845GL datasheet(149/193 Pages) INTEL

149 / 193 page

Intel® 82845G/82845GL/82845GV GMCH Datasheet

149

Electrical Characteristics

Hub Interface Signal Groups

(e)

Hub Interface

CMOS I/O

HI_[10:0], HISTBS, HISTBF

(f)

Hub Interface

Miscellaneous

HI_SWING, HI_VREF, HI_RCOMP

Host Interface Signal Groups

(g)

AGTL+ I/O

ADS#, BNR#, DBSY#, DINV_[3:0]#, DRDY#, HA_[31:3]#, HADSTB_[1:0]

#, HD_[63:0]#,HDSTBP_[3:0]#, HDSTBN_[3:0]#, HIT#, HITM#,

HREQ_[4:0]#

(h)

AGTL+ Input

HLOCK#

(i)

AGTL+ Output

BPRI#, BREQ0#, CPURST#, DEFER#, HTRDY#, RS_[2:0]#

(j)

Host Clock Input

HCLKP, HCLKN

(k)

Host Miscellaneous

HDVREF_[2:0], HA_VREF, HCC_VREF, HX_RCOMP, HY_RCOMP,

HX_SWING, HY_SWING

DDR Interface Signal Groups

(l)

DDR SSTL_2 I/O

SDQ_[63:0], SDQS_[7:0]

(m)

DDR SSTL_2 Output

SDM_[7:0], SCMDCLK_[5:0], SCMDCLK_[5:0]#, SMAA_[12:0],

SMAB_[5,4,2,1], SBA_[1:0], SRAS#, SCAS#, SWE#, SCS_[3:0]#,

SCKE_[3:0], SRCVEN_OUT#

(n)

DDR SSTL_2 Input

SRCVEN_IN#

(o)

DDR Miscellaneous

SMXRCOMP, SMYRCOMP, SM_VREF

SDR Interface Signal Groups

(p)

SDRAM LVTTL I/O

SDQ_[63:0]

(q)

SDRAM LVTTL Output SDM_[7:0], SMAA_[12:0], SBA_[1:0], SRAS#, SCAS#, SWE#, SCS[7:0]#,

SCK_[7:0], SCKE_[3:0], SRDCLK_OUT

(r)

SDRAM LVTTL Input

SRDCLK_IN

(s)

SDRAM Miscella-

neous

SMXRCOMP, SMYRCOMP, SM_VREF

DAC Signal Groups

(t)

Display LVTTL Output

VSYNC, HSYNC

(u)

Display Analog

Outputs

RED, GREEN, BLUE, RED#, GREEN#, BLUE#

(v)

Display Miscellaneous

REFSET

Intel® DVO Signal Groups

(w)

DVOx Input

DVOBC_CLKINT, DVOx_FLD/STL, DVOBC_INTR#

(x)

DVOx Output

DVOx_CLK, DVOx_CLK#, DVOx_D[11:0], DVOx_HSYNC,

DVOx_VSYNC, DVOx_BLANK#

Reset and Miscellaneous Signal Groups

(y)

CMOS I/O

GCLKIN, RSTIN#, PWROK, DREFCLK, DDCA_CLK, DDCA_DATA

Table 6-4. Signal Groups (Sheet 2 of 2)

Signal

Group

Signal Type

Signals

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