參數(shù)資料
型號: AK2540
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Quad T1 Transceiver
中文描述: 的4 T1收發(fā)器
文件頁數(shù): 30/33頁
文件大?。?/td> 159K
代理商: AK2540
ASAHI K ASEI [AK2540]
MS0012-E-00 2000/1
30
Local Loopback: Transmit all space
(RESET=0, AIS=1, AIS1SEL=0, MCLK:clocked, PD=0, LLOOP=1, RLOOP=0)
POL
RDEN
TCLK
Receive
signal
TRING
TTIP
RCLK
RPOS
RNEG
LOS
DFM
1
*
clocked
clocked
0
TCLK
(Note4)
TCLK
(Note4)
0/1
(Note3)
0/1
(Note3)
TPOS
TNEG
TPOS
TNEG
0
0
0
1
*
clocked
loss
0
1
0
1
*
loss
clocked
0
0
0
1
*
loss
loss
0
0
1
0
0
*
clocked
clocked
0
TCLK
(Note4)
TCLK
(Note4)
0/1
(Note3)
0/1
(Note3)
TPOS
TNEG
TPOS
TNEG
1
0
0
0
*
clocked
loss
0
1
0
0
*
loss
clocked
0
0
0
0
*
loss
loss
0
1
1
0
Local Loopback: Transmit all mark
(RESET=0, AIS=1, AIS1SEL=1, MCLK:clocked, PD=0, LLOOP=1, RLOOP=0)
POL
RDEN
TCLK
Receive
signal
TRING
TTIP
RCLK
RPOS
RNEG
LOS
DFM
1
*
clocked
clocked
All Mark
TCLK
(Note4)
TCLK
(Note4)
0/1
(Note3)
0/1
(Note3)
TPOS
TNEG
TPOS
TNEG
0
0
active
1
*
clocked
loss
All Mark
1
active
1
*
loss
clocked
All Mark
(Note2)
All Mark
(Note2)
0
active
1
*
loss
loss
0
1
active
0
*
clocked
clocked
All Mark
TCLK
(Note4)
TCLK
(Note4)
0/1
(Note3)
0/1
(Note3)
TPOS
TNEG
TPOS
TNEG
1
0
active
0
*
clocked
loss
All Mark
1
active
0
*
loss
clocked
All Mark
(Note2)
All Mark
(Note2)
0
active
0
*
loss
loss
1
1
active
Note1) The impedance between TTIP and TRING is 30kohm(typ)
Note2) Transmit signal synchronize with MCLK
Note3) When CLKE is “1”, RCLK is fixed to “1”.
Note4) The phase of the TCLK satisfy receive output timing.
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