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SAA7124HZ Datasheet(PDF) 8 Page - NXP Semiconductors |
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SAA7124HZ Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 44 page 1996 Nov 07 8 Philips Semiconductors Preliminary specification Digital Video Encoder (ECO-DENC) SAA7124; SAA7125 RCV2 I/O 36 20 26 Raster Control 2 for video port. This pin provides an HS pulse of programmable length or receives an HS pulse. RTCI I 37 21 27 Real Time Control input. If the LLC clock is provided by an SAA7111 or SAA7151B, RTCI should be connected to the RTCO pin of the respective decoder to improve the signal quality. VDDD5 I 38 24 30 digital supply voltage 5 VSSD5 I 39 25 31 digital ground 5 n.c. − 40 − 35 not connected VDDD6 I 41 30 37 digital supply voltage 6 VSSD6 I 42 51 39 digital ground 6 n.c. − 43 − 40 not connected XTALI I 44 26 32 Crystal oscillator input (from crystal). If the oscillator is not used, this pin should be connected to ground. XTALO O 45 27 33 Crystal oscillator output (to crystal). VDDDO I 46 28 34 digital supply voltage for the internal oscillator; note 1 n.c. − 47 −− not connected LLC I/O 48 29 36 Line-Locked Clock. This is the 27 MHz master clock for the encoder. The I/O direction is set by the CDIR pin. VDDD7 I 49 52 68 digital supply voltage 7 CDIR I 50 31 38 Clock direction. If CDIR input is HIGH, the circuit receives a clock signal, otherwise if CDIR is LOW, LLC is generated by the internal crystal oscillator. VSSD7 I 51 53 67 digital ground 7 VrefL1 I 52 32 41 Lower reference voltage 1 input for DACs; connect to analog ground. VrefH1 I 53 33 42 Upper reference voltage 1 input for DACs; connect via 100 nF capacitor to analog ground. VDDA1 I 54 34 43 Analog supply voltage 1 for DACs. BLUE O 55 35 44 Analog output of the BLUE component. res I 56 − 45 reserved VDDA2 I 57 36 46 Analog supply voltage 2 for DACs. GREEN O 58 37 47 Analog output of GREEN component. res I 59 − 48 reserved VDDA3 I 60 38 49 Analog supply voltage 3 for DACs. RED O 61 39 50 Analog output of RED component. res I 62 − 51 reserved CUR1 I 63 40 52 Current input 1 for RGB amplifiers; connect via 15 k Ω resistor to VDDA. VDDA4 I 64 41 53 Analog supply voltage 4 for DACs. res I 65 − 54 reserved n.c. − 66 −− not connected SYMBOL TYPE PIN DESCRIPTION PLCC84 LQFP64 QFP80 |
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