參數(shù)資料
型號: TVP5020TQFP
廠商: Texas Instruments, Inc.
英文描述: NTSC/PAL VIDEO DECODER
中文描述: NTSC / PAL視頻解碼器
文件頁數(shù): 71/87頁
文件大小: 387K
代理商: TVP5020TQFP
2–57
2.15.30 TXF Error Filtering Enables
VIP address
19A
VMI address
I2C address
9A
9A
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved
Reserved
LPC error
enable
CCD parity
error enable
Teletext parity
error enable
Hamming
error enable
Hamming Error Enable
Teletext Parity Error Enable
CCD Parity Error Enable
LPC Error Enable
0 = disable
0 = disable
0 = disable
0 = disable
1 = enable
1 = enable
1 = enable
1 = enable
default = 0
default = 0
default = 0
default = 0
These bits allow the VDP module to discard transactions based on bit errors. The hamming error enable
allows error correction and detection of hamming encoded bytes. The teletext parity error enable allows the
VDP to discard teletext transactions with parity errors. The closed caption data (CCD) parity error enable
allows the VDP to discard closed caption transactions with parity errors. The LPC error enable allows the
VDP to discard teletext transactions with longitudinal parity errors.
2.15.31 TXF Transaction Processing Enables
VIP address
19B
VMI address
I2C address
9B
9B
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved
Filter #2
enable
Filter #1
enable
CCD odd
field enable
CCD even field
enable
Teletext
enable
Teletext enable
CCD even field enable
CCD odd field enable
Filter #1 enable
Filter #2 enable
0 = disable
0 = disable
0 = disable
0 = disable
0 = disable
1 = enable
1 = enable
1 = enable
1 = enable
1 = enable
default = 0
default = 0
default = 0
default = 0
default = 0
These bits enable or disable certain features. The teletext enable allows the VBI data processor (VDP) to
receive teletext data. If this bit is 0, all outputs from the VDP remain idle while teletext data is present. The
CCD even field enable and CCD odd field enable allow the VDP to receive closed caption data. The filter
#1 enable allows the VDP to parse data based on the values in the filter #1 parameters register. The filter
#2 enable allows the VDP to parse data based on the values in the filter #2 parameters register.
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