GS2970A Datasheet, PDF (78/150 Pages) Gennum Corporation – Integrated audio clock generator

Bank A
0
Application Layer
Read Pointer
800h
0
Internal Write
Pointer
Bank B
ANC DATA
ANC DATA
ANC DATA
ANC DATA
ANC DATA
ANC DATA
ANC DATA
800h
1023
BFFh
1023
BFFh
ANC_DATA_SWITCH = LOW
Figure 4-33:Ancillary Data Extraction - Step C
If the ANC_DATA_SWITCH bit is not toggled, extracted data is written into Bank B until
full. To continue extraction in Bank A, the ANC_DATA_SWITCH bit must be toggled
HIGH (see Figure 4-34: Ancillary Data Extraction - Step D).
GS2970A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54244 - 2
September 2012
78 of 150