PEF2256EV22NP Lantiq, PEF2256EV22NP Datasheet - Page 402

• 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

System Interface Control 3(Read/Write)
Value after reset: 00
SIC3
CMI
RTRI
FSCT
RESX
Data Sheet
CMI
7
100 =
101 =
110 =
111 =
Select CMI Precoding
Only valid if CMI code (FMR0.XC(1:0) = 01) is selected. This bit
defines
the CMI precoding and influences transmit and receive data.
0 =
1 =
RDO/RSIG Tri-state Mode
0
1
SEC/FSC Tri-state Mode
0
1
Rising Edge Synchronous Pulse Transmit
Depending on this bit all transmit system interface data and marker
are clocked or sampled with the selected active edge.
CMR2.IXSC = 0:
Note:Before local loop is closed, B8ZS precoding has to be switched
H
off.
CMI with B8ZS precoding
CMI without B8ZS precoding
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.
Data active in channel phase 5, valid if data rate is 16 or
12 Mbit/s
Data active in channel phase 6, valid if data rate is 16 or
12 Mbit/s
Data active in channel phase 7, valid if data rate is 16 or
12 Mbit/s
Data active in channel phase 8, valid if data rate is 16 or
12 Mbit/s
RTRI
FSCT
402
RESX
RESR
TTRF
Rev. 1.1, 2005-06-13
T1/J1 Registers
PEF 2256 H/E
DAF
0
FALC
(40)
®
56