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STV2310 データシート(PDF) 84 Page - STMicroelectronics |
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STV2310 データシート(HTML) 84 Page - STMicroelectronics |
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84 / 112 page  Register List STV2310 84/112 DDECCONT37 Register Description DDECCONT38 Register Description Address (hex): 37h Reset Value (bin): 1111 1111 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 CB_SCALING[1:0] CR_SCALING[5:0] Bit Name Function CB_SCALING [1:0] 2 LSB for Scaling Factor for Cb data flow The Cb data flow in the COR block is multiplied by the CB_SCALING factor. (Each LSB of scaling factor = 1/64) when CB_SCALING = 11 1111, the scaling factor = 1 when CB_SCALING = 00 0000, the scaling factor = 1/64 CR_SCALING [5:0] Scaling Factor for Cr data flow The Cr data flow in the COR block is multiplied by the CR_SCALING factor. (Each LSB of scaling factor = 1/64) when CR_SCALING = 11 1111, the scaling factor = 1 when CR_SCALING = 00 0000, the scaling factor = 1/64 Address (hex): 38h Reset Value (bin): 0010 1111 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 PASSTHRO UGH_EN OUTBEHAV _MOD1 OUTBEHAV _BLANK2 OUTBEHAV _BLANK1 CB_SCALING[5:2] Bit Name Function PASSTHROUGH _EN Enable for the pass-through mode The pass-through mode allows (test) lines that are sent during the Vertical Blanking interval to be sent captured by the line memory and reissued. OUTBEHAV_MO D1 The OUTBEHAV_MOD1 selection bit is used to block the free run mode on the output clock when there is no input video (HLOCK = 0). 0: Free run mode on the output clock when hlock = 0 (Default). The output data is blanked or not during the no video state or the transient state according to the bits OUTBEHAV_BLANK1 and OUTBEHAV_BLANK2. (See above) 1: The output clock follows the search performed by the input PLL. (This mode is mainly used for debug reasons.) OUTBEHAV_ BLANK2 OUTBEHAV_ BLANK1 The OUTBEHAV_BLANK1 and OUTBEHAV_BLANK2 selection bits are used to program the STV2310 behaviour when there is no input video (HLOCK = 0) or when there is an input video (HLOCK = 1) but the vertical synchronisation is not yet acquired (VLOCK = 0). They are only operational when OUTBEHAV_MOD1 = 0. This is the normal default mode. OUTBEHAV_BLANK1 = 0, the output FIFO is read when HLOCK = 0 OUTBEHAV_BLANK1 = 1, the output data is blanked when HLOCK = 0 OUTBEHAV_BLANK2 = 0, the output FIFO is read when HLOCK = 1 and VLOCK = 0 OUTBEHAV_BLANK2 = 1, the output data is blanked when HLOCK = 1 and VLOCK = 0 |
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