参数资料
型号: LXT331QH
英文描述: LINE INTERFACE|CMOS|QFP|44PIN|PLASTIC
中文描述: 线路接口|的CMOS | QFP封装| 44PIN |塑料
文件页数: 9/32页
文件大小: 395K
代理商: LXT331QH
Dual T1/E1 Line Interface Unit
LXT331
Datasheet
9
39
33
SDI
DI
Serial Data Input
(Host mode)
.
Write data to the LXT331 registers are input on this
pin. SDI is sampled on the rising edge of SCLK.
ALOOP1
DI
Analog Local Loopback Enable, Port 1
(Hardware mode)
.
Refer to pin ALOOP0.
40
41
34
35
PMRK1
NMRK1
DO
DO
Receive Negative and Positive Marks, Port 1
. Refer to PMRK0 and NMRK0 pins.
42
43
36
37
TNEG1
TPOS1
DI
DI
Transmit Negative and Positive Data, Port 1
. Refer to TNEG0 and TPOS0 pins.
44
38
TCLK1
DI
Transmit Clock, Port 1
. Refer to TCLK0 pin.
Table 1. Pin Descriptions (Continued)
Pin
PLCC
Pin
QFP
Symbol
I/O
1
Description
1. DI = Digital Input; DO = Digital Output; DI/O = Digital Input/Output; AI = Analog Input; AO = Analog Output; S = Power
Supply
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