GS1503-CFZ Gennum Corp., GS1503-CFZ Datasheet - Page 64

• Manufacturer Part Number: GS1503-CFZ
• Description: HD EMBEDDED AUDIO CODEC
• Manufacturer: Gennum Corp.

Table 14: Demultiplex Mode Host Interface Registers (Continued)
CONTROL
ITEM
DATAIDB[1:0]
DATAIDA[1:0]
CASCADE
AMUTEB
AMUTEA
NAME
RSV
Cascade select. When set HIGH, the GS1503 will
default to audio groups 3 and 4. When set LOW, the
GS1503 will default to audio groups 1 and 2.
NOTE: The status of the CASCADE external pin is
not updated in this register. The value programmed
in this register is logical OR'd with the CASCADE
external pin setting.
Not used.
Ch5-8 audio mute enable. When set HIGH, the
multiplexed audio packets for audio channels 5 to 8
are forced to zero.
NOTE: The status of the MUTE external pin is not
updated in this register. The value programmed in
this register is logical OR'd with the MUTE external
pin setting.
Ch1-4 audio mute enable. When set HIGH, the
multiplexed audio packets for audio channels 1 to 4
are forced to zero.
NOTE: The status of the MUTE external pin is not
updated in this register. The value programmed in
this register is logical OR'd with the MUTE external
pin setting.
Ch5-8 audio group DID setting. Designates the
audio group DID for audio channels 5 to 8. See
Table 12. When CASCADE (external pin or register)
is set LOW, the default setting is audio group 2.
When CASCADE is set HIGH, the default setting is
audio group 4.
Ch1-4 audio group DID setting. Designates the
audio group DID for audio channels 1 to 4. See
Table 12. When CASCADE (external pin or register)
is set LOW, the default setting is audio group 1.
When CASCADE is set HIGH, the default setting is
audio group 3.
DESCRIPTION
64 of 83
ADDRESS
014
BIT
3-2
1-0
7
6
5
4
R/W
R/W
R/W
R/W
R/W
R/W
-
DEFAULT
15879 - 4
10b
11b
0
0
0
0