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M306V2EEFS датащи(PDF) 230 Page - Renesas Technology Corp |
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M306V2EEFS датащи(HTML) 230 Page - Renesas Technology Corp |
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230 / 271 page ![]() Rev.1.40 Oct 06, 2004 page 230 of 269 M306V2ME-XXXFP, M306V2EEFP 2.16.19 R, G, B Signal Output Control The form of R, G, B signal output is controlled by bit 4 of the clock register and bit 2 of the OSD control register 2 as the table below. 0 1 0 1 Table 2.16.13 R, G, B signal output control Note: When bit 4 of the clock control register is “1,” ports P57, P60, P73 function as OSD function pins R', G', B', respectively. When emulating, however, set bit 4 to “0.” Bit 2 of OSD control register 2 Bit 4 of clock control register Each R, G, B pin outputs 2 values (digital output). Each R, G, B pin outputs 8 values (analog output). Each R, R' (P73), G, G' (P60), B, B' (P57) pin outputs 2 values. (Corresponding to each signal output control bits of color palette register i) R, G, B: CRi_1, CRi_5, CRi_9, respectively R', G', B': CRi_0, CRi_4, CRi_8, respectively Form of R, G, B signal output 2.16.18 Scan Mode This microcomputer has the bi-scan mode for corresponding to HSYNC of double speed frequency. In the bi-scan mode, the vertical start display position and the vertical size is two times as compared with the normal scan mode. The scan mode is selected by bit 1 of the OSD control register 1 (refer to Figure 2.16.3). Bit 1 of OSD control register 1 Vertical display start position Vertical dot size Table 2.16.12 Setting for scan mode Normal Scan 0 Value of vertical position register ✕ 1H 1TC ✕ 1/2H 1TC ✕ 1H 2TC ✕ 2H 3TC ✕ 3H Bi-Scan 1 Value of vertical position register ✕ 2H 1TC ✕ 1H 1TC ✕ 2H 2TC ✕ 4H 3TC ✕ 6H Scan Mode Parameter |
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