參數(shù)資料
型號: MT9075AP
廠商: Mitel Networks Corporation
英文描述: E1 Single Chip Transceiver
中文描述: 素E1單芯片收發(fā)器
文件頁數(shù): 49/78頁
文件大?。?/td> 1008K
代理商: MT9075AP
Preliminary Information
MT9075A
4-177
Bit
Name
Functional Description
7
PRBSO
PRBS Error Counter Overflow.
This bit is set to one when the
PRBS Error Counter (page 04H
address 10H) overflows. It is
cleared when this register is read.
6
FEBEO
E Bit Counter Overflow.
This bit is
set to one when the E bit Counter
(page 04H, address 13H & 14H)
overflows. It is cleared when this
register is read.
5
JFO
Jitter Attenuator FIFO Counter
Overflow.
This bit is set to one
when the Jitter Attenuator FIFO
Counter (page 04H, address 15H)
overflows. It is cleared when this
register is read.
4
LBO
Lost
Synchronization
Overflow.
This bit is set to one
when the Loss of Basic Frame
Synchronization Counter (page 04H
address 17H) overflows. It is
cleared when this register is read.
of
Basic
Frame
Counter
3
BERO
Bit Error Rate Counter Overflow.
This bit is set to one when the Bit
Error Rate Counter (page 04H,
address 18H) overflows. It is
cleared when this register is read.
2
EFO
Errored Frame Alignment Signal
Counter Overflow.
This bit is set to
one when the Errored Frame
Alignment Signal Counter (page
04H, address 1AH) overflows. It is
cleared when this register is read.
1
BPVO
Bipolar
Overflow.
This bit is set high when
the Bipolar Violation Counter (page
04H,
address
overflows. It is cleared when this
register is read.
Violation
Counter
1CH
&
1DH)
0
CCO
CRC Error Counter Overflow.
This
bit is set high when the CRC Error
Counter (page 04H, address 1EH &
1FH) overflows. It is cleared when
this register is read.
Table 52 - Overflow Reporting Latch
(Page 04H, Address 16H)
Bit
Name
Functional Description
7 - 0
LBF7
-
LBF0
Loss
Synchronization Counter.
This
eight bit counter will be incremented
once for every 125 microsecond
period
in
which
synchronization is lost. It will be
cleared
by
a
synchronization to loss of basic
frame
synchronization
transition.
of
Basic
Frame
basic
frame
basic
frame
state
Table 53 - Loss of Basic Synchronization Counter
(Page 04H, Address 17H)
Bit
Name
Functional Description
7 - 0
BR7
-
BR0
Bit Error Rate Counter.
An eight
bit counter that contains the total
number of errors in the frame
alignment signal.
Table 54 - Bit Error Rate Counter
(Page 04H, Address 18H)
Bit
Name
Functional Description
7 - 2
---
Unused
1
RCRC1
RAI and Continuous CRC Error
bit 1.
This bit goes high when
received A (RAI) bits were high and
receive
E
bits
continuously, for more than 10
milliseconds, but less than 450
milliseconds. This bit is cleared
when read.
were
low,
0
RCRC0
RAI and Continuous CRC Error
Bit 0.
This bit goes high when
received A (RAI) bits are high and
receive E bits are low, continuously,
for more than 10 milliseconds.
Table 55 - RAI With CRC Error Word
(Page 04H, Address 19H)
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