PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 267
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PEF2256
Manufacturer Part Number
PEF2256
Description
E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF2256.pdf
(518 pages)
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System Interface Control 3 (Read/Write)
Value after reset: 00
SIC3
CASMF
RTRI
FSCT
User’s Manual
Hardware Description
CASMF
7
quarter or one eighth of the time slot. Data is not repeated. The time
while data is active during a 8
phase. RDO/RSIG are cleared (driven to low level) while XDI/XSIG
are ignored for the remaining time of the 8
remaining channel phases. The channel phases are selectable with
these bits.
000 = Data active in channel phase 1, valid if system data rate is
001 = Data active in channel phase 2, valid if system data rate is
010 =Data active in channel phase 3, valid if data rate is 16/8 Mbit/s
011 = Data active in channel phase 4, valid if data rate is 16/8 Mbit/s
100 = Data active in channel phase 5, valid if data rate is 16 Mbit/s
101 = Data active in channel phase 6, valid if data rate is 16 Mbit/s
110 = Data active in channel phase 7, valid if data rate is 16 Mbit/s
111 = Data active in channel phase 8, valid if data rate is 16 Mbit/s
CAS Multiframe Begin Marker
0 =
1 =
RDO/RSIG Tri-state Mode
0
1
SEC/FSC Tri-state Mode
0
1
H
16/8/4 Mbit/s
16/8/4 Mbit/s
The time slot 0 multiframe begin is asserted on pin RP(A to
D)/pin function RMFB.
The time slot 16 CAS multiframe begin is asserted on pin RP(A
to D)/pin function RMFB.
During incative channel phases, RDO and RSIG are switched
to low output level.
During incative channel phases, RDO and RSIG are switched
into tri-state mode.
Normal operation.
SEC/FSC output is switched into tri-state mode.
RTRI
FSCT
267
RESX
488 ns time slot is called a channel
RESR
TTRF
488 ns or for the
DS1.1, 2003-10-23
PEF 2256 H/E
DAF
E1 Registers
0
FALC
(40)
®
56
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