參數(shù)資料
型號： TMC2192
廠商： Fairchild Semiconductor Corporation
英文描述： 10 Bit Video Encoder(10位視頻編碼器)
中文描述： 10位視頻編碼器（10位視頻編碼器）
文件頁數(shù)： 11/72頁
文件大?。?/td> 396K
代理商： TMC2192
PRODUCT SPECIFICATION
TMC2192
11
P
Blanking Control
Control Registers for this section
The content of VBIENFx[4:0] selects the first line to contain
an active video region in each field, all subsequent lines for
the remainder of the field are active. To blank an entire field,
the user zeroes the VBIENFx[4:0] control register. In
CCIR656 slave mode, the user can selectively blank any
enabled line by setting its TRS V bit HIGH. For 525-line
systems, NTSC line numbering is employed, with the first
vertical serration starting on line 4. PAL line numbering is
used with 625-line systems, with each field's line 1 being the
start of the first vertical serration.
Any line(s) enabled by the closed caption control are auto-
matically unblanked for the closed caption waveform, irre-
spective of the corresponding values of VBIENF.
Pixel Data Control
The pixel data control has two modes of operation, as an
input or as an output. The mode of operation is determined
by the PDCDIR control register. When PDC is an input the
internally generated PDC is ANDed with the PDC pin. This
allows the user to blank any active video regions. When PDC
is an output, the internally generated PDC is the output for
the PDC pin.
The internal PDC control will toggle to a logic HIGH at the
pixel specified by PDCNT and toggle to a logic LOW four
pixels prior to the end of the active video region. The starting
point and ending point of the active video region (VA) are
determined by the control registers 10h to 1Fh. When PDC is
used as an input, the sloped edge of the active video region
will occur on the next four pixels following the toggle point.
Edge Shaping
The TMC2192 has three modes of sloped edges on the active
video region and are controlled by PDRM control register.
Address
0x04
0x06
0x18
0x19
0x1F
Bit(s)
1-0
2
4-0
4-0
7-0
Name
PDRM
PDCDIR
VBIENF1
VBIENF2
PDCCNT
Table 3. PDC Edge Control
PDRM[1:0]
00
Slope type at PDC (HIGH)
The following four pixels have the weighting of
1/8, 1/2, 7/8 and 1 for NTSC and 1/8, 3/8, 5/8,
and 7/8 for PAL.
The fifth pixel is sampled and scaled 1/8, 1/2,
7/8 and 1 over the next four pixels for NTSC
and 1/8, 3/8, 5/8, and 7/8 over the next four
pixels for PAL.
Slope is off, edge control is dictated by the PD
stream from active video start
Slope type at PDC (LOW)
The following four pixels have the weighting of
1, 7/8, 1/2, and 1/8 for NTSC and 7/8, 5/8, 3/8,
and 1/8 for PAL.
The fifth pixel s sampled and scaled 1, 7/8, 1/2
and 1/8 over the next four pixels for NTSC and
7/8, 5/8, 3/8, and 1/8 over the next four pixels
for PAL.
Slope is off, edge control is dictated by the PD
stream to active video end
01
1x
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TMC22051A 8-Bit Digital Video Decoder(8位數(shù)字視頻譯碼器)
TMC22052A 8-Bit Digital Video Decoder(8位數(shù)字視頻譯碼器)
TMC22053A 8-Bit Digital Video Decoder(8位數(shù)字視頻譯碼器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMC2192KHC 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TMC2193 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10 Bit Encoder
TMC2193KJC 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TMC22 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
TMC22051 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
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