PEF2256EV22NP Lantiq, PEF2256EV22NP Datasheet - Page 91

• Manufacturer Part Number: PEF2256EV22NP
• Manufacturer: Lantiq

Specifications of PEF2256EV22NP

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Supplier Unconfirmed

6.2.2
The framing structure is defined by the contents of time slot 0 (refer to
Table 19
Bit
AlternateNumber
Frames
Frame Containing the
Frame Alignment Signal
Frame not Containing the
Frame Alignment Signal
or
Service Word
1)
2)
3)
4)
Data Sheet
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
91
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
Rev. 1.1, 2005-06-13
Table
PEF 2256 H/E
7
1
S
a7
FALC
19).
a
8
1
S
4 to 8 is
a8
®
56