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Broadcom NetXtreme/NetLink BCM5718 Series User Manual

Broadcom NetXtreme/NetLink BCM5718 Series
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Central Power Management Unit (CPMU) RegistersBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 5718-PG108-R Page 405
Top Level Miscellaneous Control 1 Register (offset: 0x367C)
For BCM5719/5720 only. This register is reset by POR Reset or CPMU Register Software Reset. This register
is shared by 4 MAC ports. User must first gain grant from the global MUTEX registers (0x36F0 & 0x36F4) before
writing to this register.
Name Bits Access
Default
Value
Description
Reserved 31:6 RW 0
Low power IDDQ mode 5 RW 0 1Enable to put all ports in GPHY mode during
low power IDDQ to select GPHY mode to save
power.
0SerDes mode in low power IDDQ mode by
default, draws more current
NCSI Clock output disable 4 RW 0 1To enable the NCSI clock disable feature,
NCSI clock signal pin is driven low
0–NCSI clock output active (default)
47147 fix disable 3 RW 0 47147 fix disablePCIe MDIO reset fix disable.
1Disable
0Enable
47173 fix disable 2 RW 0 47173 fix disableCLKREQ_L tri-state fix
disable.
1Disable
0Enable
Debug UART Port Selection 1 RW 0 Select the Debug UART Port.
00: port0
01: port1
10: port2
11: port3

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Broadcom NetXtreme/NetLink BCM5718 Series Specifications

General IconGeneral
BrandBroadcom
ModelNetXtreme/NetLink BCM5718 Series
CategoryController
LanguageEnglish

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