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參數(shù)資料
| 型號(hào)： | AM79Q02JC |
| 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)： | 46/68頁(yè) |
| 文件大?。?/td> | 1361K |
| 代理商： | AM79Q02JC |
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46
Am79Q02/021/031 Data Sheet
26, 27. Write/Read Interrupt Mask Register
(6C/6Dh)
R/W = 0: Write
R/W = 1: Read
MPI Command
Mask CD Interrupt
MCDxy = 0
MCDxy = 1*
x
y
Masked: A change does not cause the Interrupt Pin to go Low.
This command does not depend on the state of the Channel Enable Register.
* Power Up and Hardware Reset (
RST
) Value = FFh.
28, 29. Write/Read Operating Conditions
(70/71h)
R/W = 0: Write
R/W = 1: Read
CDxy bit is NOT MASKED
CDxy bit is MASKED
Bit number (A or B)
Channel number (1 through 4)
MPI Command
Cutoff Transmit Path
CTP = 0*
CTP = 1
Transmit path connected
Transmit path cut off
Cutoff Receive Path
CRP = 0*
CRP = 1
Receive path connected
Receive path cutoff (see note)
High Pass Filter
HPF = 0*
HPF = 1
Transmit Highpass filter enabled
Transmit Highpass filter disabled
Lower Receive Gain
RG = 0*
RG = 1
6 dB loss not inserted
6 dB loss inserted
Arm Transmit Interrupt
ATI = 0*
ATI = 1
Interface Loopback
ILB = 0*
ILB = 1
Full Digital Loopback
FDL = 0*
FDL = 1
1 kHz Receive Tone
TON = 0*
TON = 1
* Power Up and Hardware Reset (
RST
) Value = 00h.
The B Filter is disabled during receive cutoff.
Transmit Interrupt not Armed
Transmit Interrupt Armed
TSA loopback disabled
TSA loopback enabled
Full digital loopback disabled
Full digital loopback enabled
1 kHz receive tone off
1 kHz receive tone on
D
7
0
D
6
1
D
5
1
D
4
0
D
3
1
D
2
1
D
1
0
D
0
R/W
MCDA1
Command
I/O Data
MCDB4
MCDA4
MCDB3
MCDA3
MCDB2
MCDA2
MCDB1
D
7
0
CTP
D
6
1
CRP
D
5
1
HPF
D
4
1
RG
D
3
0
ATI
D
2
0
ILB
D
1
0
FDL
D
0
R/W
TON
Command
I/O Data
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