Datasheet

______________________________________________________________________________________ 21
MAX3945
1.0625Gbps to 11.3Gbps,
SFP+ Dual-Path Limiting Amplifier
Table 12. Register Map (continued)
REGISTER
FUNCTION/
ADDRESS
REGISTER
NAME
NORMAL
MODE
SETUP
MODE
BIT NUMBER/
TYPE
BIT NAME
DEFAULT
VALUE
NOTES
Receiver
Control
Register 2
Address =
H0x01
RXCTRL2
R RW 7 LOS2_EN 0
RSSI monitor-
based LOS
0: disabled
1: enabled when
LOS1_EN = 0
R RW 6 LOS1_EN 1
Rx input-based
LOS
0: disabled
1: enabled
R RW 5 LOS_POL 1
LOS polarity
0: inverse
1: normal
R RW 4 RX_POL 1
Rx polarity
0: inverse
1: normal
R RW 3 SQ_EN 0
Squelch
0: disabled
1: enabled
R RW 2 RX_EN 1
Rx control
0: disabled
1: enabled
R RW 1 RXDE_EN 0
Rx deemphasis
0: disabled
1: enabled
R RW 0 AZ_EN 1
Rx autozero
control
0: disabled
1: enabled
Receiver
Status
Register
Address =
H0x02
RXSTAT
R R 1 (sticky) POR_2d X
POR -> V
CC
low
limit violation
R R 0 (sticky) LOS_2d X
Copy of LOS
status