LF3330 - LOGIC Devices Incorporated

LF3330 Vertical Digital Image Filter

The LF3330 filters digital images in the vertical dimension at real-time video rates. The input and coefficient data are both 12 bits and in two’s complement format. The output is also in two’s complement format and may be rounded to 16 bits. The filter is an 8-tap FIR filter with all required line buffers contained onchip. The line buffers can store video l.

Features

u 83 MHz Data Rate u 12-bit Data and Coefficients u On-board Memory for 256 Coefficient Sets u LF InterfaceTM Allows All 256 Coefficient Sets to be Updated Within Vertical Blanking u Selectable 16-bit Data Output with User-Defined Rounding and Limiting u Seven 3K x 12-bit, Programmable Two-Mode Line Buffers u Separate Input Port for Odd and Even Field Filtering u u u u u u 8 Filter Taps Cascadable for More Filter Taps Supports Interleaved Data Streams 3.3 Volt Power Supply 5 Volt Tolerant I/O 100 Lead PQFP LF3330 BLOCK DIAGRAM 12 DIN11-0 3K LINE BUFFER 8-TAP VERTICAL FILTER 256 COEFFICIENT S.