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參數(shù)資料
| 型號： | ZR38650 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PROGRAMMABLE DIGITAL AUDIO PROCESSOR |
| 中文描述： | 可編程數(shù)字音頻處理器 |
| 文件頁數(shù)： | 16/66頁 |
| 文件大?。?/td> | 441K |
| 代理商： | ZR38650 |
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16
ZR38650
Operation Commands
Resume Operation
PLAY
The PLAY command resumes operation of the selected function
and unmutes the output after a STOP or STOPF command.
Mute Operation
MUTE
The MUTE command mutes the output without stopping the
operation of the selected function.
Unmute Operation
UNMUTE
The UNMUTE command restores the muted output while con-
tinuing the operation of the selected function.
Stop Operation
STOP
The STOP command stops operation of the selected function if
the input is request driven and it mutes the output. Data in the
input buffer is preserved but new data is ignored.
Stop Operation and Flush
STOPF
The STOPF command stops operation of the selected function
if the input is request driven and it mutes the output. Data in the
input buffer is flushed out and new data is ignored.
Return Status Information
STAT
During operation, the STAT command allows the N words of
decoder status information to be returned to the host by sending
N READ commands.
Return S/PDIF Status Information
SPDIFSTAT
The SPDIFSTAT command allows the S/PDIF receiver channel
status information and SPRXSTT register value to be returned to
the Host by sending four READ commands.
Return PTC Information
GETPTC
The GETPTC command allows the PTC and STC (Presentation
and System Time Clock) values be returned to the Host by
sending eight READ commands.
No Operation
NOP
A NOP is not a command and does not affect operation except
to cause the ZR38650 to return a response word to the host.
Set-Up Commands
PLL Table
PLLTAB
The PLLTAB command sets the PLL programmable registers.
The audio clock frequency is:
where
In master mode, the audio clock generates the serial port clocks,
including the S/PDIF transmitter clock.
The DSP clock is:
where
0
1
2
3
4
5
6
7
0
1
0
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
1
1
0
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
1
0
0
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
0
0
1
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
1
0
1
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
0
1
1
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
1
1
1
1
0
0
0
1
Command
0
1
2
3
4
5
6
7
0
1
0
0
1
0
0
1
Command
0
1
2
3
4
5
6
7
0
0
0
0
0
0
0
1
Command
0
1
2
3
4
5
6
7
0
0
0
1
1
0
0
1
AUDD [7:0]
AUDM [7:0]
DSPM
DSPD
0
AUDD [12:8]
0
AUDM [12:8]
0
Parameter 4
Parameter 5
Parameter 6
Parameter 3
Parameter 1
Parameter 2
Command
fAUD
IO
fXTI
AUDD
×
=
AUDD
f
-------kHz
<
fDSP
fXTI
DSPD
×
=
DSPD
f
1MHz
<
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