876784 Intel, 876784 Datasheet - Page 52

• Manufacturer Part Number: 876784
• Manufacturer: Intel

Specifications of 876784

• Lead Free Status / RoHS Status: Compliant

Figure 2-1.
52
Interface Signals Block Diagram (Desktop Only)
SATA_CLKP, SATA_CLKN
GPIO[39:38, 34:32, 28:26,
25:24, 20, 18, 16:12, 10:6]
CPUPWRGD / GPIO[49]
DMI_CLKP, DMI_CLKN
PIRQ[H:E]# / GPIO[5:2]
REQ[4]# / GPIO[22]
GNT[4]# / GPIO[48]
GNT[5]# / GPIO[17]
OC[5]# / GPIO[29]
OC[6]# / GPIO[30]
OC[7]# / GPIO[31]
REQ[5]# / GPIO[1]
USBRBIAS#
USBP[7:0]P
USBP[7:0]N
PIRQ[D:A]#
INTVRMEN
EE_SHCLK
USBRBIAS
INIT3_3V#
EE_DOUT
SPI_MISO
SPI_MOSI
RTCRST#
C/BE[3:0]#
CPUSLP#
STPCLK#
A20GATE
REQ[3:0]#
GNT[3:0]#
DEVSEL#
SPI_ARB
SPI_CS#
SPI_CLK
OC[4:0]#
PCIRST#
SERIRQ
FRAME#
IGNNE#
PLOCK#
EE_DIN
AD[31:0]
IDEIRQ
PCICLK
FERR#
RTCX1
RTCX2
EE_CS
TP[2:1]
A20M#
CLK14
CLK48
TRDY#
STOP#
PERR#
SERR#
RCIN#
SPKR
IRDY#
PME#
INIT#
INTR
SMI#
NMI
TP0
TP3
PAR
EEPROM
Processor
Interface
Interface
Interface
Interface
Interrupt
Purpose
General
Signals
Clocks
Misc.
PCI
USB
RTC
SPI
I/O
Intel
Technology
Serial ATA
Definition
Express*
Interface
Interface
Firmware
Interface
Interface
Platform
Connect
Interface
AC '97/
Interface
Resume
System
SMBus
Power
Intel
Audio
Mgnt.
Media
Mgnt.
High
Direct
PCI
LPC
LAN
Hub
IDE
®
Quick
®
DCS1#
DCS3#
DA[2:0]
DD[15:0]
DDREQ
DDACK#
DIOR# (DWSTB / RDMARDY#)
DIOW# (DSTOP)
IORDY (DRSTB / WDMARDY#)
FWH[3:0] / LAD[3:0]
FWH[4] / LFRAME#
PETp[6:1], PETn[6:1]
PERp[6:1], PERn[6:1]
SATA[3:0]TXP, SATA[3:0]TXN
SATA[3:0]RXP, SATA[3:0]RXN
SATARBIAS
SATARBIAS#
SATA[3:0]GP/GPIO[37,36,21,19]
SATALED#
SATACLKREQ#/GPIO[35]
THRM#
THRMTRIP#
SYS_RESET#
RSMRST#
MCH_SYNC#
SLP_S3#
SLP_S4#
SLP_S5#
PWROK
PWRBTN#
RI#
WAKE#
SUS_STAT# / LPCPD#
SUSCLK
LAN_RST#
VRMPWRGD
PLTRST#
DMI[3:0]TXP, DMI[3:0]TXN
DMI[3:0]RXP, DMI[3:0]RXN
DMI_ZCOMP
DMI_IRCOMP
LAD[3:0] / FWH[3:0]
LFRAME# / FWH[4]
LDRQ[0]#
LDRQ[1]# / GPIO[23]
SMBDATA
SMBCLK
SMBALERT# / GPIO[11]
INTRUDER#
SMLINK[1:0]
LINKALERT#
LAN_CLK
LAN_RXD[2:0]
LAN_TXD[2:0]
LAN_RSTSYNC
EL_RSVD / GPIO26
EL_STATE[1:0] /
GPIO[28:27]
ACZ_RST#
ACZ_SYNC
ACZ_BIT_CLK
ACZ_SDOUT
ACZ_SDIN[2:0]
Intel
®
ICH7 Family Datasheet
Signal Description
Digital
Home
Only