參數(shù)資料
型號(hào): HV7131B
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS IMAGE SENSOR With 8-bit ADC
中文描述: CMOS圖像傳感器的8位ADC
文件頁數(shù): 21/29頁
文件大?。?/td> 834K
代理商: HV7131B
HV7131B
Electronics Industries Co., Ltd.
System IC Division
CMOS IMAGE SENSOR
With 8-bit ADC
This document is a general product description and is subject to change without notice. Hyundai Electronics does not assume any
responsibility for use of circuits described. NO patent licenses are implied.
DA31991011R_1.0 - 21 - 1999 Hyundai System IC Division
PRELIMINARY
< Idle Slots >
l
Line Mode: (Integration Time - EffectiveWindowHeight) * 1024 clks
l
Pixel Mode: (Integration Time - EffectiveWindowHeight *Scale)
= (Integration Time - EffectiveWindowHeight *SensorArrayWidth) clks
Each Frame Timing of the above cases may be decomposed into four timing segments
l
Initial Data Setup Time after ENB gets active
l
Even Line
l
Odd Line
l
Frame Transition
The subsections will describe frame timing diagram for said frame time cases, (Integration Time <
Effective Window Height * Scale) and (Integration Time > Effective Window Height * Scale).
1. Frame Timing Diagram for Integration Time < (EffectiveWindowHeight * Scale)
Frame timing related registers are programmed to suit for the above condition as follows
RowStartAddress = 3; WindowHeight = 482;
ColumnStartAddress = 3; WindowWidth = 642;
IntegrationTime = 400 [Line Mode];
EffectiveWindowHeight is “482” for (SensorArrayHeight > (RowStartAddress + WindowHeight + 1)), i.e.
488 > (3 + 482 + 1), is met, and Scale is “1” for integration time is line mode. Therefore, (Integration Time
< EffectiveWindowHeight * Scale), i.e. 400 < 482 * 1, is met.
Overall Frames Sequence
I
L
L
,
L
....
L
V
L
L
,
L
....
L
V
L
L
,
L
....
L
V
....
Frame 1
Frame 2
Frame 0
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