PEF 22508 E V1.1-G Infineon Technologies, PEF 22508 E V1.1-G Datasheet - Page 141

• Manufacturer Part Number: PEF 22508 E V1.1-G
• Description: IC INTERFACE E1/T1/J1 LBGA-256
• Manufacturer: Infineon Technologies
• Series: OctalLIU™r

Specifications of PEF 22508 E V1.1-G

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 8
• Voltage - Supply: 1.8V, 3.3V
• Current - Supply: 370mA
• Power (watts): 140mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 256-LSBGA
• Includes: Automatic Protection Switching, Clock Generation, Power-Down, Transmit Line Monitor, Tristate Function
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: PEF22508EV1.1T; PEF22508EV11GXP; SP000029953

Version Status Register
VSTR
Version Status Register
Field
VSTR
Receive Equalizer Status
RES
Receive Equalizer Status
Field
EV
RES
Data Sheet
Bits
7:0
Bits
7:6
4:0
Type
r
Type
r
r
Description
Version Number of Chip
The value is ´20
Description
Equalizer Status Valid
These bits informs the user about the current state of the receive
equalization network.
00
01
10
11
Receive Equalizer Status
The current line attenuation status in steps of about 1.7 dB for E1 and 1.4
dB for T1/J1 mode are displayed in these bits. Only valid if bits EV(1:0) =
´01
amplitude variations.
00000
...
11001
B
B
B
B
B
b
´. Accuracy: ± 2 digits, based on temperature influence and noise
, Equalizer status not valid, still adapting
, Equalizer status valid
, Equalizer status not valid
, Equalizer status valid but high noise floor
B
B
, Minimum attenuation: 0 dB
,
, Maximum attenuation: -43 dB (E1), -36 dB (T1/J1)
Offset
004A
Offset
xx4B
141
H
´.
H
H
Register DescriptionVersion Status Register
Rev. 1.0, 2005-06-02
PEF 22508 E
OctalLIU
Reset Value
Reset Value
00
TM
H
H