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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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CXD3017Q 데이터시트(PDF) 76 Page - Sony Corporation |
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CXD3017Q 데이터시트(HTML) 76 Page - Sony Corporation |
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76 / 117 page  – 76 – CXD3017Q §4-7. FCS Servo and FCS Search (Focus Search) The FCS servo is controlled by the 8-bit serial command $0X. (See Table 4-6.) Register name Command D23 to D20 D19 to D16 1 0 ∗ ∗ 1 1 ∗ ∗ 0 ∗ 0 ∗ 0 ∗ 1 ∗ 0 ∗ 1 0 0 ∗ 1 1 FOCUS SERVO ON (FOCUS GAIN NORMAL) FOCUS SERVO ON (FOCUS GAIN DOWN) FOCUS SERVO OFF, 0V OUT FOCUS SERVO OFF, FOCUS SEARCH VOLTAGE OUT FOCUS SEARCH VOLTAGE DOWN FOCUS SEARCH VOLTAGE UP 0 0 0 0 FOCUS CONTROL 0 Table 4-6 FCS Search FCS search is required in the course of turning on the FCS servo. Fig. 4-7 shows the signals for sending commands $00 → $02 → $03 and performing only FCS search operation. Fig. 4-8 shows the signals for sending $08 (FCS on) after that. FCSDRV RF FOK FE FZC FZC comparator level $00 $02 $03 0 0 FCSDRV RF FOK FE FZC $00 $02 $03 0 $08 Fig. 4-7 Fig. 4-8 ∗: don't care |
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