cx25840 Conexant Systems, Inc., cx25840 Datasheet - Page 209

• Manufacturer Part Number: cx25840
• Description: Video Decoder And Broadcast Audio
• Manufacturer: Conexant Systems, Inc.

CX25840/1/2/3 Data Sheet
102284B
8/3/05
Hue
[7:0]
Chroma Control
[7:6]
[5]
[4:2]
[1:0]
Bits
Bits
RW
RZ
RW
RW
RW
Type
Type
0x00
000
0
000
00
Default
Default
RESERVED
C_LPF_ENABLE
CHR_DELAY
C_CORE_SEL
HUE
Name
Name
Conexant
Hue adjust. A 1-bit change causes the subcarrier phase to rotate
in increments of 0.35 degrees with a range of –45 degrees to +45
degrees. Hue adjust is supported for NTSC and PAL, but not
SECAM.
Chroma LPF enable. Low-pass filters the chroma after the comb
filter with the same filter used in the demodulator to reduce
comb switching noise. Only applicable to -24 part.
Chroma delay. A signed number representing the number of
pixel the chroma is delayed relative to the luma. A value of 0
matches the luma to chroma.
110 = –2
111 = –1
000 = 0
001 = +1
010 = +2
All others = 0 delay
Chroma coring select.
000 = No coring
01 = +7
10 = +15
11 = +31
Description
Description
Address 0x423
Address 0x422
Register Map
5-67