GS1503-CFZ Gennum Corp., GS1503-CFZ Datasheet - Page 35

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

Table 8: Multiplex Mode Host Interface Registers (Continued)
CONTROL
Audio
ITEM
AUD7/8_DET
AUD5/6_DET
AUD3/4_DET
AUD1/2_DET
HBLK_INS
TRS_INS
AM_SEL
AM[1:0]
LN_INS
NAME
RSV
Horizontal blanking enable. When set HIGH, the
output video horizontal blanking, including TRS,
line numbers and line CRC words, will be set to
040h for the Luma channel and 200h for the
Chroma channel.
NOTE: If blanking of line numbers and TRS words
is required, LN_INS and TRS_INS must be set
LOW.
Line insertion enable. When set HIGH, the
GS1503 will insert line numbers into the video
data stream. When set LOW, existing line
numbers will remain in the output video stream.
TRS insertion enable. When set HIGH, the
GS1503 will insert TRS codes into the video data
stream. When set LOW, existing TRS codes will
remain in the output video stream.
Audio input format (external pin/register)
configuration select. When set LOW, the audio
input format is configured via the AM[1:0] pins.
When set HIGH, the audio input format is
configured via the "AM[1:0]" bits.
Ch7/8 audio input signal detection. When set
HIGH, an audio signal has been detected at the
AIN7/8 input pin.
Ch5/6 audio input signal detection. When set
HIGH, an audio signal has been detected at the
AIN5/6 input pin.
Ch3/4 audio input signal detection. When set
HIGH, an audio signal has been detected at the
AIN3/4 input pin.
Ch1/2 audio input signal detection. When set
HIGH, an audio signal has been detected at the
AIN1/2 input pin.
Not used.
Audio input format select. See Table 3. Valid when
"AM_SEL" is HIGH.
DESCRIPTION
35 of 83
ADDRESS
010
BIT
1-0
2
1
0
7
6
5
4
3
2
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
-
DEFAULT
15879 - 4
0
1
1
0
0
0
0
0
0
0