GS1500 데이터 시트보기 (PDF) - Gennum -> Semtech

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GS1500

HDTV Serial Digital Deformatter with ANC FIFOs

Gennum -> Semtech 

TABLE 3: Source Format Parameters

Reference SMPTE Standard 260M 260M 295M 274M 274M 274M 274M 274M 274M 274M 274M 296M 296M

Format ID

A

B

C

D

E

F

G

H

I

J

K

L

M

Lines/Frame

1125 1125 1250 1125 1125 1125 1125 1125 1125 1125 1125 750 750

Words/Active Line

(each channel Y, Cb/Cr)

1920 1920 1920 1920 1920 1920 1920 1920 1920 1920 1920 1280 1280

Total Active Lines

1035 1035 1080 1080 1080 1080 1080 1080 1080 1080 1080 720 720

Words/Total Line

(each channel Y, Cb/Cr)

2200 2200 2376 2200 2200 2640 2200 2200 2640 2750 2750 1650 1650

Frame Rate (Hz)

30 30/M 25

30 30/M 25

30 30/M 25

24 24/M 60 60/M

Fields /Frame

2

2

2

2

2

2

1

1

1

1

1

1

1

Data Rate Divisor

1

M

1

1

M

1

1

M

1

1

M

1

M

NOTE: M=1.001 in the above table.

TABLE 4: FIFO Status Indicator

FF_STA[2:0]

DESCRIPTION

000

ERROR Flag; FIFO is under run

001

FIFO is empty

010

FIFO is almost empty; <= 32 bytes filled

011

FIFO is ready

100

FIFO is half full

101

FIFO is almost full; >= 992 bytes filled

110

FIFO is full

111

ERROR Flag; FIFO is over run

SYNCHRONIZED TO

R_CLK

R_CLK

R_CLK

-

PCLK_IN

PCLK_IN

PCLK_IN

PCLK_IN

PCLK_IN

DATA_IN

DATA_OUT

DATA

DATA

DATA

DATA

DATA

DATA

tSU

tIH

Fig. 1 Synchronous I/O Timing

tOH

tOD

DATA

11

GENNUM CORPORATION

522 - 33 - 01

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