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Diagram
Bits
0
1
2
3
4
5
6
7
R
W
Reset
SW4[2]
0000000
Fields
Field
Function
0
VDD_SEL
VDD_SEL
If the voltage is changed, you need to enable REG_VDD_EN (0x10) register before writing the VDD_SEL
register.
VDD voltage control
0b: VDD 1.0 V (default value)
1b: VDD 0.9 V
1-7
-
Reserved
3.19 SFP+ Module Tx Enable Register (REG_SFP_TXEN)
Offset
Register
Offset
REG_SFP_TXEN
12h
Function
Use this register to control SFP+ module Tx enable.
Programming Model
QorIQ LS1046A Reference Design Board Reference Manual, Rev. 2, 30 May 2019
60
NXP Semiconductors