參數(shù)資料
型號(hào): SAA6752HS
廠商: NXP Semiconductors N.V.
英文描述: MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer
中文描述: MPEG - 2視頻和MPEG-audio/AC-3音頻編碼器與復(fù)用器
文件頁(yè)數(shù): 36/71頁(yè)
文件大?。?/td> 2570K
代理商: SAA6752HS
2004 Jan 26
36
Philips Semiconductors
Product specification
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
SAA6752HS
Table 11
Interrupt status definition
STATUS
WORD BIT
EXCEPTION CONDITION
RESPONSE IF EXCEPTION IS DETECTED
0
1
video copyright violation
input video signal not detected or lost
SAA6752HS continues encoding; note 1.
SAA6752HS continues encoding but outputs audio ES
packets only; SAA6752HS will resynchronize if video
input is recommenced; notes 2 to 4.
SAA6752HS continues but frames may be lost during
the event.
2
when a difference between the V-sync period
in I
2
C-bus settings and in the video input signal
is detected
Clock mode 2 out of range
3
If enabled, the SAA6752HS PLL will auto-switch to
Clock mode 1 or 3 as programmed.
Stream output stops or corrupted data will be
delivered; reset or forced reconfigure needed to
recover.
Ratio between number of generated audio frames and
number of generated video frames is not nominal; time
stamps remain correct; note 5.
SAA6752HS continues encoding but will not include
audio packets.
4
output buffer overflow (due to loss of data read
command)
5
video and audio frames out of alignment
6
input audio not DVD-compliant (to IEC 61937)
incorrect Preamble Pc
sampling frequency out of range
bit rate out of range
audio format change detected in DVD bypass
mode
audio pause burst detected
SAA6752HS mode transition complete;
desired operation mode has been reached
if external user data insertion in mode ‘only
once’ is active: insertion of user data has
been finished and the host can send new
user data
illegal I
2
C-bus command
I
2
C-bus command not recognized
command in invalid mode
command parameter error
general error
7
SAA6752HS continues encoding but will not include
audio packets.
SAA6752HS continues operation.
SAA6752HS continues operation.
8
9
10
SAA6752HS ignores the I
2
C-bus command.
11
SAA6752HS will go to Idle mode if time-out is enabled
or stop operating if time-out is disabled; in case of the
later a forced reconfigure is recommended.
SAA6752HS continues encoding but outputs video ES
packets only; transition to STOP needed to recover.
12
input audio word select signal not detected or
audio stream stopped after exception status
bit 4, 6, 7 or 8
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