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M37151 Datasheet(PDF) 68 Page - Renesas Technology Corp |
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M37151 Datasheet(HTML) 68 Page - Renesas Technology Corp |
68 / 139 page ![]() SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER MITSUBISHI MICROCOMPUTERS M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP 67 Rev. 1.0 Fig. 8.11.7 Vertical Position Register i (i = 1 and 2) b7 b6 b5 b4 b3 b2 b1 b0 0 to 7 R W Vertical Position Register i Vertical position register i (VPi) (i = 1 and 2) [Addresses 00D416, 00D516] B Name Functions After reset RW Inderterminate Vertical display start position control bits (VPi0 to VPi7) (See note) Vertical display start position = TH 5 (BCi6 ✕ 16 2 + n) (n: setting value, TH: HSYNC cycle, BCi6: bit 6 of block control register i) Notes 1: Set values except “0016” to VPi when BCi6 is “0.” 2: When OS21 of OSD control register 2 = “0”, TH = 1HSYNC, and OS21 of OSD control register 2 = “1”, TH = 2HSYNC. The vertical display start position for each block can be set in 512 steps (where each step is 1TH (TH: HSYNC cycle)) as values “0016” to “FF16” in vertical position register i (i = 1 and 2) (addresses 00D416 and 00D516) and values “0” or “1” in bit 6 of block control register i (i = 1 and 2) (addresses 00D216 and 00D316). The vertical position register is shown in Figure 8.11.7. The vertical display start position of both blocks can be switched in each step to 1TH or 2TH by setting values “0” or “1” in bit 1 of OSD control register 2 (address 00DB16). |
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