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AMD SP5100 Databook
44409 Rev. 1.70 October 10
26
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
Power
Manage-
ment
SLP_S2/
GPM9#
Integrated 10 K
Pull-down
PM2_Rg F8h
Default: Pull-down
enabled
PWR_BTN#
Integrated 10 K
Pull-up
—
PWR_GOOD
Integrated 10 K
Pull-up
—
TEST[1:0]
Integrated 10 K
Pull-down
—
TEST2
Integrated 10 K
Pull-down
—
RTCCLK
Integrated 10 K
Pull-up
PM_Reg: 0Eh
Default: Pull-up
enabled.
FANOUT0/GPIO3
Integrated 10 K
Pull-up
—
FANOUT1/GPIO48
Integrated 8.2 K
Pull-up
—
FANOUT2/GPIO49
Integrated 8.2 K
Pull-up
—
RSMRST#
Integrated 10 K
Pull-up
—
General
Events/
GPM/
GPIO
RI#/EXTEVNT0#
Integrated 10 K
Pull-up
PM2_Rg F5h
Default: Pull-up
enabled
LPC_SMI#/EXTEVNT1#
Integrated 8.2 K
Pull-up
PM2_Rg F5h
Default: Pull-up
enabled
SMBALERT#/THRMTRIP#/
GEVENT2#
Integrated 10 K
Pull-up
PM2_Rg F3h
Default: Pull-up
enabled
LPC_PME#/GEVENT3#
Integrated 10 K
Pull-up
PM2_Rg F3h
Default: Pull-up
enabled
PCI_PME#/GEVENT4#
Integrated 10 K
Pull-up
PM2_Rg F4h
Default: Pull-up
enabled
S3_STATE/GEVENT5#
GEVENT5#: Integrated
10 K
S3_STATE: Push/Pull
Pull-up
PM2_Rg F4h
Default: Pull-up
enabled
USB_OC6#/GEVENT6#
Integrated 10 K
Pull-up
PM2_Rg F4h
Default: Pull-up
enabled
GEVENT7#
Integrated 10 K
Pull-up
PM2_Rg F4h
Default: Pull-up
enabled
WAKE#/GEVENT8#
Integrated 10 K
Pull-up
PM2_Rg F5h
Default: Pull-up
enabled
USB_OC0#/GPM0#
Integrated 10 K
Pull-up
PM2_Rg F6h
Default: Pull-up
enabled
USB_OC1#/GPM1#
Integrated 10 K
Pull-up
PM2_Rg F6h
Default: Pull-up
enabled
USB_OC2#/GPM2#
Integrated 10 K
Pull-up
PM2_Rg F6h
Default: Pull-up
enabled