DESCRIPTION

The LF3310 is a two-dimensional digital image filter capable of filtering data at real-time video rates. The device contains both a horizontal and a vertical filter which may be cascaded or used concurrently for two-dimensional filtering. The input, coefficient, and output data are all 12-bits and in two’s complement format.

FEATURES

❑ 83 MHz Data Rate

❑ 12-bit Data and Coefficients

❑ On-board Memory for 256 Horizontal and Vertical Coefficient Sets

❑ LF InterfaceTM Allows All 512 Coefficient Sets to be Updated Within Vertical Blanking

❑ Selectable 12-bit Data Output with User-Defined Rounding and Limiting

❑ Seven 3K x 12-bit, Programmable Two-Mode Line Buffers

❑ 16 Horizontal Filter Taps

❑ 8 Vertical Filter Taps

❑ Two Operating Modes: Dimensionally Separate and Orthogonal

❑ Supports Interleaved Data Streams

❑ Horizontal Filter Supports Decimation up to 16:1 for Increasing Number of Filter Taps

❑ 3.3 Volt Power Supply

❑ 5 Volt Tolerant I/O

❑ 144 Lead PQFP