參數(shù)資料
型號(hào): IDT82V2081PP
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 46/68頁
文件大?。?/td> 0K
描述: IC LIU T1/J1/E1 1CH 44-TQFP
標(biāo)準(zhǔn)包裝: 80
類型: 線路接口裝置(LIU)
規(guī)程: T1/E1/J1
電源電壓: 3.13 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-TQFP(10x10)
包裝: 托盤
其它名稱: 800-1997-5
82V2081PP
IDT82V2081PP-ND
50
INDUSTRIAL
TEMPERATURE RANGES
SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
5
HARDWARE CONTROL PIN SUMMARY
Table-53 Hardware Control Pin Summary
Pin No.
TQFP
Symbol
Description
17
16
MODE1
MODE0
MODE[1:0]: Operation mode of control interface select
00= Hardware interface
01= Serial interface
10= Parallel – multiplexed – Motorola Interface
11= Parallel – multiplexed – Intel Interface
23
TERM
TERM: Termination interface select
This pin selects internal or external impedance matching for both receiver and transmitter
0= ternary interface with external impedance matching network. External impedance matching is not supported in T1/J1 transmit
line interface.
1= ternary interface with internal impedance matching network
21
20
RXTXM1
RXTXM0
RXTXM[1:0]: Receive and transmit path operation mode select
00= single rail with HDB3/B8ZS coding
01= single rail with AMI coding
10= dual rail interface with CDR enable
11= slicer mode
33
32
31
30
PULS3
PULS2
PULS1
PULS0
PULS[3:0]: These pins are used to select the following functions:
T1/E1/J1 mode
Transmit pulse template
Internal termination impedance (75
/100/110/120)
PULS[3:0]
T1/E1/J1
TCLK
Cable impedance
(internal matching
impedance)
Cable range or
LBO
Cable loss
0000
E1
2.048 MHz
75
-0-43 dB
0001
E1
2.048 MHz
120
-0-43 dB
0010
DSX1
1.544 MHz
100
0-133 ft
0-0.6 dB
0011
DSX1
1.544 MHz
100
133-266 ft
0.6-1.2 dB
0100
DSX1
1.544 MHz
100
266-399 ft
1.2-1.8 dB
0101
DSX1
1.544 MHz
100
399-533 ft
1.8-2.4 dB
0110
DSX1
1.544 MHz
100
533-655 ft
2.4-3.0 dB
0111
J1
1.544 MHz
110
0-655 ft
0-3.0 dB
1000
DS1
1.544 MHz
100
0 dB LBO
0-36 dB
1001
DS1
1.544 MHz
100
-7.5 dB LBO
0-28.5 dB
1010
DS1
1.544 MHz
100
-15.0 dB LBO
0-21 dB
1011
DS1
1.544 MHz
100
-22.5 dB LBO
0-13.5 dB
1100 - 1111
DS1
1.544 MHz
100
-
0-13.5 dB
29
EQ
EQ: Receive equalizer on/off
When the chip is configured by hardware, this pin selects Short Haul or Long Haul operation mode
0= short haul (10 dB)
1= long haul (36 dB for T1/J1, 43 dB for E1)
28
RPD
RPD: Receiver power down control
0= Normal operation
1= receiver power down
27
26
PATT1
PATT0
PATT[1:0]: Transmit test pattern select
In hardware control mode, these pins select the transmit pattern
00 = normal
01= All Ones
10= PRBS
11= transmitter power down
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