SI5040-D-GM Silicon Laboratories Inc, SI5040-D-GM Datasheet - Page 41

• Manufacturer Part Number: SI5040-D-GM
• Description: IC TXRX XFP 10GBPS 32LGA
• Manufacturer: Silicon Laboratories Inc

Specifications of SI5040-D-GM

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Register 2. ChipConfig1
Reset settings = 0101 1000
Bit
7
6
5
4
3
2
1
0
Name
Type
Bit
losOpenDrain
spiOpenDrain
intOpenDrain
XFILoopback
refClkFreq
Reserved
Loopback
intEnable
lineside
Name
losOpenDrain
R/W
D7
RX LOS Output Select.
0 = CMOS output.
1 = Open Drain.
Interrupt Pin Drive Select.
0 = CMOS output.
1 = Open Drain.
Interrupt Enable.
0 = Interrupts disabled.
1 = Interrupts enabled.
SD Pin Drive Configuration.
0 = CMOS.
1 = Open Drain.
Do not change. Must only write a 1 to this bit.
Lineside Loopback Mode Control.
0 = Normal operation.
1 = Optical data loopback.
XFI Loopback Mode Control.
0 = Normal operation.
1 = XFI loopback.
Reference Clock Frequency Select.
0 = 155 MHz.
1 = 622 MHz.
intOpenDrain
R/W
D6
intEnable
R/W
D5
Rev. 0.86
spiOpenDrain
R/W
D4
Function
Reserved
R/W
D3
Loopback
lineside
R/W
D2
Loopback
R/W
XFI
D1
Si5040
refClkFreq
R/W
D0
41