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TDA4672 Datasheet(PDF) 9 Page - NXP Semiconductors |
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TDA4672 Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 16 page 1996 Dec 11 9 Philips Semiconductors Product specification Picture Signal Improvement (PSI) circuit with enhanced peaking function TDA4672 I2C-BUS FORMAT Notes 1. S = START condition. 2. SLAVE ADDRESS = 1000 100X. 3. ACK = acknowledge, generated by the slave. 4. SUBADDRESS = subaddress byte, see Table 1. 5. DATA = data byte, see Table 1. 6. P = STOP condition. 7. X = read/write control bit. X = 0, order to write (the circuit is slave receiver). X = 1, order to read (the circuit is slave transmitter). If more than 1 byte of DATA is transmitted, then auto-increment of the subaddress is performed. Table 1 I2C-bus transmission; see Table 2 Table 2 Function of the bits S(1) SLAVE ADDRESS(2) ACK(3) SUBADDRESS(4) ACK(3) DATA(5) P(6) FUNCTION SUBADDRESS DATA D7 D6 D5 D4 D3 D2 D1 D0 Y delay/SC 00010000 0 SC5 0 DL4 DL3 DL2 DL1 DL0 Peaking and coring 00010001 COR PEAK LCF 0 PCON3 PCON2 PCON1 PCON0 DATA FUNCTION LOGIC 1 LOGIC 0 DL0 set delay in luminance channel 45 ns 0 ns DL1 90 ns 0 ns DL2 180 ns 0 ns DL3 180 ns 0 ns DL4 450 ns 0 ns SC5 select sandcastle pulse voltage +5 V +12 V LCF set peaking frequency response 2.6 MHz 5.0 MHz PEAK set peaking delay active (190 ns) inactive COR set coring control active inactive PCONx set peaking amplification see Table 3 |
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