EP80579 Datasheet, PDF (1566/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
38.4.1.8 Offset 0x00000054h: GCU_LEB_RC_CTRL - GCU Local Expansion Bus
RCOMP Control Register
Table 38-10. Offset 0x00000054h: GCU_LEB_RC_CTRL - GCU Local Expansion Bus RCOMP
Control Register
Description: RCOMP Control for GbE Bus outputs.
View: PCI
BAR: CSRBAR
Bus:Device:Function: M:3:0
Offset Start: 00000054h
Offset End: 00000057h
Size: 32 bit
Default: 000030F301h
Power Well: Core
Bit Range
31
30
29
28
27
26
25
24
23 :20
19 12
11 8
70
Bit Acronym
Bit Description
Sticky
SW_RST
Software reset
Write ‘1’ to reset.
Write ‘0’ to enable operation
OVR_WR Overwrite output bus values from special register
CMP
For overwrite comparator output
CMPO_WR For overwrite comparator output (select)
CMPO_RD For test comparator output
MNTR
Bypass the update logic system
STOP
"Freeze" output bus, but circuit operation continue
DIV_BPS Bypass internal clock divider
DN_TST_11_8
Pull down strength bits [11:8]. Each bit enables 5 unit
pull-down drivers in the output pad.
DN_TST_7_0
Pull down strength bits [7:0]. Each bit enables 1 unit
pull-down driver in the output pad.
UP_TST_11_8
Pull up strength bits [11:8]. Each bit enables 5 unit pull-
up drivers in the output pad.
UP_TST_7_0
Pull up strength bits [7:0]. Each bit enables 1 unit pull-
up driver in the output pad.
Bit Reset
Value
0h
0h
0h
0h
0h
0h
0h
0h
3h
0Fh
3h
01h
Bit Access
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
38.4.1.9 Offset 0x00000060h: SSP_DRIVE - SSP Drive Register
Table 38-11. Offset 0x00000060h: SSP_DRIVE - SSP Drive Register
Description: Drive Control of SSP outputs.
View: PCI
BAR: CSRBAR
Bus:Device:Function: M:3:0
Offset Start: 00000060h
Offset End: 00000063h
Size: 32 bit
Default: 02000200h
Power Well: Core
Bit Range Bit Acronym
Bit Description
31 :30
29 :28
27 :24
23 :16
RSVD
Reserved
RSVD
Reserved
mdio_nchan_5x Drive strength for N-channel at 5x ratio
mdio_nchan_1x Drive strength for N-channel at 1x ratio
Sticky
Bit Reset
Value
0h
0h
02h
0h
Bit Access
RV
RV
RW
RW
Intel^® EP80579 Integrated Processor Product Line Datasheet
1566
August 2009
Order Number: 320066-003US