參數資料
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: 14/87頁
文件大?。?/td> 387K
代理商: TVP5020TQFP
1–6
1.6
Terminal Functions (Continued)
TERMINAL
NAME
NO.
DESCRIPTIONS
I/O
Sync Signals
AVID
27
O
Active video indicator. This signal is high during the horizontal active time of the
video output on the Y and UV terminals. AVID continues to toggle during vertical
blanking intervals.
FID
33
I/O
Odd/even field indicator or vertical lock indicator. For odd/even indicator, a logic 1
indicates the odd field. For vertical lock indicator, a logic 1 indicates the internal
vertical PLL is in a locked state. Additionally, this terminal in conjunction with GLCO
and PALI is used to determine the host port mode configuration during initial power
up and reset.
HSYN
30
O
Horizontal sync signal. The rising edge time is programmable via the host.
PALI
32
I/O
PAL line indicator or horizontal lock indicator. For PAL line indicator, a logic 1
indicates a noninverted line, and a logic 0 indicates an inverted line. For horizontal
lock indicator, a logic 1 indicates the internal horizontal PLL is in a locked state.
Additionally, this terminal in conjunction with GLCO and FID is used to determine the
host port mode configuration during initial power up.
VSYN
29
O
Vertical sync signal
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