VPX3226 Pin Function Overview The VPX3226 is a high-performance video processing IC designed for applications requiring precise timing control and video signal handling. It features a wide range of input and output pins, supporting both digital and analog video interfaces, as well as test and control functions. This pinout provides a detailed breakdown of the functionality of each pin on the VPX3226 device: With its comprehensive set of functions, the VPX3226 is ideal for use in video processing systems, including but not limited to display controllers, video capture cards, and broadcast equipment. Its flexibility and performance make it a popular choice for engineers working on advanced video applications.
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Foot number Name Function Description 1 TDI Test Data Input – used for JTAG testing and programming. 2 TCK Test Clock Input – provides the clock signal for JTAG operations. 3 TDO, LLC2, DACT Test Data Output – outputs data during testing; also supports 13.5MHz adaptive VBI data output. 4 HREF Horizontal Reference Output – provides a reference signal for horizontal synchronization. 5 VREF Vertical Reference Output – provides a reference signal for vertical synchronization. 6 FIELD Odd/Even Field Output – indicates whether the current field is odd or even. 7–10 A7–A4 Port A Video Data Output – carries video data for port A. 11 SUPPLY Power Supply – connects to the power source for the chip. 12 PIXCLK Pixel Clock Output – provides the clock signal for pixel timing. 13 PVSS Ground – digital ground connection. 14–17 A3–A0 Port A Video Data Output – continues the video data output from port A. 18 OE Output Enable – controls when the output signals are active. 19 LLC 27MHz Output – generates a 27MHz clock signal for system use. 20 VACT Adaptive Video Limit Output – provides a signal for video limit detection. 27–28 B7–B0 Port B Video Data Output – carries video data for port B. 29–30 SDA, SCL I2C Bus Lines – used for communication with external devices via I2C protocol. 31 RES Reset Input – resets the device when activated. 32 VSS Ground – digital ground connection. 33 VDD Digital Power Supply – provides power to the digital section of the chip. 34,35 XTAL Analog Crystal Input/Output – connects to an external crystal oscillator for timing. 36 AVDD Analog Power Supply – powers the analog sections of the chip. 37 CIN Analog Color Input – receives color information from an external source. 38 AVSS Analog Ground – grounds the analog circuits. 39 VIN1 Analog Video Input 1 – receives the first video signal input. 40 VIN2 Analog Video Input 2 – receives the second video signal input. 41 VRT Video ADC Term Reference Voltage – provides a reference voltage for the ADC. 42 VIN3 Analog Video Input 3 – receives the third video signal input. 43 ISGND Analog Video Input Signal Ground – grounds the video input signals. 44 TNCS Test Mode Selection – selects between different test modes.