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TW2866C датащи(PDF) 80 Page - Renesas Technology Corp |
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TW2866C датащи(HTML) 80 Page - Renesas Technology Corp |
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80 / 143 page ![]() TW2866C FN8253 Rev. 0.00 Page 80 of 143 February 3, 2012 0X9F(CH1)/0X67(CH2)/0X68(CH3)/0X69(CH4) – CLOCK OUTPUT DELAY CONTROL REGISTER Index Bit Function R/W Description Reset 0x9F 7-4 CLKNO1_DEL R/W Control the clock delay of CLKNOn pin. 0h/1h/3h/7h/Fh values are effective. 1h:about 2ns more delay, 3h: about 4ns more delay, 7h:about 6ns more delay, Fh: about 7ns more delay 0h 0x67 CLKNO2_DEL RW 0x68 CLKNO3_DEL R/W 0x69 CLKNO4_DEL RW 0x9F 3-0 CLKPO1_DEL R/W Control the clock delay of CLKPOn pin. 0h/1h/3h/7h/Fh values are effective. 1h:about 2ns more delay, 3h: about 4ns more delay, 7h:about 6ns more delay, Fh: about 7ns more delay 0h 0x67 CLKPO2_DEL R/W 0x68 CLKPO3_DEL R/W 0x69 CLKPO4_DEL R/W *) CLKNOn_POL/CLKPOn_POL controls have more better & easy clock margin adjustment. Use CLKNOn_POL/CLKPOn_POL at first normally, especially for 27MHz/54MHz data output application. CLKNOn_DEL/CLKPOn_DEL are sometimes required for 108MHz data output interface. CLKNOn_DEL/CLKPOn_DEL are not required for 27MHz/54MHz data output in most cases. 0XA8 ~0XA9 – HORIZONTAL SCALER PRE-FILTER CONTROL REGISTER 0XA8 – HORIZONTAL SCALER PRE-FILTER CONTROL REGISTER Bit Function R/W Description Reset 7-4 HFLT2 R/W Pre-filter selection for Video CH1/CH2 horizontal scaler. If HSCALE[11:8]=1,HFLT [3:0] controls the peaking function. If HSCALE[11:8]>1,HFLT [2:0] function is bellow. 1** = Bypass 000 = Auto selection based on Horizontal scaling ratio. 001 = Recommended for CIF size image. 010 = Recommended for QCIF size image. 011 = Recommended for ICON size image. 0h 3-0 HFLT1 R/W 0h |
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