value used to initialize horizontal accumulator at
rectangle left edge for chroma
0x0038
start_vpa_c
R/W
Fractional value used to initialize vertical accumulator at
rectangle top edge for chroma
0x003c
coef_write_set_addr
R/W
Coefficient set write address to indicate which coefficient bank
to write
0x0040
coef_values
W
Coefficient values to write
0x0044
coef_set_bank_rd_addr
R/W
Set and bank number to be read
0x0048
coef_mem_rd_addr
R/W
Phase and tap number to be read
0x004c
coef_mem_output
R
Coefficient readback output
0x00F0
Version Register
R
Hardware version information
0x0100
Software_Reset
W
Writing a SOFT_RESET value to this register resets the software
registers and the Video Scaler IP core. The SOFT_RESET value is
determined by EDK.
0x021C
GIER
R/W
Global Interrupt Enable Register
0x0220
ISR
R/W
Interrupt Status Register; Read to determine the source of the
interrupt, write to clear the interrupt
0x0228
IER
R/W
Interrupt Enable Register; 0 to mask out an interrupt, 1 to enable
an interrupt
Table B-1:
Video Scaler Registers Overview
(Cont’d)
Address
Name
Read/Write
Description
Содержание LogiCORE IP
Страница 1: ...LogiCORE IP Video Scaler v4 0 User Guide UG805 March 1 2011...
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Страница 14: ...14 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Preface About This Guide...
Страница 18: ...18 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Chapter 1 Introduction...
Страница 20: ...20 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Chapter 2 Overview...
Страница 70: ...70 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Chapter 9 Performance...
Страница 74: ...74 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Appendix A Use Cases...
Страница 92: ...92 www xilinx com Video Scaler v4 0 User Guide UG805 March 1 2011 Appendix B Programmer Guide...