
GENNUM CORPORATION
522 - 45 - 05
28
G
Ah
7-0
DELA/B[7:0]
Audio control packet delay. Designates the audio control packet delay
data as specified in the SMPTE 272M standard. DELA corresponds to
audio channels 1 and 2, while DELB is the corresponds to audio
channels 3 and 4.
“
DELA/B[25]
”
is the MSB and
“
DELA/B[0]
”
is the
LSB.
R
0
Bh
7-0
DELA/B[15:8]
R
0
Ch
7-0
DELA/B[23:16]
R
0
Dh
1-0
DELA/B[25:24]
R
0
2
ACSYNCA/B
Audio control packet synchronization data. Designates the sync mode
bits (asx, asy) as defined in SMPTE 272M (section 14.5) of channels 1/
2 or 3/4 of the audio control packet. The bits are selected by
“
AC34/
12
”
.
R
0
3
ACDLY
Audio control packet delay active. Designates the
‘
e
’
bit of word
“
DELx0
”
of an audio control packet as defined in SMPTE 272 (section
14.7). When HIGH indicates valid audio delay data.
R
0
4
ACT1/2
Active channel 1/2 flag.
R
0
5
ACT3/4
Active channel 3/4 flag.
R
0
6
RSV
Not used.
-
7
AC34/12
Audio control packet channel pair select. When set HIGH, audio
control packet delay data for audio channels 3 and 4 is captured in
registers #Ah, #Bh, #Ch and #Dh. When set LOW, audio control packet
delay data for audio channels 1 and 2 is captured in registers Ah, Bh,
Ch and Dh.
R/W
0
Eh
0
CONPRO1/2
AES/EBU channel 1/2 Consumer/Professional status. See AES-3 1992
standard
R
0
1
AUDMOD1/2
AES/EBU channel 1/2 normal/non-audio status. See AES-3 1992
standard
R
0
4-2
EMPH1/2[2:0]
AES/EBU channel 1/2 emphasis status.
“
EMPH1/2[2]
”
is the MSB and
“
EMP1/2[0]
”
is the LSB. See AES-3 1992 standard
R
0
5
SYNC1/2
AES/EBU channel 1/2 sync status. See AES-3 1992 standard
R
0
7-6
FSEL1/2[1:0]
AES/EBU channel 1/2 frequency select status.
“
FSEL1/2[1]
”
is the
MSB and
“
FSEL1/2[0]
”
is the LSB. See AES-3 1992 standard
R
0
Fh
0
CONPRO3/4
AES/EBU channel 3/4 Consumer/Professional status. See AES-3 1992
standard
R
0
1
AUDMOD3/4
AES/EBU channel 3/4 normal/non-audio status. See AES-3 1992
standard
R
0
4-2
EMPH3/4[2:0]
AES/EBU channel 3/4 emphasis status.
“
EMPH3/4[2]
”
is the MSB and
“
EMP3/4[0]
”
is the LSB. See AES-3 1992 standard
R
0
5
SYNC3/4
AES/EBU channel 3/4 sync status. See AES-3 1992 standard
R
0
7-6
FSEL3/4[1:0]
AES/EBU channel 3/4 frequency select status.
“
FSEL3/4[1]
”
is the
MSB and
“
FSEL3/4[0]
”
is the LSB. See AES-3 1992 standard
R
0
TABLE 15: Demultiplex Mode Host Interface Registers (Continued)
ADDRESS
BIT
NAME
FUNCTION
R/W
DEFAULT