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M306V2EEFS датащи(PDF) 187 Page - Renesas Technology Corp |
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M306V2EEFS датащи(HTML) 187 Page - Renesas Technology Corp |
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187 / 271 page ![]() Rev.1.40 Oct 06, 2004 page 187 of 269 M306V2ME-XXXFP, M306V2EEFP The vertical position for each block can be set in 1024 steps (where each step is 1TH (TH: HSYNC cycle)) as values “00216” to “3FF16” in vertical position register i (i = 1 to 16) (addresses 022016 to 023F16). The vertical position register i is shown in Figure 2.16.10. Figure 2.16.10 Vertical position register i (i = 1 to 16) Figure 2.16.11 Horizontal position register Horizontal position register b7 b6 b5 b4 b3 b2 b1 b0 Symbol Address When reset HP 020416 0016 Bit symbol HP_7 to HP_0 Horizontal display start position control bits Bit name Function R W Horizontal display start position = 4TOSC ✕ n (n: setting value, TOSC: OSD oscillation cycle) Note : The setting value synchronizes with the VSYNC. The horizontal position is common to all blocks, and can be set in 256 steps (where 1 step is 4TOSC, TOSC being OSD oscillation cycle) as values “0016” to “FF16” in bits 0 to 7 of the horizontal position register (address 020416). The horizontal position register is shown in Figure 2.16.11. Vertical position register i b7 b6 b5 b4 b3 b2 b1 b0 (b15) b7 (b8) b0 b6 b5 b4 b3 b2 b1 Symbol Address When reset VPi (i = 1 to 16) Even addresses within addresses 022016 to 023F16, Indeterminate Odd addresses within addresses 022016 to 023F16 Bit symbol VPi_9 to VPi_0 Vertical display start position control bits of SPRITE font Bit name Function R W Vertical display start position = TH ✕ n (n: setting value, TH: HSYNC cycle) Nothing is assined. In an attempt to write to this bit, write “0.” The value, if read, turns out to be indeterminate. Note : Do not set VPi ≤ “00116,” VPi ≥ “40016.” |
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