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INTEL82801 Datasheet(PDF) 4 Page - Intel Corporation |
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INTEL82801 Datasheet(HTML) 4 Page - Intel Corporation |
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4 / 414 page  iv 82801AA and 82801AB Datasheet Intel® 82801AA (ICH) and Intel® 82801AB (ICH0) Simplified Block Diagram Interrupt AD[31:0] C/BE[3:0]# DEVSEL# FRAME# IRDY# TRDY# STOP# PAR (ICH) PERR#/GPIO7 REQ[0:3]# (ICH) REQ[4]# (ICH) REQ5#/REQB#/GPIO1 REQA# GNT[0:3]# (ICH) GNT[4]# (ICH) GNT5#/GNTB#/GPIO17 GNTA# PCICLK PCIRST# PLOCK# SERR# PME# A20M# CPUSLP# FERR# IGNNE# INIT# INTR NMI SMI# STPCLK# RCIN# A20GATE CPU Interface PCI Interface USB SERIRQ PIRQ[A:D]# IRQ[14:15] APICCLK APICD[1:0] USBP1P USBP1N USBP0P USBP0N OC[1:0]# RTCX1 RTCX2 VBIAS CLK14 CLK48 CLK66 RTC Clocks Misc. Signals SPKR RTCRST# PDCS1# SDCS1# PDCS3# SDCS3# PDA[2:0] SDA[2:0] PDD[15:0] SDD[15:0] PDDREQ SDDREQ PDDACK# SDDACK# PDIOR# SDIOR# PDIOW# SDIOW# PIORDY SIORDY IDE Interface HL[10:0] (ICH0); HL11:0] (ICH) HL_STB HL_STB# HLCOMP Hub Interface LPC Interface SMBus Interface THRM# SLP_S3/GPIO24 SLP_S5# PWROK PWRBTN# RI# RSMRST# SUS_STAT#/GPIO25 SUSCLK/GPIO26 (ICH) Power Mgnt AC_RST# AC_SYNC AC_BIT_CLK AC_SDOUT AC_SDIN0 AC_SDIN1/GPIO9 AC'97 Link Firmware Hub System Mgnt General Purpose I/O FWH[3:0]/LAD[3:0] FWH[4]/LFRAME# LAD[3:0]/FWH[4] LFRAME#/FWH[4] LDRQ[0]# LDRQ[1]#/GPIO[8] SMBDATA SMBCLK SMBALERT#/GPIO[11] INTRUDER# ALERTCLK/GPIO[27] (ICH) ALERTDATA/GPIO[28] (ICH) GPIO[0,1,5:13] GPIO[16,17, 21:26] GPIO[27:28] Note 1. Shaded areas: PERR#, REQ[4,5]#, GNT[4,5]#, HL[11], SUSCLK, ALERTCLK, and ALERTDATA are ICH (82801AA) Signals only. The associated GPIOx signals are multiplexed on the ICH and are non-multiplexed on ICH0. 2. General Purpose I/O Unit. Some GPIO signals are multiplexed with signals in other functional units. |
Similar Part No. - INTEL82801 |
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Similar Description - INTEL82801 |
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