參數(shù)資料
型號(hào): ADV7179KCP
廠商: ANALOG DEVICES INC
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: Chip Scale PAL/NTSC Video Encoder with Advanced Power Management
中文描述: COLOR SIGNAL ENCODER, QCC40
封裝: 6 X 6 MM, MO-220VJJD-2, LFCSP-40
文件頁(yè)數(shù): 21/52頁(yè)
文件大小: 488K
代理商: ADV7179KCP
ADV7174/ADV7179
Mode 1: Master Option HSYNC, BLANK, FIELD
(Timing Register 0 TR0 = X X X X X 0 1 1)
Rev. A | Page 21 of 52
In this mode, the ADV7174/ADV7179 can generate horizontal
SYNC and odd/even FIELD signals. A transition of the FIELD
input when HSYNC is low indicates a new frame, i.e., vertical
retrace. The BLANK signal is optional. When the BLANK input
is disabled, the ADV7174/ADV7179 automatically blanks all
normally blank lines as per CCIR-624. Pixel data is latched on
the rising clock edge following the timing signal transitions.
Mode 1 is illustrated in Figure 24 (NTSC) and Figure 25 (PAL).
Figure 26 illustrates the HSYNC, BLANK, and FIELD for an
odd or even field transition relative to the pixel data.
FIELD
PIXEL
DATA
PAL = 12
×
CLOCK/2
NTSC = 16
×
CLOCK/2
PAL = 132
×
CLOCK/2
NTSC = 122
×
CLOCK/2
Cb
Y
Cr
Y
HSYNC
BLANK
0
Figure 26. Timing Mode 1 Odd/Even Field Transitions Master/Slave
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