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HSP48908883 Datasheet(PDF) 1 Page - Intersil Corporation |
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HSP48908883 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 7 page 1 TM FN2783.5 HSP48908/883 Two Dimensional Convolver The Intersil HSP48908/883 is a high speed Two Dimensional Convolver which provides a single chip implementation of a video data rate 3 x 3 kernel convolution on two dimensional data. It eliminates the need for external data storage through the use of the on-chip row buffers which are programmable for row lengths up to 1024 pixels. There are internal register banks for storing two independent 3 x 3 filter kernels, thus, facilitating the implementation of adaptive filters and multiple filter operations on the same data. The pixel data path also includes an on-chip ALU for performing real-time arithmetic and logical pixel point operations. Data is provided to the HSP48908/883 in a raster scan noninterlaced fashion, and is internally buffered on images up to 1024 pixels wide for the 3 x 3 convolution operation. Images with larger rows and convolution with larger kernel sizes can be accommodated by using external row buffers and/or multiple HSP48908/883s. Coefficient and pixel input data are 8-bit signed or unsigned integers, and the 20-bit convolver output guarantees no overflow for kernel sizes up to 4 x 4. Larger kernel sizes can be implemented however, since the filter coefficients will normally be less than their maximum 8-bit values. The HSP48908/883 is manufactured using an advanced CMOS process, and is a low power fully static design. The configuration of the device is controlled through a standard microprocessor interface and all inputs/outputs are TTL compatible. Features • This Circuit is Processed in Accordance to MIL-STD-883 and is Fully Conformant Under the Provisions of Paragraph 1.2.1. • Single Chip 3 x 3 Kernel Convolution • Programmable On-Chip Row Buffers • DC to 27MHz Clock Rate • Cascadable for Larger Kernels and Images • On-Chip 8-Bit ALU • Dual Coefficient Mask Registers, Switchable in a Single Clock Cycle • 8-Bit Signed or Unsigned Input and Coefficient Data • 20-Bit Extended Precision Output • Standard µP Interface Applications • Image Filtering • Edge Detection • Adaptive Filtering • Real Time Video Filter Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. HSP48908GM-20/883 -55 to 125 84 Ld CPGA G84.A HSP48908GM-27/883 -55 to 125 84 Ld CPGA G84.A Data Sheet December 1999 FOR A POSS IBLE SUBS TITUT E PRO DUCT call C entra l App licatio ns 1-8 88-IN TERS IL or ema il: ce ntapp @inte rsil.co m OBSO LETE PROD UCT CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved |
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