EL4501IU 데이터 시트보기 (PDF) - Renesas Electronics

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EL4501IU

Video Front End

Renesas Electronics 

EL4501

Pin Descriptions

PIN

NUMBER

PIN NAME

8

FSEL

PIN TYPE

PIN DESCRIPTION

Input

Enable/bypass internal brick wall filter; a logic high is

used to enable the filter; a logic low to disable it

EQUIVALENT CIRCUIT

VD

9

SYNC IN

Input Input to the sync separator; connects to the video

source via a coupling capacitor or to a color burst input

filter

GND

CIRCUIT 6

VD

GND

CIRCUIT 7

10

LOS

Output Loss of signal output; goes high if no input video signal

is detected

VS

GND

CIRCUIT 8

11

COMPOSITE Output Composite sync output

Reference circuit 8

12

HORIZONTAL Output Horizontal sync output

Reference circuit 8

13

VERTICAL

Output Vertical sync output

Reference circuit 8

14

ODD/EVEN Output Odd/even field indicator output

Reference circuit 8

15

BACK PORCH Output Back porch output

Reference circuit 8

16

SLICE MODE Input Low = 50% slicing level; high = 70mV fixed slicing level Reference circuit 8

17

SYNC AMP Output Amplitude of sync tip; can be used to control AGC

circuit

VS

18

VSD

Input Digital power supply; nominally +5V

19

VS

FN7327 Rev 3.00

November 12, 2010

Input Analog power supply; nominally +5V

GND

CIRCUIT 9

VSD

VS

GND

CIRCUIT 10

Reference circuit 10

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