ak2548 AKM Semiconductor, Inc., ak2548 Datasheet - Page 21

• Manufacturer Part Number: ak2548
• Description: 7 Channel E1 Transceiver - Asahi Kasei Microsystems
• Manufacturer: AKM Semiconductor, Inc.

RESET
ASAHI KASEI
Reset, Loss of MCLK, Power down
Normal Operation(RESET=1, MCLK:clocked, PD=0)
C0028-E-00
OUTPUT CONTROL
0
1
1
1
1
TAOS
0
0
0
0
0
0
0
0
0
0
0
0
clocked
clocked
MCLK
loss
loss
*
* : don’t care
LOS: LOSx output and LOSx register
Local
0
0
0
0
0
0
0
0
0
0
0
0
PD
Loopback
1
1
*
*
*
TAOS
Remote
*
*
*
*
*
0
0
0
0
0
0
0
0
0
0
0
0
Local
*
*
*
*
*
Loopback
POLN
1
1
1
1
1
1
0
0
0
0
0
0
Remote
*
*
*
*
*
RDEN
*
0
*
0
1
1
*
0
*
0
1
1
POLN
*
1
0
1
0
Clocked
Clocked
Clocked
Clocked
Clocked
clocked
TCLK
Loss
Loss
Loss
Loss
Loss
loss
RDEN
21
*
*
*
*
*
TCLK
Receive
signal
*
*
*
*
*
loss
loss
loss
loss
loss
loss
loss
loss
in
in
in
in
Receive
Signal
*
*
*
*
*
TRING
TNEG
TNEG
TNEG
TNEG
TNEG
TNEG
TPOS
TPOS
TPOS
TPOS
TPOS
TPOS
TTIP
0
0
0
0
0
0
TRING
TTIP
0
0
0
0
0
0RCLK
RCLK
RCLK
RCLK
RCLK
RCLK
RCLK
RCLK
RCLK
0
0
0
0
RCLK
0
0
0
0
0
RRING
RRING
RRING
RRING
RRING
RRING
RRING
RRING
RNEG
RPOS
RTIP
RTIP
RTIP
RTIP
RTIP
RTIP
RTIP
RTIP
0
0
1
1
RPOS
RNEG
0
0
1
0
1
[AK2548]
1999/9
LOS
LOS
0
1
0
1
1
1
0
1
0
1
1
1
1
1
1
1
1