參數(shù)資料
型號(hào): TVP6000CPFP
廠商: Texas Instruments, Inc.
英文描述: NTSC/PAL Digital Video Encoder
中文描述: NTSC / PAL數(shù)字視頻編碼器
文件頁數(shù): 39/57頁
文件大?。?/td> 268K
代理商: TVP6000CPFP
2–27
Table 2–17. RCM1 Output Signals
RCM1A
RCM1B
PIN RCM1
DESCRIPTION
0
0
VS
Vertical synchronization (default)
0
1
FS
Frame synchronization
1
0
FSEQ
Field sequence. For NTSC, FSEQ is high in the first field of every four fields.
For PAL, FSEQ is high in the first field of every eight fields.
1
1
N/A
Reserved
Table 2–18 shows the operating modes of pin RCM2 as defined by the SCN (bit 0, subaddress 98), CBLFM2
(bit 6, subaddress 6D), CBLFV2 (bit 2, subaddress 6C), and HSINSEL bits (bit 5, subaddress 6C).
Table 2–18. RCM2 Pin Configurations
SCN
CBLFM2
CBLFV2
HSINSEL
RCM2 PIN
SIGNAL DESCRIPTION
AS OUTPUT
HSO
AS INPUT
No function
0
0
X
X
As an output, RCM2 is asserted between
BMRQ and EMRQ in every line including
VBI (sub-address 71–73)
0
1
0
0
CBNO
No function
As an output, RCM2 is asserted between
BMRQ and EMRQ in every line excluding
VBI.
0
1
0
1
CBNO
CBNI
As an input, RCM2 is used for composite
blanking. As an output, RCM2 is asserted
between BMRQ and EMRQ in every line
excluding VBI.
0
1
1
X
CBNO
No function
As an output, RCM2 is asserted between
BMRQ and EMRQ in every line excluding
VBI.
1
X
X
X
RQO
Reserved
As an output only. RCM2 is used as
request for pixels. When asserted, this
signal sources the pixel on the bus at the
clock edge and informs external logic to
output next pixel.
Table 2–19. Encoding Setting
L21ENA
L21ENB
LINE 21 ENCODING MODE
0
0
Line 21 encoding off
0
1
Enables encoding in first field (odd field)
1
0
Enables encoding in second field (even field)
1
1
Enables encoding both fields
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