參數(shù)資料
型號(hào)： S3067
廠商： Applied Micro Circuits Corp.
英文描述： Multirate SONET/SDH/ATM Transceiver with FEC(帶正向糾錯(cuò)功能的多速率SONET/SDH/ATM收發(fā)器)
中文描述： 多速率的SONET / SDH / ATM的收發(fā)器與前向糾錯(cuò)（帶正向糾錯(cuò)功能的多速率的SONET / SDH / ATM的收發(fā)器）
文件頁數(shù)： 3/27頁
文件大?。?/td> 246K
代理商： S3067
3
S3067
MULTIRATE (OC-48/24/12/3/GBE) SONET/SDH/ATM TRANSCEIVER WITH FEC
October 26, 2000 / Revision A
S3067 OVERVIEW
The S3067 transceiver implements SONET/SDH
and WDM serialization/deserialization, and transmis-
sion functions. The block diagram in Figure 4 shows
the basic operation of the chip. This chip can be
used to implement the front end of WDM equipment,
which consists primarily of the serial transmit inter-
face and the serial receive interface. The chip
handles all the functions of these two elements, in-
cluding parallel-to-serial and serial-to-parallel
conversion, clock generation, and system timing.
The system timing circuitry consists of management
of the data stream and clock distribution throughout
the front end.
S3067 has ability to bypass the internal VCO with an
external source and also with the receive clock. The
device generates 14/15, 15/14, 16/17 and 17/16
clocks based upon the received clock and an exter-
nal clock to incorporate the FEC capability. The
dividers support the first two rates shown in Table 4.
The S3067 is divided into a transmitter section and a
receiver section. The sequence of operations is as
follows:
0
L
E
S
E
T
A
R
1
L
E
S
E
T
A
R
e
d
o
M
g
n
r
e
p
O
0
0
3
C
O
0
1
2
1
C
O
1
0
E
B
G
/
2
C
O
1
1
8
4
C
O
Table 2. Data Rate Select
Transmitter Operations:
1. 16-bit parallel input
2. Parallel-to-serial conversion
3. Serial output
Receiver Operations:
1. Serial input
2. Serial-to-parallel conversion
3. 16-bit parallel output
Internal clocking and control functions are transpar-
ent to the user.
S3067 Supports six different code rates, besides the
normal rate, for each of the four operating modes.
y
a
p
a
C
g
n
e
r
o
C
r
o
r
E
g
n
w
o
o
n
&
s
h
a
d
s
p
r
e
R
E
h
t
w
e
d
e
d
d
w
o
c
o
C
d
n
o
t
e
u
d
B
n
S
x
o
a
B
F
k
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H
c
o
(
6
t
u
p
1
M
n
T
d
S
e
s
/
a
4
S
e
r
c
n
r
f
o
o
f
e
m
n
e
u
a
x
q
E
e
M
T
S
y
c
r
k
c
o
e
b
5
2
r
p
s
e
b
8
e
s
a
e
n
%
4
1
=
8
3
2
5
2
3
6
6
1
=
4
1
1
*
2
5
5
1
=
8
3
2
5
2
*
2
5
5
1
k
c
o
e
b
5
2
r
p
s
e
b
7
e
s
a
e
n
%
5
2
=
0
4
2
5
2
4
2
6
1
=
6
1
1
*
2
5
5
1
=
0
4
2
5
2
*
2
5
5
1
k
c
o
e
b
5
2
r
p
s
e
b
6
e
s
a
e
n
%
7
3
=
2
4
2
5
2
7
8
6
1
=
2
4
2
5
2
*
2
5
5
1
k
c
o
e
b
5
2
r
p
s
e
b
5
e
s
a
e
n
%
1
5
=
4
4
2
5
2
3
5
6
1
=
4
4
2
5
2
*
2
5
5
1
k
c
o
e
b
5
2
r
p
s
e
b
4
e
s
a
e
n
%
6
6
=
6
4
2
5
2
1
2
6
1
=
2
8
8
*
2
5
5
1
=
6
4
2
5
2
*
2
5
5
1
k
c
o
e
b
5
2
r
p
s
e
b
3
e
s
a
e
n
%
2
8
=
8
4
2
5
2
1
9
5
1
=
8
4
2
5
2
*
2
5
5
1
Table 4. FEC Modes
Table 3. FEC Select
0
C
E
F
1
2
O
C
V
d
D
1
r
e
K
r
e
L
C
S
d
D
1
R
0
0
1
7
6
1
0
1
6
1
7
1
0
1
1
5
1
4
1
1
1
1
4
1
5
1
0
0
0
7
1
X
1
0
0
6
1
X
0
1
0
5
1
X
1
1
0
4
1
X
C
C
M
A
6
7
0
3
S
e
c
e
D
y
v
o
c
e
R
k
c
o
C
8
4
C
O
C
C
M
A
2
6
0
3
S
r
o
M
e
c
n
a
m
r
P
8
4
C
O
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