參數(shù)資料
型號(hào)： GS1503-CFZ
廠商： Gennum Corporation
元件分類(lèi)： Codec
英文描述： HD EMBEDDED AUDIO CODEC
中文描述： 高清嵌入式音頻編解碼
文件頁(yè)數(shù)： 49/83頁(yè)
文件大小： 815K
代理商： GS1503-CFZ
15879 - 4
49 of 83
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2.6.2.2 Serial Audio Output Modes
A 6.144MHz (128fs) audio clock must be supplied to the
ACLKA and ACLKB inputs. An audio word clock at 48kHz
(fs) will be output at the WCOUTA and WCOUTB external
pins, as shown in Figure 38.
The user can access the Audio Channel Status Block
information via the AUDIO_CS[183:0] bits in Host Interface
registers 058h to 06Eh. To read the Audio Channel Status
information, the CS_MODE bit 3 of Host Interface register
06Fh should be set HIGH. The embedded audio channel
from which the Channel Status information is to be
extracted is set in the CH_SEL[2:0] bits 2-0 of Host
Interface register 06Fh. The CH_SEL[2:0] setting for audio
channel 1 is 000b, through to 111b for channel 8.
The CS_RQST bit must be set HIGH to begin the process of
extracting the Audio Channel Status information. Once
extracted, the GS1503 will set CS_WEND bit HIGH and the
user can access the data for Host Interface registers 058h
to 06Eh.
When DEC_MODE (external pin or register setting) is set
LOW, the audio word clock inputs WCINB and WCINB
should be grounded.
Fig. 38 Serial Audio Output Configuration and Timing
Y/Cb/Cr[19:0]
VIN[19:0]
AOUT5/6
GS1503
AOUT1/2
AOUT3/4
AOUT7/8
ACLKA
ACLKB
Audio Channels 1 & 2
Audio Channels 3 & 4
Audio Channels 5 & 6
Audio Channels 7 & 8
6.144MHz (128 fs)
6.144MHz (128 fs)
ACLKA/B
AOUT1/2, AOUT3/4
AOUT5/6, AOUT7/8
64 CLKs
48kHz (fs)
48kHz (fs)
WCOUTA
WCOUTB
WCOUTA/B
64 CLKs
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