參數(shù)資料
型號(hào)： GS9023-CFY
廠商： Electronic Theatre Controls, Inc.
英文描述： Aluminum Electrolytic Radial Leaded Bi-Polar Capacitor; Capacitance: 100uF; Voltage: 63V; Case Size: 12.5x20 mm; Packaging: Bulk
中文描述： 嵌入式音頻編解碼器
文件頁數(shù)： 26/33頁
文件大?。?/td> 301K
代理商： GS9023-CFY
GENNUM CORPORATION
522 - 45 - 05
26
G
TABLE 15: Demultiplex Mode Host Interface Registers
ADDRESS
BIT
NAME
FUNCTION
R/W
DEFAULT
0h
2-0
VMOD[2:0]
Video standard selection. See Table 1 Valid when
“
VSEL
”
is HIGH.
Used in conjunction with
“
D2_TRS
”
.
“
VMOD[2]
”
is the MSB and
“
VMOD[0]
”
is the LSB.
R/W
0
3
LOCK
Lock indicator. Same functionality as the LOCK pin. When set HIGH,
the video standard has been identified, the
‘
lock
’
process selected by
“
ACTSEL
”
has been validated and the device is ready to demultiplex
audio. See
“
ACTSEL
”
description
R
0
4
ADEL
Ancillary data delete. Same functionality as the ANCI pin. When set
HIGH, each ancillary data packet with a DID corresponding to either
the audio packet DID, the extended audio packet DID or the arbitrary
packet DID is removed from the video signal. When the
“
ADEL
”
bit is
LOW, all ancillary data packets remain in the video signal. Valid only
when
“
VSEL
”
is HIGH.
R/W
0
5
VXST
Video signal detection flag. Set HIGH when the video signal
corresponds to standard selected on the VM[2:0] and TRS pins or with
the
“
VMOD[2:0]
”
and
“
D2_TRS
”
bits.
R
0
6
D2_TRS
TRS select. Same functionality as the TRS pin. Used to select video
standard format. When set HIGH, TRS is removed from a composite
video signal. Valid only when
“
VSEL
”
is HIGH. Used in conjunction with
“
VMOD[2:0]
”
.
R/W
0
7
VSEL
Video input format (external pin/internal register) configuration select.
When set LOW, the video input format is configured via the VM[2:0]
and TRS pins. When set HIGH, the video input format is configured via
the
“
VMOD[2:0]
”
and
“
D2_TRS
”
bits.
R/W
0
1h
3-0
CHACT(4-1)
Active audio channel flags. When set HIGH, the corresponding audio
packets have been detected on the active video line. When set LOW,
no corresponding audio packets have been detected on the active
video line. The flags are updated on every video line.
R
0
4
ACON
Audio Control packet flag. When set HIGH, the audio control packet
has been detected in the video signal.
R
0
5
EDHON
EDH flag. When set HIGH, EDH data has been detected in the video
signal.
R
0
6
A4ON
Extended audio packet flag. When set HIGH, the extended audio
packet has been detected on the active video line (24 bit audio).
When set LOW, no extended audio packet has been detected on the
active video line (24 bit audio).
R
0
7
RSV
Not used.
-
2h
7-0
RSV
Not used.
-
3h
3-0
AD20ID[3:0]
Designates the 4 LSBs of the audio data packet DID word. The 6
MSBs are internally generated.
“
AD20ID[3]
”
is the MSB and
“
AD20ID[0]
”
is the LSB.
R/W
Fh
7-4
AD4ID[3:0]
Designates the 4 LSBs of the extended audio data packet DID word.
The 6 MSBs are internally generated.
“
AD4ID[3]
”
is the MSB and
“
AD4ID[0]
”
is the LSB.
R/W
Eh
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