Intel 6 SERIES CHIPSET - DATASHEET 01-2011 - 3 PCH Pin States; Integrated Pull-Ups and Pull-Downs; Integrated Pull-Up and Pull-Down Resistors

Datasheet 93
PCH Pin States
3 PCH Pin States
3.1 Integrated Pull-Ups and Pull-Downs
Table 3-1. Integrated Pull-Up and Pull-Down Resistors (Sheet 1 of 2)
Signal Resistor Type Nominal Notes
CL_CLK1
Pull-up/Pull-
down
32/100 13, 21
CL_DATA1
Pull-up/Pull-
down
32/100 13, 21
CLKOUTFLEX[3:0]/GPIO[67:64] Pull-down 20K 1, 16
GPIO15 Pull-down 20K 2
HDA_SDIN[3:0] Pull-down 20K 2
HDA_SYNC, HDA_SDO Pull-down 20K 2, 7
GNT[3:1]#/GPIO[55,53,51], Pull-up 20K 3, 11, 12
GPIO8 Pull-up 20K 3, 20
LAD[3:0]# / FWH[3:0]# Pull-up 20K 3
LDRQ0#, LDRQ1# / GPIO23 Pull-up 20K 3
DF_TVS Pull-down 20k 13
PME# Pull-up 20K 3
INIT3_3V# Pull-up 20K 3
PWRBTN# Pull-up 20K 3
SPI_MOSI Pull-down 20K 3, 7
SPI_MISO Pull-up 20K 3
SPKR Pull-down 20K 3, 15
TACH[7:0]/GPIO[71:68,7,6,1,17] Pull-up 20K
3 (only on
TACH[7:0])
USB[13:0] [P,N] Pull-down 20K 5
DDP[D:C]_CRTLDATA Pull-down 20K 3, 15
SDVO_CTRLDATA,L_DDC_DATA Pull-down 20K 3, 15
SDVO_INTP, SDVO_INTN Pull-down 50 26
SDVO_TVCLKINP, SDVO_TVCLKINN Pull-down 50 26
SDVO_STALLP, SDVO_STALLN Pull-down 50 26
BATLOW#/GPIO72 Pull-up 20K 3
CLKOUT_PCI[4:0] Pull-down 20K 1, 16
GPIO27 Pull-up 20K 3, 22
JTAG_TDI, JTAG_TMS Pull-up 20K 1, 17
JTAG_TCK Pull-down 20K 1, 18
GPIO28 Pull-up 20K 3, 20