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TVP5151IPBSR Datasheet(PDF) 8 Page - Texas Instruments |
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TVP5151IPBSR Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 85 page  TVP5151 SLES241E – SEPTEMBER 2009 – REVISED OCTOBER 2011 www.ti.com Table 2-1. Terminal Functions (continued) TERMINAL NO. I/O DESCRIPTION NAME ZQC PBS This terminal has three functions selectable by bit 7 of I2C register 03h and bit 1 of I2C register 0Fh: • INTREQ: Interrupt request output • GPCL: General-purpose control logic output. In this mode, the state of terminal 27 is INTREQ/ B5 27 O directly programmed via I2C. GPCL/VBLK • VBLK: Vertical blanking output. In this mode, terminal 27 indicates the vertical blanking interval of the output video. The beginning and end times of this signal are programmable via I2C. An external pullup or pulldown resistor is required under certain conditions (see Figure 6-1). IO_DVDD G2 10 P Digital output supply, 1.8 V to 3.3 V SCLK G1 9 O System clock at 2x the frequency of the pixel clock. Power-down terminal (active low). Puts the decoder in standby mode. Preserves the value PDN A5 28 I of the registers. Active-low reset. RESETB can be used only when PDN = 1. When RESETB is pulled low, it RESETB F1 8 I resets all the registers and restarts the internal microprocessor. SCL D7 21 I/O I2C serial clock (open drain) SDA C7 22 I/O I2C serial data (open drain) VSYNC: Vertical synchronization signal PALI: PAL line indicator or horizontal lock indicator. For the PAL line indicator: VSYNC/PALI B7 24 O 1 = Noninverted line 0 = Inverted line G3 12 F4 13 G4 14 YOUT[6:0] G5 15 O ITU-R BT.656 output/YCbCr 4:2:2 output with discrete syncs G6 16 G7 17 F7 18 I2CSEL: Determines address for I2C (sampled during reset). A pullup or pulldown resistor is needed ( >1 kΩ) to program the terminal to the desired address. 1 = Address is BAh YOUT7/I2CSEL F3 11 I/O 0 = Address is B8h YOUT7: Most significant bit (MSB) of ITU-R BT.656 output/YCbCr 4:2:2 output 8 Device Details Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback |
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