
ZORAN Corporation
USBvision II Data Decoder
ZR36505 Data Sheet
November-99
Page 34 of 34
The following table specifies the register that is used to set the filter parameters:
Parameter
Register
address
XFILT_CONT[2..0]
Reg.42/d2-d0
FILT_CONT
YFILT_CONT[1..0]
Reg.42/d4-d3
FILT_CONT
The following table specifies the Horizontal filters:
XFILT_CONT[2..0]
FIR filter applied
(Horizontally)
000
FIR = (1.0)
001
FIR = (1.0)
010
FIR = (0.5, 0.5)
011
FIR = (0.25, 0.5, 0.25)
100
FIR = (0.25, 0.25, 0.25, 0.25)
The following table specifies the Vertical filters:
YFILT_CONT[1..0]
FIR filter applied
(Vertically)
00
FIR = (1.0)
01
FIR = (1.0)
10
FIR = (0.5, 0.5)
Video Output Format
The ZR36504 supports 3 different formats for the output video data: One is the
Compressed data format, and the other two are YUV 4:2:2 and 4:2:0 Raw data formats.
The following table specifies the register that is used to set the output video format:
Parameter
Register
address
VO_MODE[6..0]
Reg.43/d6-d0
VO_MODE
0x03 = YUV 4:2:2 Interleaved format
0x14 = YUV 4:2:0 Planar format
It is the responsibility of the ZR36504 software driver to make conversions to provide the
application software with several OS standard video data formats, but the data that is
transferred via USB must be one of these 3 formats.
Usage
Select one of 5 possible Horizontal Filters
Select one of 3 possible Horizontal Filters
Interpolation
(Horizontally)
NO
YES
YES
YES
YES
Interpolation
(Vertically)
NO
YES
YES
Usage
Select one of 3 Video Output formats:
0x60 = Compressed data format