GS2970A datasheet(77/150 Pages) SEMTECH

Part #	GS2970A

Description	3Gb/s, HD, SD SDI Receiver Complete with SMPTE Audio and Video Processing

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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77 / 150 page

GS2970A 3Gb/s, HD, SD SDI Receiver

Data Sheet

54244 - 2

September 2012

77 of 150

Figure 4-32:Ancillary Data Extraction - Step B

To read the new data, toggle the ANC_DATA_SWITCH bit LOW. The old data in Bank A

is cleared to zero and extraction continues in Bank B (see Figure 4-33: Ancillary Data

Extraction - Step C).

ANCDATA

0

1023

Application Layer

Read Pointer

Internal Write

Pointer

Bank A

ANC_DATA_SWITCH= HIGH

0

1023

Bank B

800h

BFFh

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