AK2540 Datasheet, PDF (26/33 Pages) Asahi Kasei Microsystems – Quad T1 Transceiver

ASAHI KASEI
[AK2540]
OUTPUT CONTROL
* : don’t care
LOS: LOSx output and LOSx register
Reset, Loss of MCLK, Power down (Host Mode)
RESET MCLK PD
Loopback
POL RDEN CLKE
Local Remote
1
*
*
*
*
*
*
*
0
loss
*
*
*
1
*
*
0
loss
*
*
*
0
*
*
0
clocked 1
*
*
1
0
*
0
clocked 1
*
*
1
1
0
0
clocked 1
*
*
1
1
1
0
clocked 1
*
*
0
0
*
0
clocked 1
*
*
0
1
0
0
clocked 1
*
*
0
1
1
TTIP
TRING
High-Z(Note1)
0
0
High-Z(Note1)
High-Z(Note1)
High-Z(Note1)
High-Z(Note1)
High-Z(Note1)
High-Z(Note1)
RCLK
0
0
0
0
0
1
0
0
1
RPOS
RNEG
0
0
1
0
0
0
1
1
1
LOS
1
1
1
1
1
1
1
1
1
DFM
0
0
0
0
0
0
0
0
0
Reset, Loss of MCLK (Hardware Mode)
RESET MCLK
Loopback
CLKE
Local Remote
TTIP
TRING
RCLK
RPOS
RNEG
LOS
DFM
1
*
*
*
*
0
0
0
0
loss
*
*
*
0
0
0
In Hardware Mode, POL is fixed to ”1” and RDEN is fixed to ”0”.
1
0
1
0
MS0012-E-00
26
2000/1