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參數(shù)資料
| 型號(hào)： | AM79Q031 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Quad Subscriber Line Audio-Processing Circuit (QSLAC) Devices |
| 中文描述： | 四用戶線路音頻處理電路（QSLAC）設(shè)備 |
| 文件頁(yè)數(shù)： | 40/68頁(yè) |
| 文件大小： | 1361K |
| 代理商： | AM79Q031 |
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40
Am79Q02/021/031 Data Sheet
4.
No Operation
(06h)
MPI Command
5.
Activate Channel (Operational Mode)
(0Eh)
MPI Command
This command places the device in the Active mode and sets CSTAT = 1. No valid PCM data
is transmitted until after the second FS pulse is received following the execution of the Activate
command.
6, 7.Write/Read Transmit Time Slot and PCM Highway Selection
(40/41h)
R/W = 0: Write
MPI Command
R/W = 1: Read
Transmit PCM Highway
TPCM = 0*
TPCM = 1
Transmit on Highway A (see TAB in Commands 10, 11)
Transmit on Highway B (see TAB in Commands 10, 11)
Transmit Time Slot
TTS = 0
–
127
Time Slot Number (TTS0 is LSB, TTS6 is MSB)
PCM Highway B is not available on the Am79Q021/031 QSLAC devices.
* Power Up and Hardware Reset (
RST
) Value = 00h, 01h, 02h, 03h for Channels 1, 2, 3, and 4,
respectively.
8, 9.Write/Read Receive Time Slot and PCM Highway Selection
(42/43h)
R/W = 0: Write
MPI Command
R/W = 1: Read
Receive PCM Highway
RPCM = 0*
RPCM = 1
Receive on Highway A
Receive on Highway B
Receive Time Slot
RTS = 0
–
127
Time Slot Number (RTS0 is LSB, RTS6 is MSB)
PCM Highway B is not available on the Am79Q021 and the Am79Q031 QSLAC devices.
* Power Up and Hardware Reset (
RST
) Value = 00h, 01h, 02h, 03h for Channels 1, 2, 3, and 4,
respectively.
D
7
0
D
6
0
D
5
0
D
4
0
D
3
0
D
2
1
D
1
1
D
0
0
Command
D
7
0
D
6
0
D
5
0
D
4
0
D
3
1
D
2
1
D
1
1
D
0
0
Command
D
7
0
D
6
1
D
5
0
D
4
0
D
3
0
D
2
0
D
1
0
D
0
R/W
TTS0
Command
I/O Data
TPCM
TTS6
TTS5
TTS4
TTS3
TTS2
TTS1
D
7
0
D
6
1
D
5
0
D
4
0
D
3
0
D
2
0
D
1
1
D
0
R/W
RTS0
Command
I/O Data
RPCM
RTS6
RTS5
RTS4
RTS3
RTS2
RTS1
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