PEF82902FV11XP Lantiq, PEF82902FV11XP Datasheet - Page 168

• Manufacturer Part Number: PEF82902FV11XP
• Manufacturer: Lantiq

Specifications of PEF82902FV11XP

• Lead Free Status / Rohs Status: Supplier Unconfirmed

UCIW
Reset value: 01
4.9.4
The Loop register controls local digital loopbacks of the U-transceiver.
LOOP
Reset value: 08
TRANS
U/IOM
Data Sheet
®
7
0
7
0
LOOP - Loopback Register
Transparent/ Non-Transparent Loopback
In transparent mode data is both passed on and looped back, whereas in
non-transparent mode data is not forwarded but substituted by 1s (idle
code) and just looped back
0 =
1 =
Close LBBD, LB2, LB1 towards U or towards IOM
Switch that selects whether loopback LB1, LB2 or LBBD is closed towards
U or towards IOM
the setting affects all test loops, LBBD, LB2 and LB1
an individual selection for LBBD, LB2, LB1 is not possible
0 =
1 =
H
H
6
0
6
0
transparent mode
non-transparent mode
’1’s are sent on the IOM
LB1, LB2, LBBD loops are closed towards IOM
LB1, LB2, LBBD loops are closed towards U
TRAN
®
S
5
0
5
-2
U/IOM
4
0
4
write
read*
156
®
-2 interface in the corresponding time-slot
)
/write
1
3
3
LBBD
C/I code input
2
2
®
Register Description
®
LB2
Address:
Address:
1
1
PEF 82902
2001-11-09
LB1
0
0
6E
70
H
H