pef2256e Infineon Technologies Corporation, pef2256e Datasheet - Page 83
pef2256e
Manufacturer Part Number
pef2256e
Description
E1/t1/j1 Framer And Line Interface Component For Long- And Short-haul Applications
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF2256E.pdf
(518 pages)
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4.2.2
The framing structure is defined by the contents of time slot 0 (refer to
Table 17
Bit
AlternateNumber
Frames
Frame Containing the
Frame Alignment Signal
Frame not Containing the
Frame Alignment Signal
or
Service Word
1)
2)
3)
4)
User’s Manual
Hardware Description
S
information trough bits RSW.RSI and RSP.RSIF. Transmission is enabled by bits XSW.XSIS and XSP.XSIF.
Fixed to "1". Used for synchronization.
Remote alarm indication: In undisturbed operation "0"; in alarm condition "1".
S
trough bits RSW.RY0…4. Transmission is enabled by bits XSW.XY0…4. HDLC signaling in bits S
selectable. As a special extension for double frame format, the S
used optionally.
i
a
-bits: reserved for international use. If not used, these bits should be fixed to "1". Access to received
-bits: Reserved for national use. If not used, they should be fixed at "1". Access to received information
Doubleframe Format (E1)
Allocation of Bits 1 to 8 of Time Slot 0 (E1)
1
S
Note
S
Note
i
i
1)
1)
2
0
Frame Alignment Signal
1
Note
2)
3
0
A
Note
83
3)
4
1
S
Note
a4
a
4)
-bit registers RSA4 to 8/XSA4 to 8 can be
5
1
S
Functional Description E1
a5
6
0
S
a6
DS1.1, 2003-10-23
Table
PEF 2256 H/E
7
1
S
a7
FALC
17).
a
8
1
S
4 to 8 is
a8
®
56
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