LF3320QC12 datasheet, PDF - EEWORLD Datasheet

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LF3320QC12: DescriptionHorizontal Digital Image Filter; CategoryThe embedded processor and controller Microcontrollers and processors; File Size582KB，24 Pages; ManufacturerLOGIC Devices; Websitehttp://www.logicdevices.com/

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LF3320QC12 Overview

Horizontal Digital Image Filter

LF3320QC12 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	LOGIC Devices
Parts packaging code	QFP
package instruction	QFP, QFP144,1.2SQ
Contacts	144
Reach Compliance Code	compli
ECCN code	3A001.A.3
boundary scan	NO
maximum clock frequency	83 MHz
External data bus width	12
JESD-30 code	S-PQFP-G144
JESD-609 code	e0
length	28 mm
low power mode	NO
Humidity sensitivity level	3
Number of terminals	144
Maximum operating temperature	70 °C
Minimum operating temperature
Output data bus width	16
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	QFP144,1.2SQ
Package shape	SQUARE
Package form	FLATPACK
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3 V
Certification status	Not Qualified
Maximum seat height	4.0995 mm
Maximum slew rate	190 mA
Maximum supply voltage	3.6 V
Minimum supply voltage	3 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	28 mm
uPs/uCs/peripheral integrated circuit type	DSP PERIPHERAL, DIGITAL FILTER

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LF3320

DEVICES INCORPORATED

Horizontal Digital Image Filter

LF3320

DEVICES INCORPORATED

Horizontal Digital Image Filter

DESCRIPTION

The

LF3320

filters digital images in the

horizontal 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 LF3320 is designed to take

advantage of symmetric coefficient

sets. When symmetric coefficient sets

are used, the device can be configured

as a single 32-tap FIR filter or as two

separate 16-tap FIR filters.

When asymmetric coefficient sets are

used, the device can be configured as a

single 16-tap FIR filter or as two

separate 8-tap FIR filters. Multiple

LF3320s can be cascaded to create

larger filters.

Interleave/Decimation Registers (I/D

Registers) allow interleaved data to be

fed directly into the device and filtered

without separating the data into

individual data streams.

The LF3320 can handle a maximum of

sixteen data sets interleaved together.

The I/D Registers and on-chip accu-

mulators facilitate using decimation to

increase the number of filter taps.

Decimation of up to 16:1 is supported.

The LF3320 contains enough on-board

memory to store 256 coefficient sets.

Two separate LF Interfaces

allow all

256 coefficient sets to be updated within

vertical blanking.

FEATURES

❑

83 MHz Data Rate

❑

12-bit Data or Coefficients (Expand-

able to 24-bit)

❑

32-Tap FIR Filter, Cascadable for

More Filter Taps

❑

Over 49 K-bits of on-board Memory

❑

LF Interface

Allows All 256

Coefficient Sets to be Updated

Within Vertical Blanking

❑

Various Operating Modes: Dual

Filter, Single Filter, Double Wide

Data or Coefficient, Matrix Multipli-

cation, and Accumulator Access.

❑

Selectable 16-bit Data Output with

User-Defined Rounding and Limiting

❑

Supports Interleaved Data Streams

❑

Supports Decimation up to 16:1 for

Increasing Number of Filter Taps

❑

3.3 Volt Supply

❑

144 Lead PQFP

LF3320 B

LOCK

IAGRAM

ROUT

11-0

RIN

11-0

DIN

11-0

CAA

7-0

CENA

CFA

11-0

PAUSEA

LDA

INTERLEAVE / DECIMATION

REGISTERS

COUT

11-0

CAB

7-0

CENB

256

COEFFICIENT

SET

STORAGE

16-TAP

FILTER A

16-TAP

FILTER B

256

COEFFICIENT

SET

STORAGE

CFB

11-0

PAUSEB

LDB

ROUND

SELECT

LIMIT

CIRCUITRY

CLK

OED

DOUT

15-0

Video Imaging Products

2-1

08/16/2000–LDS.3320-N

LF3320QC12 Related Products

	LF3320QC12	LF3320	LF3320QC15
Description	Horizontal Digital Image Filter	Horizontal Digital Image Filter	Horizontal Digital Image Filter

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