參數(shù)資料
型號(hào): GS4910B
廠商: Gennum Corporation
英文描述: HD/SD/Graphics Clock and Timing Generator with GENLOCK
中文描述: 高清/標(biāo)清/圖形時(shí)鐘和定時(shí)發(fā)生器鎖相
文件頁(yè)數(shù): 70/113頁(yè)
文件大?。?/td> 1017K
代理商: GS4910B
GS4911B/GS4910B Data Sheet
36655 - 2
April 2006
70 of 113
In the case of interlaced output formats, the programmed vertical start and stop
lines refer to the start and stop lines of the generated USER signal on field 1. The
start and stop lines of the USER signal on the even fields will be V_Start - 1 and
V_Stop - 1, respectively.
For example, if VID_STD[5:0] = 3, field 1 will have 263 lines and field 2 will have
262 lines. A user-defined vertical pulse programmed to start on line 12 and stop on
line 17 will start on frame lines 12 and 274, and stop on frame lines 17 and 279.
The designated registers for programming each user signal are located in the host
interface beginning at address 57h. See
Section 3.12.3 on page 79
.
Figure 3-11: USER Programmable Output Signal
AND=0, OR=0, XOR=0 (default)
AND=0, OR=1
Shading indicates when USER_x signal is active
H
H
V_Start
V_Stop
AND=1
H
H
V_Start
V_Stop
H
H
V_Start
V_Stop
AND=0, OR=0, XOR=1
H
H
V_Start
V_Stop
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