GS1503B Gennum Corporation, GS1503B Datasheet - Page 63

• Manufacturer Part Number: GS1503B
• Description: Hd Embedded Audio Codec
• Manufacturer: Gennum Corporation

5.6.3 Audio Clock Phase Locked Loop
Y/C b / C r [19:0]
Figure 5-9
AES/EBU and serial audio output modes. The GS1503B will internally synchronize
the audio output to the corresponding ACLK. This configuration is not required
when DEC_MODE is set HIGH.
Figure 5-9: Block Diagram of GS1503B Audio Clock PLL
Proprietary and Confidential
VIN[19:0]
ACLKA
ACLKB
GS1503B
shows the configuration for deriving the 6.144MHz audio clock in
PLLCNTB
PLLCNTA
AOUT1/2
AOUT3/4
AOUT5/6
AOUT7/8
6.144MHz (128 fs)
6.144MHz (128 fs)
37953 - 0
Audio Channels 1 & 2
Audio Channels 3 & 4
Audio Channels 5 & 6
Audio Channels 7 & 8
Pass
Filter
Pass
Filter
Low
Low
August 2006
24.576MHz
24.576MHz
VCXO
VCXO
GS1503B Data Sheet
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