參數(shù)資料
型號(hào): TVP6000C
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): 37/57頁
文件大小: 268K
代理商: TVP6000C
2–25
The RCV1 pin configurations are listed in Table 2–13.
Table 2–13. RCV1 Pin Configurations
SCN
RCV1A
RCV1B
HSINSEL
RCV1 PIN
AS OUTPUT
VSO
AS INPUT
Unused
0
0
0
0
0
0
0
1
VSO
VSI
0
0
1
0
FSO
HSI and FSI
0
0
1
1
FSO
FSI
0
1
0
0
FSEQO
HSI and FSEQI
0
1
0
1
FSEQO
FSEQI
0
1
1
X
Reserved
Reserved
1
X
X
X
NFO
Reserved
The RCV1 symbols and signal descriptions are listed in Table 2–14.
Table 2–14. RCV1 Symbols and Signal Descriptions
SYMBOL
SIGNAL DESCRIPTION
VSO
Field synchronization output. Active once every field during vertical sync period. For NTSC, VS = 3 lines,
for PAL, VS = 2.5 lines.
VSI
Vertical synchronization input. Retriggers the vertical counter. The active edge in the first half of the scan
line resets the vertical counter to VTRIG.
FSO
Frame synchronization output. Active in the odd field (first field). Inactive in the even field (second field).
FSEQO
Field sequence. For NTSC (bit 0, subaddress 61 set to 1), active only in the first field of every four fields. For
PAL (bit 0, subaddress 61 reset to 0), active only in the first field of every eight fields.
NFO
New frame indicator output. In scan conversion mode (SCN set to 1), the active edge of this signal
indicates to external logic to advance to the next frame.
HSO
Horizontal synchronization output.
HSI
Horizontal synchronization input. Retriggers the horizontal counter.
FSI
Frame synchronization input. Retriggers the vertical counter and resets the field to odd.
FSEQI
Field sequence input. Retriggers the vertical counter and resets the field to the first of four fields for NTSC
or the first of eight fields for PAL.
The RCV2 pin configurations are listed in Table 2–15.
Table 2–15. RCV2 Pin Configurations
SCN
CBLFV2
HSINSEL
RCV2 PIN
AS OUTPUT
HSO
AS INPUT
No function
0
0
0
0
0
1
HSO
HSI
0
1
0
CBNO
CBNI
0
1
1
CBNO
HSI and CBNI
1
X
X
NLO
Reserved
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