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參數(shù)資料
| 型號(hào)： | LXT350PE |
| 英文描述： | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| 中文描述： | 的PCM收發(fā)器|單|優(yōu)稅PCM-30/E-1 |的CMOS | LDCC | 28腳|塑料 |
| 文件頁(yè)數(shù)： | 9/50頁(yè) |
| 文件大?。?/td> | 1197K |
| 代理商： | LXT350PE |
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T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
—
LXT350
Datasheet
9
1.1
Mode Dependent Signals
As shown in
Figure 2
, the LXT350 has various signal pins that change function (and name)
according to the selected mode(s) of operation. These pins, associated signal names and operating
modes are summarized in
Table 1
and
Table 2
. LXT350 signals are described in
Table 3
.
Table 1. LXT350 Clock and Data Pins by Mode
1
Pin #
External Data Modes
QRSS Modes
Bipolar Mode
Unipolar Mode
Bipolar Mode
Unipolar Mode
PLCC
QFP
1
39
MCLK
2
41
TCLK
3
42
TPOS
TDATA
INSLER
4
43
TNEG
INSBPV
INSBPV
6
3
RNEG
BPV
RNEG
BPV
7
4
RPOS
RDATA
RPOS
RDATA
8
5
RCLK
13
15
TTIP
16
19
TRING
19
24
RTIP
20
25
RRING
1. Data pins change based on whether external data or internal QRSS mode is active. Clock pins remain the same in both
Hardware and Host modes.
Table 2. LXT350 Control Pins by Mode
Pin #
Hardware Modes
Host Modes
Pin #
Hardware Modes
Host Modes
PLCC
QFP
Unipolar/
Bipolar
QRSS
Unipolar/
Bipolar
QRSS
PLCC
QFP
Unipolar/
Bipolar
QRSS
Unipolar/
Bipolar
QRSS
5
2
MODE
MODE
24
32
EC2
SDI
9
7
TRSTE
TRSTE
25
35
EC3
SDO
11
10
JASEL
Low
26
36
RLOOP
CS
12
13
LOS
LOS/
QPD
LOS
LOS/
QPD
27
37
LLOOP
SCLK
23
31
EC1
INT
28
38
TAOS
QRSS
CLKE
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