MAX3799 Maxim Integrated Products, MAX3799 Datasheet - Page 21

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

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Table 5. Register Descriptions and Addresses
Figure 4. Timing for 3-Wire Digital Interface
CSEL
CSEL
SDA
SDA
SCL
SCL
WRITE MODE
READ MODE
ADDRESS
H0x0A
H0x0B
H0x0C
H0x0D
H0x00
H0x01
H0x02
H0x03
H0x04
H0x05
H0x06
H0x07
H0x08
H0x09
H0x0E
H0x0F
H0x10
t
t
1Gbps to 14Gbps, SFP+ Multirate Limiting
L
L
A6
A6
______________________________________________________________________________________
t
t
CH
CH
0
0
t
t
CL
CL
A5
A5
1
1
t
t
DS
DS
A4
A4
2
2
SET_PWCTRL
MODECTRL
A3
A3
SET_IBIAS
SET_IMOD
IMODMAX
IBIASMAX
SET_TXDE
t
t
RXCTRL1
RXCTRL2
SET_CML
3
DH
3
DH
SET_LOS
TXSTAT1
TXSTAT2
MODINC
BIASINC
RXSTAT
TXCTRL
NAME
A2
A2
4
4
A1
A1
5
5
Amplifier and VCSEL Driver
A0
A0
6
6
Receiver Control Register 1
Receiver Control Register 2
Receiver Status Register
Output CML Level Setting Register
LOS Threshold Level Setting Register
Transmitter Control Register
Transmitter Status Register 1
Transmitter Status Register 2
Bias Current Setting Register
Modulation Current Setting Register
Maximum Modulation Current Setting Register
Maximum Bias Current Setting Register
Modulation Current Increment Setting Register
Bias Current Increment Setting Register
Mode Control Register
Transmitter Pulse-Width Control Register
Transmitter Deemphasis Control Register
RWN
RWN
7
7
D7
8
8
D7
D6
9
9
D6
t
D
D5
10
10
D5
D4
11
11
D4
FUNCTION
D3
12
12
D3
D2
13
13
D2
D1
14
14
D1
D0
15
15
D0
t
t
T
T
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