參數(shù)資料
型號: SAA7111
廠商: NXP Semiconductors N.V.
英文描述: Video Input Processor VIP
中文描述: 視頻輸入處理器貴賓
文件頁數(shù): 45/64頁
文件大?。?/td> 433K
代理商: SAA7111
1998 May 15
45
Philips Semiconductors
Product specification
Video Input Processor (VIP)
SAA7111
16.2.14 S
UBADDRESS
0E
Table 25
Chrominance control SA 0E
FUNCTION
BIT NAME
LOGIC LEVEL
CONTROL BIT
Chroma bandwidth (CHBW0 and CHBW1)
Small bandwidth (
620 kHz)
CHBW1
CHBW0
CHBW1
CHBW0
CHBW1
CHBW0
CHBW1
CHBW0
0
0
0
1
1
0
1
1
D1
D0
D1
D0
D1
D0
D1
D0
Nominal bandwidth (
800 kHz)
Medium bandwidth (
920 kHz)
Wide bandwidth (
1000 kHz)
Fast colour time constant (FCTC)
Nominal time constant
Fast time constant
FCTC
FCTC
0
1
D2
D2
Disable chroma comb filter (DCCF)
Chroma comb filter on (during VREF = 1)
(see Figures 20 and 21)
Chroma comb filter off
DCCF
0
D3
DCCF
1
D3
Colour standard (CSTD0 and CSTD1)
Colour standard control automatic switching between
PAL BGHI and NTSC M
CSTD1
CSTD0
CSTD1
CSTD0
CSTD1
CSTD0
CSTD1
CSTD0
0
0
0
1
1
0
1
1
D5
D4
D5
D4
D5
D4
D5
D4
Colour standard control automatic switching between
NTSC 4.43 (50 Hz) and PAL 4.43 (60 Hz)
Colour standard control automatic switching between
PAL N and NTSC 4.43 (60 Hz)
Colour standard control automatic switching between
NTSC N and PAL M
Compatibility to SAA7199 (CM99)
Default value
To be set if SAA7199 (digital encoder) is used for
re-encoding in conjunction with RTCO
CM99
CM99
0
1
D6
D6
Clear DTO (CDTO)
Disabled
Every time CDTO is set, the internal subcarrier DTO
phase is reset to 0
°
and the RTCO output generates a
logic 0 at time slot 68 (see RTCO description Fig.16). So
an identical subcarrier phase can be generated by an
external device (e.g. an encoder).
CDTO
CDTO
0
1
D7
D7
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