PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 386
![no-image](/images/no-image-200.jpg)
PEF2256
Manufacturer Part Number
PEF2256
Description
E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF2256.pdf
(518 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PEF2256EV2.1ES
Manufacturer:
HARRIS
Quantity:
101
Company:
Part Number:
PEF2256EV2.2
Manufacturer:
INFINEON
Quantity:
513
Company:
Part Number:
PEF2256H
Manufacturer:
infineon
Quantity:
6
Part Number:
PEF2256H V1.2
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
Part Number:
PEF2256HV
Manufacturer:
INF
Quantity:
20 000
Part Number:
PEF2256HV2.1
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
Company:
Part Number:
PEF2256HV2.2
Manufacturer:
INFINEON
Quantity:
672
Part Number:
PEF2256HV2.2
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
- Current page: 386 of 518
- Download datasheet (7Mb)
Line Interface Mode 2 (Read/Write)
Value after reset: 20
LIM2
LBO(2:1)
SLT(1:0)
SCF
User’s Manual
Hardware Description
LBO2
7
Receive Slicer Threshold
Line Build-Out
In long-haul applications a transmit filter can be optionally placed on
the transmit path to attenuate the data on pins XL1/2. Selecting the
transmitter attenuation is possible in steps of 7.5 dB at 772kHz which
is according to FCC68 and ANSI T1.403.
To meet the line build-out defined by ANSI T1.403 registers XPM(2:0)
should be programmed as follows (based on 2
00 =
01 =
10 =
11 =
00 = The receive slicer generates a mark (digital one) if the voltage
01 = The receive slicer generates a mark (digital one) if the voltage
10 = The receive slicer generates a mark (digital one) if the voltage
11 = The receive slicer generates a mark (digital one) if the voltage
Select Corner Frequency of DCO-R
Setting this bit reduces the corner frequency of the DCO-R circuit by
the factor of ten to 0.6 Hz.
Note: Reducing the corner frequency of the DCO-R circuitry
Note: LIM2.SCF is ignored, if CMR2.ECFAR is set.
LBO1
H
at RL1/2 exceeds 55% of the peak amplitude.
at RL1/2 exceeds 67% of the peak amplitude (may be used in
some T1/J1 applications).
at RL1/2 exceeds 50% of the peak amplitude (default,
recommended in T1/J1 mode).
at RL1/2 exceeds 45% of the peak amplitude.
increases the synchronization time before the frequencies are
synchronized.
0.0 dB
7.5 dB
-15 dB
-22.5 dB
SLT1
SLT0
386
XPM(2:0): refer to
XPM(2:0) = 00
XPM(2:0) = 01
XPM(2:0) = 00
SCF
ELT
H
H
H
, 01
, 11
, 01
Table 68
H
H
H
MPAS
, 8C
, 8C
, 07
H
transmit resistors):
H
H
DS1.1, 2003-10-23
T1/J1 Registers
PEF 2256 H/E
on
LOS1
0
page
FALC
377.
(3A)
®
56
Related parts for PEF2256
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![BFP620](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BG3123R](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BG3130](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BG3130R](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BG3230](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BGA428](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![BGA616](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Manufacturer:
Infineon Technologies AG
Datasheet:
![SAB-C167CR-LM](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
16-bit microcontroller with 2x2 KByte RAM
Manufacturer:
Infineon Technologies AG
Datasheet:
![BFP182W](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
NPN silicon RF transistor
Manufacturer:
Infineon Technologies AG
Datasheet:
![BFP193W](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
NPN silicon RF transistor
Manufacturer:
Infineon Technologies AG
Datasheet:
![BFP450](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
NPN silicon RF transistor
Manufacturer:
Infineon Technologies AG
Datasheet:
![BFP520](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
NPN silicon RF transistor
Manufacturer:
Infineon Technologies AG
Datasheet:
![BGA420](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
Si-MMIC-amplifier in SIEGET 25-technologie
Manufacturer:
Infineon Technologies AG
Datasheet:
![BSM20GD60DN2](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
IGBT Power Module
Manufacturer:
Infineon Technologies AG
Datasheet:
![TDA4716C](/images/manufacturer_photos/0/3/328/infineon_technologies_ag_tmb.jpg)
Part Number:
Description:
IC for switching-mode power supplies
Manufacturer:
Infineon Technologies AG
Datasheet: