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AMD SP5100 Databook
44409 Rev. 1.70 October 10
28
Integrated Resistor and External Pull-up/Pull-down Resistor
Requirements
Interface
Signal Name
Value of
Integrated / External
Resistor
Resistor Type
Register for
programming the
integrated PU/PD
SPI_DO/GPIO11
Integrated 10 K
Pull down
PM2_Rg E2h
Default: Pull-down
Enabled
SPI_DI/GPIO12
Integrated 10 K
Pull down
PM2_Rg E3h
Default: Pull-down
Enabled
LAN_RST#/GPIO13
Integrated 8.2 K
See
Note
PM2_Rg E3h
Default: Pull-up/Pull-
down not enabled
ROM_RST#/GPIO14
Integrated 10 K
See
Note
PM2_Rg E3h
Default: Pull-up/Pull-
down not enabled
IDE_D0/FC_ADQ0/GPIO15
Integrated 27
Ω
Series
PM2_Rg E3h
Default: Pull-up/Pull-
down not enabled
IDE_D1/FC_ADQ1/GPIO16
Integrated 27
Ω
Series
PM2_Rg E4h
Default: Pull-up/Pull-
down not enabled
IDE_D2/FC_ADQ2/GPIO17
Integrated 27
Ω
Series
PM2_Rg E4h
Default: Pull-up/Pull-
down not enabled
IDE_D3/FC_ADQ3/GPIO18
Integrated 27
Ω
Series
PM2_Rg E4h
Default: Pull-up/Pull-
down not enabled
IDE_D4/FC_ADQ4/GPIO19
Integrated 27
Ω
Series
PM2_Rg E4h
Default: Pull-up/Pull-
down not enabled
IDE_D5/FC_ADQ5/GPIO20
Integrated 27
Ω
Series
PM2_Rg E5h
Default: Pull-down
not enabled
IDE_D6/FC_ADQ6/GPIO21
Integrated 27
Ω
Series
PM2_Rg E5h
Default: Pull-up/Pull-
down not enabled
IDE_D7/FC_ADQ7/GPIO22
Integrated 27
Ω
+
integrated 10 K
Pull-
down
PM2_Rg E5h
Default: Pull-down
not enabled
IDE_D8/FC_ADQ8/GPIO23
Integrated 27
Ω
Series
PM2_Rg E5h
Default: Pull-down
not enabled
IDE_D9/FC_ADQ9/GPIO24
Integrated 27
Ω
Series
PM2_Rg E6h
Default: Pull-down
not enabled
IDE_D10/FC_ADQ10/GPIO25
Integrated 27
Ω
Series
PM2_Rg E6h
Default: Pull-down
not enabled
IDE_D11/FC_ADQ11/GPIO26
Integrated 27
Ω
Series
PM2_Rg E6h
Default: Pull-down
not enabled
IDE_D12/FC_ADQ12/GPIO27
Integrated 27
Ω
Series
PM2_Rg E6h
Default: Pull-down
not enabled