參數(shù)資料
型號(hào)： 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(yè)數(shù)： 21/66頁(yè)
文件大小： 441K
代理商： ZR38650
21
ZR38650
MPEG Status Reply
MPEGSTATR
This reply is a response to the STAT command during the
MPEG function operation.
PNG Status Reply
PNGSTATR
This reply is a response to the STAT command during operation
of the PNG function.
Version Number Reply
VERR
The VERR reply is a response to the VER command. It is four
data words of the version number of the ROM resident executive
transferred by using four READ commands.
Set I/O Register Reply
SETIOR
The SETIOR reply is a response to the SETIO command. It is
two data words with the most recent contents of the GPIO and
GPIOC registers.
PLLCFG Reply
PLLR
The PLLR reply is a response to a READ following the PLLCFG
command. Returns one byte indicating the status of PLL locking.
Data Memory Reply
PEEKR
The PEEKR reply is a response to the PEEK command. It is N
data words with the contents of the specified ZR38650 memory
locations that is transferred by 4N READ commands.
MPGST
MPEG-1 Decode Status
returned by routine: 0 = No
errors, 1 = Invalid frame sync, 2 = CRC error, 3 = Invalid
sample rate, 4 = Invalid data rate, 5 = Input underflow.
ID
Algorithm ID
: 0 = Reserved, 1 = MPEG.
LAY
Layer
type: 0 = Reserved, 1 = Layer III, 2 = Layer II, 3 =
Layer I.
PRT
Protection
bit: 0 = CRC word present, 1 = No CRC word.
BR
Bit-Rate
index (see ISO-MPEG document CD 11172-3,
part 3).
SFR
Sampling Frequency
: 0 = 44.1 kHz, 1 = 48 kHz, 2 = 32
kHz.
PAD
Padding
bit.
PRV
Private
bit.
MODE
Encoding Mode:
0 = Stereo, 1 = Joint-stereo, 2 = Dual
channel, 3 = Single channel.
MEXT
Mode Extension
(see ISO-MPEG document).
CPR
Copyright
: 0 = None, 1 = Copyrighted.
ORG
Original
/home: 0 = Copy, 1 = Original.
EMPH
Emphasis
: 0 = None, 1 = 50/15 μs, 2 = Reserved, 3 =
CCITT J.17.
VERSION
Version number of the Pink Noise functions.
0
1
2
3
4
5
6
7
Status Word 1
Status Word 6
Status Word 7
Status Word 8
Status Word 9
Status Word 4
Status Word 2
Status Word 3
Status Word 5
Status Words 10-12
07
STATUS
RST
MPGST
0
0
0
DIFT [15:8]
DIFT [7:0]
0
PRT
ID
LAY
BR
PVR
SFR
PAD
EMPH
ORG
CRP
MEXT
MODE
0
0
1
2
3
4
5
6
7
Status Word 1
Status Word 8
Status Words 3-6
Status Word 2
Status Word 7
03
STATUS
RST
0
0
VERSION
0
PA
PLL for Audio
: 0 = Not locked, 1 = Locked.
PD
PLL for DSP
core: 0 = Not locked, 1 = Locked.
0
1
2
3
4
5
6
7
ROM Version Number [31:24]
ROM Version Number [23:16]
ROM Version Number [15:8]
ROM Version Number [7:0]
Data Word 0
Data Word 2
Data Word 3
Data Word 1
0
1
2
3
4
5
6
7
Status Word 1
Status Word 2
GPIOC Register
0
0
GPIO Register
0
1
2
3
4
5
6
7
PD
0
PA
Status Word 1
0
1
2
3
4
5
6
7
Memory Data Word 0 [31:24]
Memory Data Word N-1 [7:0]
Data Word 0
Data Word N-1
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