參數(shù)資料
型號(hào): GS1503-CFZ
廠商: Gennum Corporation
元件分類: 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): 22/83頁(yè)
文件大?。?/td> 815K
代理商: GS1503-CFZ
15879 - 4
22 of 83
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1.6.2.2 Serial Audio Input Modes
A 6.144MHz (128fs) audio clock must be supplied to the
ACLKA and ACLKB inputs. The GS1503 divides this clock
by 2 to clock the 3.072MHz audio data. An audio word
clock at 48kHz (fs) must also be supplied to the WCINA
and WCINB inputs, as shown in Figure 21. The
AUDIO_CS[183:0] bits in Host Interface registers 058h to
06Eh can be used to enter the 23 8-bit bytes of the Audio
Channel Status Block, as defined in AES3-1992. NOTE: The
CRC byte is generated internally by the GS1503. The
GS1503 will default to Professional audio mode with 24-bit
word length and emphasis off.
See Table 9
.
Fig. 21 Serial Audio Input Configuration and Timing
Y/Cb/Cr[19:0]
VIN[19:0]
AIN5/6
GS1503
AIN1/2
AIN3/4
AIN7/8
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
AIN1/2, AIN3/4
AIN5/6, AIN7/8
64 CLKs
48kHz (fs)
48kHz (fs)
WCINA
WCINB
WCINA/B
64 CLKs
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