AK2546 Datasheet, PDF (20/27 Pages) Asahi Kasei Microsystems – 7 channel T1 Transceiver

ASAHI KASEI
[AK2546]
OUTPUT CONTROL
*: don’t care
LOS: LOSx output and LOSx register
Reset, Loss of MCLK, Power down
RESET MCLK
PD
Loopback
POLN RDEN TCLK Receive TTIP RCLK RPOS
Local Remote
signal TRING
RNEG
LOS
0
*
*
*
*
*
*
*
*
0(Note 1)
0
0
1
1
loss
*
*
*
1
*
*
*
0
0
0
1
1
loss
*
*
*
0
*
*
*
0
0
1
1
1
clocked 1
*
*
1
*
*
*
0(Note 1)
0
0
1
1
clocked 1
*
*
0
*
*
*
0(Note 1)
0
1
1
Normal Operation(RESET=1, MCLK: Clocked, PD=0)
Loopback
Local Remote
POLN
RDEN
TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
0
0
1
*
clocked
in
TPOS
RCLK
RTIP
0
TNEG
RRING
0
0
1
0
clocked
loss
TPOS
0
0
1
TNEG
0
0
1
*
loss
in
0
RCLK
RTIP
0
RRING
0
0
1
0
loss
loss
0
0
0
1
0
0
1
1
clocked
loss
TPOS
RCLK
RTIP
1
TNEG
RRING
0
0
1
1
loss
loss
0
RCLK
RTIP
1
RRING
0
0
0
*
clocked
in
TPOS
RCLK
RTIP
0
TNEG
RRING
0
0
0
0
clocked
loss
TPOS
0
1
1
TNEG
0
0
0
*
loss
in
0
RCLK
RTIP
0
RRING
0
0
0
0
loss
loss
0
0
1
1
0
0
0
1
clocked
loss
TPOS
RCLK
RTIP
1
TNEG
RRING
0
0
0
1
loss
loss
0
RCLK
RTIP
1
RRING
C0019-E-01
20
1999/9