Datasheet > HSP48212

HSP48212

更新时间： 2024-02-18 00:14:38

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
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9页	61K
描述
Digital Video Mixer

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数据手册

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HSP48212 数据手册

HSP48212

Data Sheet

May 1999

File Number 3627.2

Digital Video Mixer

Features

The Intersil HSP48212 is a 68 pin Digital Video Mixer IC

intended for use in multimedia and medical imaging

applications.

• 12-Bit Pixel Data

• Two’s Complement or Unsigned Data

• 12-Bit Mix Factor

The HSP48212 allows the user to mix two video sources

based on a programmable weighting factor. After weighting

the input data signals, the Video Mixer simply adds the two

weighted signals mathematically. This results in the mixed

output, which is a weighted sum of the two sources.

• 13-Bit Signed or Unsigned Three State Output

• Overﬂow Detection and Output Saturation

• Rounding to 8, 10, 12, or 13-Bits

• Input and Output Pixel Data Synchronous to Clock

The input and output interfaces are synchronous with respect

to the input clock, simplifying the user interface requirements.

• Programmable Pipeline Delay of up to 7 Clock Cycles for

Control of Misaligned Input Data

Input Data (DINA, DINB), Mix Factor (M) and control signals

(RND, TCB) may be delayed relative to each other in order to

compensate for any misalignment that may have occurred

prior to entering the HSP48212. Each input’s delay may be

independently programmed up to seven clock cycles.

• TTL Compatible Inputs/Outputs

• DC to 40MHz Clock Rate

Applications

The output data may be rounded to 8, 10, 12, or 13-bits. The

enabling of data onto the output data bus is under the user’s

control via an output enable signal (OE).

• Video Summing (Frame Addition)

• Video Mixing

• Fade In/Out

Ordering Information

• Video Switching

TEMP.

• High Speed Multiplying

PART NUMBER RANGE ( C)

PACKAGE

64 Ld MQFP

68 Ld PLCC

PKG. NO.

Q64.14x14

N68.95

HSP48212VC-40

HSP48212JC-40

0 to 70

Block Diagram

DELAY

0-7

TCB

DELAY

0-7

DELAY

0-7

RND0-1

DINB0-11

1-M

SHIFT

LEFT

DELAY

0-7

DOUT0-12

DELAY

0-7

DINA0-11

DOUT = 2 x [DINA x M + DINB x (1-M)]

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

12 3 4 5 6 7...9

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