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ADE3800XT 数据表(PDF) 34 Page - STMicroelectronics |
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ADE3800XT 数据表(HTML) 34 Page - STMicroelectronics |
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34 / 138 page  Register Description by Block ADE3800 34/138 Table 16: Sync Retiming Registers (Sheet 1 of 2) Register Name Addr Mode Bits Rst Description SRT_CSYNC_INV 01E0 R/W [2] 00 invert vert sync signal extracted from internal SOG comparator (sog_vs_inv) R/W R/W [1] invert vert sync extracted from composite sync signal on HSync pin (csync_vs_inv) R/W [0] invert filtered vert sync (filt_vs_inv) SRT_CSYNC_THR_L SRT_CSYNC_THR_U 01E1 01E2 R/W R/W [7:0] [3:0] 80 00 composite sync vertical sync extractor threshold (this is the narrowest HSync signal sent +50% as a safety margin) refer to Figure 7 SRT_VSYNC_SEL 01E3 R/W [2:0] 00 filtered vert sync source select 0*: VSYNC pin 1: vsync from composite HSYNC pin 2: vsync from composite SOG[0] comparator 3: vsync from composite SOG[1] comparator 4: vsync from composite SOG[2] comparator 5: vsync from alternate SOG source 6 - 7: Reserved SRT_VSYNC_THR_L SRT_VSYNC_THR_U 01E4 01E5 R/W R/W [7:0] [3:0] 80 00 filtered vert sync delay SRT_COAST_VS_SEL 01E6 R/W [3] 00 coast signal trigger edge 0*: rising edge of selected VSync 1: falling edge of selected VSync R/W [2:0] source selection for coast VSync trigger 0*: VSYNC pin 1: vsync from composite HSYNC pin 2: vsync from composite SOG[0] comparator 3: vsync from composite SOG[1] comparator 4: vsync from composite SOG[2] comparator 5: filtered and delayed vsync (normal) 6: vsync from alternate SOG source 7: Reserved SRT_COAST_RISE_L SRT_COAST_RISE_M SRT_COAST_RISE_U 01E7 01E8 01E9 R/W R/W R/W [7:0] [7:0] [7:0] 00 00 00 rising edge of coast, in XCLKs from vsync trigger SRT_COAST_FALL_L SRT_COAST_FALL_M SRT_COAST_FALL_U 01EA 01EB 01EC R/W R/W R/W [7:0] [7:0] [7:0] 00 00 00 falling edge of coast, in XCLKs from vsync trigger SRT_HS_CTRL 01EE R/W [4] 00 Edge of inclk on which to sample horizontal sync: 0*: rising edge 1: falling edge (normal) R/W [2:0] HSync Sample Selection for SMUX 0*: reserved 1: llk_HSync (normal) 2: SOG0 3: SOG1 4: SOG2 5: EXT_SOG |
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