GS1503B Gennum Corporation, GS1503B Datasheet - Page 65

• Manufacturer Part Number: GS1503B
• Description: Hd Embedded Audio Codec
• Manufacturer: Gennum Corporation

Table 5-17: Register Settings
5.6.6 Audio Data Packet Error Detection
Name
ECCB_ERR
ECCA_ERR
CORRECTB[11:0]
NO_CORRECTB[11:0]
CORRECTA[11:0]
NO_CORRECTA[11:0]
ECCB_ON
ECCA_ON
Description
Ch5-8 Audio data packet ECC error detection
(1: Detection)
Ch1-4 Audio data packet ECC error detection
(1: Detection)
Ch5-8 correctable packets in one video frame
Ch5-8 un-correctable packets in one video frame
Ch1-4 correctable packets in one video frame
Ch5-8 un-correctable packets in one video frame
Ch5-8 Audio data packet error correction (1: ON)
Ch1-4 Audio data packet error correction (1: ON)
When the 1-255 count sequence in the Data Block Number (DBN) word of audio
data packets with audio group DID set in DATAIDA[1:0] is discontinuous, the
DBNA_ERR bit 3 of Host Interface register 015h will be set HIGH. When the1-255
count sequence in the DBN word of audio data packets with audio group DID set
in DATAIDB[1:0] is discontinuous, the DBNB_ERR bit 7 of Host Interface register
015h will be set HIGH.
The GS1503B will check the parity (bit 8) for the CLK, CH1-4 and ECC0-5 words
in the embedded audio data packets. When a parity bit error is detected in audio
data packets with audio group DID set in DATAIDA[1:0], the ADPB8A_ERR bit 2
of Host Interface register 015h will be set HIGH. When a parity bit error is detected
in audio data packets with audio group DID set in DATAIDB[1:0], the
ADPB8B_ERR bit 6 of Host Interface register 015h will be set HIGH.
The GS1503B will re-calculate the audio data packets Checksum and compare
against the embedded Checksum word. When a Checksum error is detected in
audio data packets with audio group DID set in DATAIDA[1:0], the ADPCSA_ERR
bit 0 of Host Interface register 015h will be set HIGH. When a Checksum error is
detected in audio data packets with audio group DID set in DATAIDB[1:0], the
ADPCSB_ERR bit 4 of Host Interface register 015h will be set HIGH.
When any of the above errors are detected, the ERROR external pin will also be
set HIGH.
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Address
01C
01A
01B
01D
015
015
016
017
018
019
013
013
August 2006
Bit
3-0
7-0
3-0
7-0
3-0
7-0
3-0
7-0
5
1
1
0
GS1503B Data Sheet
Setting
–
–
–
–
–
–
1
1
Default
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0
0
0
0
0
0
1
1