PEF2256EV22NP Lantiq, PEF2256EV22NP Datasheet - Page 428
PEF2256EV22NP
Manufacturer Part Number
PEF2256EV22NP
Description
Manufacturer
Lantiq
Datasheet
1.PEF2256EV22NP.pdf
(533 pages)
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
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XF(15:0)
Transmit FIFO 3 (Write)
Value after reset: 00
XFIFO3
XFIFO3
XF(15:0)
Time Slot Even/Odd Select (Read/Write)
Value after reset: 00
TSEO
HDLC protocol data can be sent in even, odd or both frames of a multiframe. Even
frames are frame number 2, 4, and so on, odd frames are frame number 1, 3, and so on.
The selection refers to receive and transmit direction as well. Each multiframe starts with
an odd frame and ends with an even frame. By default all frames are used for HDLC
reception and transmission.
Note: The different HDLC channels have to be configured to use different time slots, bit
EO1(1:0)
EO2(1:0)
Data Sheet
positions or frames.
XF15
XF7
7
7
Transmit FIFO - HDLC Channel 2
The function is equivalent to XFIFO.
Transmit FIFO - HDLC Channel 3
The function is equivalent to XFIFO.
Even/Odd frame selection - HDLC Channel 1
Channel 1 HDLC protocol data can be sent in even, odd or both
frames of a multiframe.
00 = Even and odd frames
01 = Odd frames only
10 = Even frames only
11 = Undefined
Even/Odd frame selection - HDLC Channel 2
Channel 2 HDLC protocol data can be sent in even, odd or both
frames of a multiframe.
H
H
EO31
EO30
428
EO21
EO20
EO11
Rev. 1.1, 2005-06-13
T1/J1 Registers
PEF 2256 H/E
EO10
XF0
XF8
0
0
FALC
(9E)
(9F)
(A0)
®
56
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