參數(shù)資料
型號(hào): AK2548A
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 24/31頁
文件大小: 171K
代理商: AK2548A
ASAHI K ASEI [AK2548A]
MS0021-E-00 2000/7
24
Remote Loopback mode (AISLOS=1)
(LOSAIS=1,RESET=1, MCLK: clocked, PD=0,TAOS=0, LLOOP=0,RLOOP=1
POLN
RDEN
TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
1
*
*
in
RTIP
RRING
RTIP
RRING
RTIP
RRING
RCLK
RTIP
RRING
RTIP
RRING
All Mark
Note7)
0
0
*
*
in
RCLK
0
*
*
*
loss
RCLK
Note7)
1
Note6) If TAOS is set to high, the output of TTIP/TRING are set to All Mark.
Note7) RCLK,RPOS,RNEG are synchronized with MCLK.
Local Loopback mode
(,RESET=1, MCLK: clocked, PD=0,TAOS=0, LLOOP=1,RLOOP=0
POLN
RDEN
TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
1
*
clocked
in
TPOS
TNEG
TPOS
TNEG
0
0
TPOS
TNEG
TPOS
TNEG
0
0
TCLK
Note8
TPOS
TNEG
TPOS
TNEG
0
0
TPOS
TNEG
TPOS
TNEG
1
1
0
1
*
clocked
loss
TCLK
Note8
1
1
1
0
*
*
*
loss
loss
clocked
in
loss
in
0
0
0
1
0
TCLK
Note8
0
*
clocked
loss
TCLK
Note8
1
0
0
*
*
loss
loss
in
loss
0
0
0
1
Note8) The phase of TCLK is meet to the output timing.
Note9) If TAOS is set to high, the output of TTIP/TRING are set to All Mark.
Note10) LOSAIS is ignored in local loopback mode.
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