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STV2246C Datasheet(PDF) 5 Page - STMicroelectronics |
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STV2246C Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 76 page STV223XD/224XC - GENERAL DESCRIPTION 5/76 Note 1: Input/Output not available in STV2246C/86C and STV2236D versions. This pin must not be con- nected. Note 2: When REXT, GEXT and BEXT pins are not used, they must not be connected. Register 0Ah must be set (d7 and d6 = 01). (RGB external inputs disabled.) Note 3: FBEXT to be connected to ground when not used. Note 4: CVBS output 1 on pin 29 (SDIP56), if register 1Dh = 07h. 43 57 GND1 Chroma/Scanning Ground - 58 CVBSOUT1 Main Video Switch Output 45 59 VCC1 Chroma/Scanning Power Supply (8 V) 46 61 BCL/SAF Beam Current Limiter Control Voltage and Safety Input (XRAY) 47 62 VERT Vertical Output Pulse 48 63 HOUT Horizontal Output Pulse 49 64 LFB/SSC Line Flyback Input and Super-Sandcastle Output 50 1 SLPF Scanning PLL Filter 51 2 SCL I²C Bus Clock Input 52 3 SDA I²C Bus Data Input 53 4 VCCD Digital Supply Voltage (5 V) 54 5 GNDD Digital Ground 55 6 AUDIOOUT Main Audio Output 56 7 FMCAP FM Demodulation Capacitor - 15 SAW Filter Switch Control 25 30 BEXT/Cb External Blue Input or external Cb Input (Please refer to Note 2) 26 31 GEXT/Y External Green Input or external Y Input (Please refer to Note 2) 27 32 REXT/Cr External Red Input or external Cr Input (Please refer to Note 2) 28 33 FBEXT External Fast Blanking Input (Please refer to Note 3) 24 36 APR Automatic RGB Peak Regulation - 51 HC Half Contrast Input 44 60 CVBSOUT2 Second Video Switch Output 29 - NTBC/CVBSOUT1 Not To Be Connected or CVBS Output 1 (Please refer to Note 4) Pin N° Symbol Description STV224XC/8XC STV223XD SDIP56 TQFP64 |
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