參數(shù)資料
型號: AD9937
廠商: Analog Devices, Inc.
英文描述: CCD Signal Processor with Precision Timing⑩ Generator
中文描述: CCD信號處理器精確定時⑩發(fā)生器
文件頁數(shù): 34/44頁
文件大?。?/td> 410K
代理商: AD9937
REV. 0
–34–
AD9937
12-BIT
HD COUNTER
8-BIT
LM COUNTER
HBLKTOG1
SPHSTARTx
HBLKTOG2
HBLKTOG3
LMSTART1
HBLKTOG3
8-BIT
LM COUNTER
SPHSTARTx
1
1
0
1
0
1
SPECIAL
H1A
SPH1A1
H1A
2
3
4
5
6
PROGRAMMING NOTES
1. THERE ARE TWO SPHSTART REGISTERS. THEY ARE SPHSTART0 AND SPHSTART1.
SPHSTART0 IS USED WHEN THE LM0 PULSE IS SELECTED BY SETTING LMPATSEL = 0.
SPHSTART1 IS USED WHEN THE LM1 PULSE IS SELECTED BY SETTING LMPATSEL = 1.
2. THIS REGION REPRESENTS NORMAL H1A OUTPUTS.
3. THIS REGION REPRESENTS SPECIAL H1A PATTERN BEING OUTPUT DURING THE LM REP 1.
THE SPH1A1 REGISTER IS USED TO SET THE SPECIAL H1A PATTERN IN THIS REGION.
4. THIS REGION REPRESENTS SPECIAL H1A PATTERN BEING OUTPUT DURING THE LM REP 2.
THE SPH1A2 REGISTER IS USED TO SET THE SPECIAL H1A PATTERN IN THIS REGION.
5. THIS REGION REPRESENTS SPECIAL H1A PATTERN BEING OUTPUT DURING THE LM REP 3.
THE SPH1A3 REGISTER IS USED TO SET THE SPECIAL H1A PATTERN IN THIS REGION.
6. THIS REGION REPRESENTS NORMAL H1A OUTPUTS.
PROGRAMMING NOTES
1. THIS EXAMPLE SHOWS H1A OUTPUT FOR REGION 3 ABOVE.
IN THIS EXAMPLE: SPH1A1 = 110101.
2. THE SPECIAL H PATTERN STARTING POLARITY CAN BE INDEPENDENTLY SET FOR EACH H OUTPUT
USING THE POL REGISTERS LISTED IN TABLE XVI. NOTE: THE SPECIAL H STARTING POLARITY WILL
OCCUR AT THE START OF SPHSTARTx. (ABOVE: H1APOL = 0)
PIXEL
CLOCK
LMSTART0
Figure 28. Example of Programming the Special H-Output Patterns
HBLKTOG2
H1TOG12POL
132
133
134
135
868
1560
1559
0
1
2
3
H1
H2
823
824
825
H1MASKPOL
4
H1TOG34POL
131
HBLKTOG3
HBLKTOG4
HBLKTOG1
HMASK
HBLK
HBLK
HBLK
Figure 29. Example of Horizontal HMASK Masking
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