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MC13077P Scheda tecnica(PDF) 5 Page - Motorola, Inc |
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MC13077P Scheda tecnica(HTML) 5 Page - Motorola, Inc |
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5 / 14 page  20 k 1.4 V 10 k Vref VCC 10 k 10 k 1/2 VCC Internal Burst VCC 1.4 V 2.0 V 10 k 10 k Flag MC13077 5 MOTOROLA ANALOG IC DEVICE DATA PIN DESCRIPTIONS (continued) Pin Symbol Internal Equivalent Schematic Description Expected Waveforms 10 YOut Luminance Delay Line Drive Output. A delay should be inserted between this pin and Pin 6 to match the delay incurred by the Chroma. 1.0 Vpp with sync (100% saturated Color Bar output). 11 Gnd Ground Ground 12 RedIn Red Video input. 0.7 Vpp AC coupled (100% Color Bars). 13 GreenIn See Pin 12 Green Video input. 0.7 Vpp AC coupled (100% Color Bars). 14 BlueIn See Pin 12 Blue Video input. 0.7 Vpp AC coupled (100% Color Bars). 15 B–Y Clamp B–Y Clamp storage capacitor. A 0.01 µF capacitor should be connected from this pin to ground, unless the pin is used as an input. If not used as an input the pin is clamped during sync to 2.4 Vdc. Can be used as a B–Y input (AC coupled, 350 mVpp, 100% color saturation). Burst Flag, if disabled at Pin 18, must be inserted here with the following signal levels; –170 mV (NTSC), –121 mV (PAL). 16 R–Y Clamp R–Y Clamp storage capacitor. A 0.01 µF capacitor should be connected from this pin to ground, unless the pin is used as an input. If not used as an input the pin is clamped during sync to 2.4 Vdc. Can be used as a R–Y input (AC coupled, 490 mVpp, 100% color saturation). Burst Flag, if disabled at Pin 18, must be inserted here with the following signal level; +121 mV for PAL. 17 Chroma Out Chroma Bandpass Drive Output. 2.8 Vpp (100% Color Bars) 18 Burst Flag Out/Force Burst Flag Burst Flag Output Disable and Force pin. If left unconnected, internally generated color burst will appear at Pins 2 and 4. Burst Flag will appear at this pin (18). If grounded, the Burst Flag will be disabled. If externally driven from another source of burst flag, the internal flags will be overriden. 1.8 Vpp burst flag pulses if unconnected. 19 PAL Square– wave Out/Force NTSC PAL/NTSC system switch. If grounded, the MC13077 will encode NTSC, and if left open, PAL. In PAL mode, a PAL squarewave appears at this pin, the phase of which can be reset by momentarily forcing the pin to ground during the high state of the squarewave. 20 Chroma In Chroma Bandpass input. Output from chroma bandpass filter should be applied at this pin. 1.4 Vpp (100% Color Bars) with bandpass filter and 1.0 k Ω matching resistors. |
Codice articolo simile - MC13077P |
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Descrizione simile - MC13077P |
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