參數(shù)資料
型號(hào): LM9801CCV
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: Greyscale/24-Bit Color Linear CCD Sensor Processor
中文描述: SPECIALTY ANALOG CIRCUIT, PQCC52
封裝: PLASTIC, LCC-52
文件頁(yè)數(shù): 32/34頁(yè)
文件大?。?/td> 520K
代理商: LM9801CCV
Applications Information
(Continued)
Figure 25 shows a different technique for increasing the TR-
w
1 guardband and/or increasing the length of the TR pulse
by stopping the s MCLK during the TR period. When TR
initially goes high, the first one-shot (U1A) triggers, effec-
tively disabling the LM9801’s MCLK for
&
2
m
s, thereby
lengthening the TR pulse width by
&
2
m
s over the value
programmed in the configuration register. On the falling
edge of TR, the second one-shot (U1B) fires, disabling the
LM9801’s MCLK for
&
1
m
s and increasing the TR-
w
1
guardband by that amount.
TL/H/12814–52
FIGURE 25. Stretching TR and the TR-
w
1 Guardband
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32
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