S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
Register 0x002: Global Configuration
Bit
15:8
7
6
5
4
3
2
1
Type
Function
Unused
CHAN_CD
MAX_DCB_DEPTH
CTSCLK_SEL
LINE_EN
LINE_LOOP
U2U_LOOP
LINE_MODE
Reserved
Default
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
LINE_MODE
Enables the selected line interface mode.
0) Disabled (all line Interface signals are tristated) .
1) Clock/Data Mode.
U2U_LOOP
When set, all cells received by the Any-PHY/UTOPIA Interface are sent back out to the
Any-PHY/UTOPIA (regardless of single- or multi-addressing mode). For proper operation,
if the Receive interface is in multi address UTOPIA mode, the Transmit Interface must also
be in UTOPIA Mode.
0) Any-PHY/UTOPIA in normal mode.
1) Any-PHY/UTOPIA in remote loopback mode.
LINE_LOOP
When set, all cells received by the Clock/Data interface are sent back out to the Clock/Data
interface.
0) Line Side in normal mode.
1) Line Side remote loopback mode.
LINE_EN
When LINE_EN is set, line side traffic flow is enabled. This configuration bit should be
written to a one after the LINE_MODE has been configured and prior to normal operation.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
98
PMC [ PMC-SIERRA, INC ]
