BU1521GVW-E2

Video Processing Overview

The BU1521GVW is a video accessory LSI designed for portable image equipment, functioning as an upscaler to convert SDTV (NTSC/PAL) formats to HDTV (up to 1080p). It utilizes a frame memory-less architecture for high-quality IP conversion and upscaling. The device accepts 480i/576i YCbCr 4:2:2 8-bit digital input at 27 MHz and outputs various formats including 480p, 576p, and 1080i/p at pixel clocks up to 148.5 MHz. It features a built-in PLL, 5x5 programmable filtering, and SPI register access.

Video Processing Feature Summary

• Performs interlace-to-progressive conversion and horizontal/vertical upscaling without requiring external frame memory.
• Integrates a Phase-Locked Loop (PLL) to generate HD clock frequencies from a 27 MHz input.
• Supports programmable 5x5 filter coefficients via SPI interface for image quality adjustment.
• Includes power-down and through-mode control capabilities for system efficiency.

Video Processing Applications

• Digital Video Cameras
• Digital Still Cameras
• Portable DVD Players

Video Processing Procurement Notes

Verify the specific ordering suffix E2 corresponds to embossed tape and reel packaging containing 2000 pieces per reel. Confirm that the SBGA063W060 package dimensions match your PCB footprint requirements. Ensure design compliance with ROHM's absolute maximum ratings and operating temperature range of -25°C to +85°C.

Video Processing Selection Notes

Select this component when designing compact mobile systems requiring SD to HD upconversion without the area penalty of external frame buffers. It is suitable for applications needing flexible output formats ranging from standard definition to 1080p. Consider the multiple supply voltage requirements (1.15V–3.6V) during power rail planning.

Video Processing Part Context

The BU1521GVW belongs to ROHM's Video Accessory IC Series, specifically targeting portable image equipment. It addresses the need for high-quality video processing in space-constrained mobile devices by integrating upscaling and format conversion functions into a single 63-pin BGA package.

Video Processing Replacement Considerations

No public confirmed substitute part numbers are documented in the source material.

Video Processing FAQ

Does the BU1521GVW require external frame memory?

No, the device realizes high-quality IP change and up-scale management through a frame memory-less operation architecture.

What is the supported input data format?

The input format is 480i or 576i (ITU-R BT656) YCbCr 4:2:2 8-bit digital interface based on ITU-R BT601 standards.

How is the internal PLL configured?

The built-in PLL accepts a 27 MHz input frequency and can output 74.25 MHz, 74.175824 MHz, 148.5 MHz, or 148.351648 MHz depending on the selected output format.