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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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CXD3017Q 数据表(PDF) 76 Page - Sony Corporation |
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CXD3017Q 数据表(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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