參數資料
型號: GS1582-IBE3
廠商: Gennum Corporation
英文描述: IC,MOT,MC145026P, DIP-16, ENCODER 9 LINE SIMPLEX
中文描述: 多速率的電纜驅動器,音頻多路復用器和ClockCleaner⑩串行
文件頁數: 37/114頁
文件大小: 1224K
代理商: GS1582-IBE3
GS1582 Data Sheet
40117 - 1 November 2007
37 of 114
Audio embedding may be disabled for each group independently using the pins
GRP1_EN/DIS and GRP2_EN/DIS.
NOTE: Disabling a single group does not reduce the power consumption of the
GS1582, however disabling both groups results in a power reduction.
Figure 4-10: Audio Multiplexer Top Level
4.7.2 Audio Detection
The audio multiplexer detects the presence of audio data and control packets in
any of four embedded audio groups. The presence of audio data is indicated by the
ADPGx_DET bits in the host interface, while the presence of control packets is
indicated by the ACPGx_DET bits in the host interface. In SD mode, the presence
of extended audio data packets is indicated by the AXPGx_DET bits in the host
interface.
These detection flags are asserted for the duration that audio data packets are
detected.
For SD formats, the first Ancillary Data Flag (ADF) must always be contiguous after
the EAV words. For HD formats, the first Ancillary Data Flag must always be
contiguous after the two EAV CRC words. By default, the device will delete all
incoming ancillary data with audio data or control packet DID's.
Refer to
Section 4.13.3
for HD and SD audio multiplexer status and configuration
registers.
SD and HD
Audio Embedding Block
PCLK
10
GRP1_EN/DIS
ACLK1
WCLK1
Ain_1/2
Ain_3/4
GRP2_
ACLK2
WCLK2
Ain_5/6
Ain_7/8
10
AUDIO_INT
RESET
_
Configuration & status register read / write access
AUDIO_INS
(From IOPROC_DIS regsiter )
IOPROC_EN/DIS
SD/HD
LOCKED
EN/DIS
_
_
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