MAX3799 Maxim Integrated Products, MAX3799 Datasheet - Page 32

• Manufacturer Part Number: MAX3799
• Description: SFP+ Multirate Limiting Amplifier And VCSEL Driver
• Manufacturer: Maxim Integrated Products

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1Gbps to 14Gbps, SFP+ Multirate Limiting
Amplifier and VCSEL Driver
Table 7. Register Summary (continued)
32
Bias Current
Increment Setting
Register
Address = H0x0D
Mode Control
Register
Address = H0x0E
Transmitter Pulse-
Width Control
Register
Address = H0x0F
Transmitter
Deemphasis
Control Register
Address = H0x10
FUNCTION/
REGISTER
ADDRESS
______________________________________________________________________________________
MODECTRL
REGISTER
SET_TXDE
BIASINC
PWCTRL
NAME
SET_
NORMAL
MODE
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
R
R
R
R
R
R
R
R
SETUP
MODE
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
NUMBER
/TYPE
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
3
2
1
0
3
2
1
0
SET_PWCTRL[3]
SET_PWCTRL[2]
SET_PWCTRL[1]
SET_PWCTRL[0]
MODECTRL[7]
MODECTRL[6]
MODECTRL[5]
MODECTRL[4]
MODECTRL[3]
MODECTRL[2]
MODECTRL[1]
MODECTRL[0]
SET_IBIAS[0]
SET_TXDE[3]
SET_TXDE[2]
SET_TXDE[1]
SET_TXDE[0]
BIASINC[4]
BIASINC[3]
BIASINC[2]
BIASINC[1]
BIASINC[0]
BIT NAME
X
X
DEFAULT
VALUE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
LSB of SET_IBIAS DAC
register address = H0x08
MSB bias DAC two’s
complement
LSB bias DAC two’s
complement
MSB mode control
LSB mode control
MSB Tx pulse-width control
LSB Tx pulse-width control
MSB Tx deemphasis
LSB Tx deemphasis
NOTES