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STV0056 Datasheet(PDF) 18 Page - STMicroelectronics |
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STV0056 Datasheet(HTML) 18 Page - STMicroelectronics |
18 / 26 page CONTROL REGISTERS (continued) Reg 2 write only Bit (default F7HEX) 0 H Select video source for scart 1 O/P 1 H Select video source for scart 1 O/P 2 H Select video source for scart 1 O/P 3 L Select 4.000MHz or 8.000MHz clock speed (L = 8MHz) 4 H Select audio source for volume output (Switch K1) 5 H Select audio source for volume output (Switch K1) 6 H Select Left/Right/Stereo for volume output 7 H Select Left/Right/Stereo for volume output Reg 3 write only Bit (default F7HEX) 0 H Select video source for scart 2 O/P 1 H Select video source for scart 2 O/P 2 H Select video source for scart 2 O/P 3 L Video deemphais 2 / 22kHz (H : 22kHz) 4 H Select audio source for Scart 2 output (Switch K5) 5 H Select audio source for Scart 2 output (Switch K5) 6 H Audio deemphasis select (Switch K2) 7 H Audio deemphasis select (Switch K2) Reg 4 write only Bit (default BFHEX) 0 H Select source for video decoder O/P 1 H Select source for video decoder O/P 2 H Select source for video decoder O/P 3 H Stand-by or low power mode (H = low power) 4 H Select audio source for Scart 3 output (Switch K6) 5 H Select audio source for Scart 3 output (Switch K6) 6 L Black level adjust on Scart 3 video 7 H Black level adjust on Scart 3 video Reg 5 write only Bit (default B5HEX) 0 H FM deviation selection -- default value for 50kHz modulation 1 L FM deviation selection 2 H FM deviation selection 3 L FM deviation selection 4 H FM deviation selection 5 H FM deviation selection (L = double the FM deviation) 6 L Select 22kHz for I/O (Pin 29 / STV0056A) 7 H Select TP50a (H) or I/O (Pin 29 / STV0056A). TP50a for test only. Reg 6 write/read Bit (default 86HEX) 0 L Status of I/O 1 H Select data direction of I/O 1 ( H = output) 2 H Select frequency synthesizer 1 OFF/ON (L = OFF) 3 L Select frequency synthesizer 2 OFF/ON (L = OFF) 4 L Select RF source (L = OFF) to FM det 1 5 L Select RF source (L = OFF) to FM det 2 6 L Select frequency for PLL synthesizer - LSB (bit 0) of 10-bit value 7 H Select frequency for PLL synthesizer - bit 1 of 10-bit value STV0056A 18/26 |
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Similar Description - STV0056 |
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