xr
XRT91L80
REV. 1.0.0
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
37
TABLE 17: MICROPROCESSOR REGISTER 0X3EH BIT DESCRIPTION
TABLE 18: MICROPROCESSOR REGISTER 0X3FH BIT DESCRIPTION
DEVICE "ID" REGISTER (0X3EH)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
D6
D5
D4
D3
D2
D1
D0
Device "ID" The device "ID" of the XRT91L80 LIU is 0xC0h. Along with the
revision "ID", the device "ID" is used to enable software to identify
the silicon adding flexibility for system control and debug.
RO
1
0
REVISION "ID" REGISTER (0X3FH)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
D6
D5
D4
D3
D2
D1
D0
Revision
"ID"
The revision "ID" of the XRT91L80 LIU is used to enable software
to identify which revision of silicon is currently being tested. The
revision "ID" for the first revision of silicon (Revision A) will be
0x01h.
RO
This byte
shows the
revision of
the device.