Gpio; Table 7. Ich Gpios - Intel Atom N270 User Manual

Theory of Operation
3.7.10

GPIO

Table 7. ICH GPIOs

GPIOx
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
GPIO13
GPIO14
GPIO15
GPIO16
GPIO17
GPIO18
GPIO19
GPIO20
GPIO21
GPIO22
Developer's Kit User Manual
CRB Signal
PM_BMBUSY#
PCI_REQ#5
INT_PIRQE#
INT_PIRQF#
INT_PIRQG#
INT_PIRQH#
No connect
FP_AUD_DETECT
No connect
IDE_PDIAG1
No connect
SMB_ALERT#
LAN_ISOLATE#
PCI_PME#
No connect
PM_DPRSLPVR R
PCI_GNT#5
PM_STPPCI_ICH#
SATA1_R1
PM_STPCPU_ICH#
SATA0_R0
PCI_REQ#4
Notes
Bus master busy signal
BIOS Config
Mobile only signal – used to lower the voltage of VRM
during C4 state.
Pull down site STUFFED - SPI boot mode
PCI clock stop used to support PCICLKRUN# protocol –
Mobile only
Mobile only – output to stop CPU clock during c3 state.
Pulled up
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