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LF3330 Datasheet(PDF) 4 Page - LOGIC Devices Incorporated |
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LF3330 Datasheet(HTML) 4 Page - LOGIC Devices Incorporated |
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4 / 15 page  DEVICES INCORPORATED LF3330 Vertical Digital Image Filter 4 Video Imaging Products 11/08/2001–LDS.3330-M ACC — Accumulator Control When ACC is HIGH, the accumulator is enabled for accumulation and the accumulator output register is disabled for loading. When ACC is LOW, no accumulation is performed and the accumulator output register is enabled for loading. ACC is latched on the rising edge of CLK. SHEN — Shift Enable SHEN enables or disables the loading of data into the input/ cascade registers and the line buffers. When SHEN is LOW, data is loaded into the input/cascade registers and shifted through the line buffers on the rising edge of CLK. When SHEN is HIGH, data can not be loaded into the input/ cascade registers or shifted through the line buffers and their contents will not be changed. RSL3-0 — Round/Select/Limit Control RSL3-0 determines which of the sixteen user-programmable round/ select/limit registers are used in the round/select/limit circuitry. A value of 0 on RSL3-0 selects round/ select/limit register 0. A value of 1 selects round/select/limit register 1 and so on. RSL3-0 is latched on the rising edge of CLK (see the round, select, and limit sections for a complete discussion). OED — DOUT Output Enable When OED is LOW, DOUT15-0 is enabled for output. When OED is HIGH, DOUT15-0 is placed in a high-impedance state. OEC — COUT Output Enable When OEC is LOW, COUT15-0 is enabled for output. When OEC is HIGH, COUT15-0 is placed in a high- impedance state. BITS FUNCTION DESCRIPTION 0 Limit Enable 0 : Limiting Disabled 1 : Limiting Enabled 11-1 Reserved Must be set to “0” TABLE 4. CONFIGURATION REGISTER 2 – ADDRESS 202H BITS FUNCTION DESCRIPTION 0 Cascade Mode 0 : First Device 1 : Cascaded Device 11-1 Reserved Must be set to “0” TABLE 5. CONFIGURATION REGISTER 3 – ADDRESS 203H BITS FUNCTION DESCRIPTION 11-0 Line Buffer Length See Line Buffer Description Section TABLE 2. CONFIGURATION REGISTER 0 – ADDRESS 200H BITS FUNCTION DESCRIPTION 0 Line Buffer Mode 0 : Delay Mode 1 : Recirculate Mode 1 Line Buffer Load 0 : Normal Load 1 : Parallel Load 2 Odd and Even Field 0 : VB Port Disabled Filtering Port Enable 1 : VB Port Enabled 3 Odd and Even Field 0 : VB Line Buffer Disabled Filtering Line Buffer Enable 1 : VB Line Buffer Enabled 11-4 Reserved Must be set to “0” TABLE 3. CONFIGURATION REGISTER 1 – ADDRESS 201H FIGURE 4. RSL CIRCUITRY 32 32 4 RSL3-0 RND LIMIT 32 16 16 RSL CIRCUITRY DATA IN 32 DATA OUT 5 SELECT |
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Similar Description - LF3330 |
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