DS1878T+T Maxim Integrated Products, DS1878T+T Datasheet - Page 89
DS1878T+T
Manufacturer Part Number
DS1878T+T
Description
Current Mode PWM Controllers SFP+ Controller w/ MAX3946&3945
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1878TTR.pdf
(98 pages)
Specifications of DS1878T+T
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Table 02h, Register F5h: TXCTRL2
Table 02h, Register F6h: TXCTRL3
F5h
F6h
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. The writing of this register is enabled using EXCTRL[1:0]. After either V
(after a POR event), the Maxim laser driver TX_POR bit is set high (visible in 3W TXSTAT1, Bit 7), or on a rising
edge of TXD, this value is written to a Maxim laser driver through the 3-wire interface.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. The writing of this register is enabled using EXCTRL[1:0]. After either V
(after a POR event), the Maxim laser driver TX_POR bit is set high (visible in 3W TXSTAT1, Bit 7), or on a rising
edge of TXD, this value is written to a Maxim laser driver through the 3-wire interface.
BIT 7
BIT 7
______________________________________________________________________________________
2
2
7
7
2
2
6
6
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
2
2
5
5
2
2
4
4
2
2
3
3
2
2
2
2
2
2
1
1
CC
CC
exceeds POA
exceeds POA
BIT 0
BIT 0
2
2
0
0
89
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