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PEF3452 датащи(PDF) 21 Page - Infineon Technologies AG

номер детали PEF3452
подробное описание детали  Line Interface Unit for DS3, STS 1 and E3
PDF  71 Pages
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производитель  INFINEON [Infineon Technologies AG]
домашняя страница  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

PEF3452 датащи(HTML) 21 Page - Infineon Technologies AG

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PEF 3452
TE3-LIU V1.3
Pin Descriptions
Preliminary Data Sheet
11
2001-12-05
PRELIMINARY
Table 2
Control Pin Functions
Pin No.
Symbol
Input (I)
Output (O)
Supply (S)
Function
33
RES
I
Hardware Reset
A low signal at this pin forces the device
into reset state.
23
CS
I + PU
Chip Select
0 = hardware control signals are switched
through
1 = hardware control signals are ignored
5DS3/E3
I + PU
DS3/STS-1 or E3 Select
Primary mode selection. This signal has to
be stable during reset and may not change
afterwards. It must not be connected to a
µPbus.
0 = E3
1 = DS3 or STS-1 (see DS3/STS-1)
4DS3/STS-1
I + PU
DS3 or STS-1 Select
Primary mode selection. This signal has to
be stable during reset and may not change
afterwards. It must not be connected to a
µPbus.
0 = STS-1
1 = DS3
13
LCODE
I + PU
Line Code Select
for receive and transmit direction
E3:
0 = AMI
1 = HDB3
DS3/STS-1:
0 = AMI
1 = B3ZS
16
XAIS
I + PU
Transmit Alarm Indication
0 = no AIS
1 = AIS all-ones insertion



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