XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
TABLE 145: MICROPROCESSOR
R
EGISTER #558 BIT
D
ESCRIPTION
R
EGISTER ADDRESS
C
HANNEL_0
R
EGISTER
YPE
R
VALUE
ESET
0X0F02H
F
UNCTION
T
B
IT
#
NAME
D2
LOOP2_n
Loop-Back control bit 2: This bit together with the LOOP1
and LOOP0 bits control the Loop-Back modes of the LIU sec-
tion of the chip according to the following table:
LOOP2
LOOP1
LOOP0
Loop-Back Mode
No Loop-Back
0
1
1
1
1
X
0
0
1
1
X
0
1
0
1
Dual Loop-Back
Analog Loop-Back
Remote Loop-Back
Digital Loop-Back
D1
D0
LOOP1_n
LOOP0_n
Loop-Back control bit 1: See description of bit D2 for the
function of this bit.
R/W
R/W
0
0
Loop-Back control bit 0: See description of bit D2 for the
function of this bit.
125
EXAR [ EXAR CORPORATION ]
