82575EB Datasheet, PDF (47/62 Pages) Intel Corporation – Intel® 82575EB Gigabit Ethernet Controller Datasheet

Pull-up and Pull-down Specifications and Signals — Intel^® 82575EB Gigabit Ethernet Controller
Table 12.
Internal Pull-up and External Pull Up Requirements
Signal Name
PE_WAKE_N
PE_RST_N
FLSH_SI
FLSH_SO
FLSH_SCK
FLSH_CE_N
EE_DI
EE_DO
EE_SK
EE_CS_N
SMBD
SMBCLK
SMBALRT_N
NCSI_CLK_IN
NCSI_CLK_OUT
NCSI_CRS_DV
NCSI_RXD[1:0]
NCSI_TX_EN
NCSI_TXD[1:0]
SDP0[3:0]
SDP1[3:0]
DEV_OFF_N
MAIN_PWR_OK
SRDS_0_SIG_DET
SRDS_1_SIG_DET
SFP0_I2C_CLK
SFP0_I2C_DATA
SFP1_I2C_CLK
Power up
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
Y
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
Active
Disable
N
N
N
N
N
Y
Y
Y
N
Y
N
Y
N
Y
Y
Y
N
Y
N
Y
N
N
N
N
N
N
N
N
N
N
N
N
External
Recomended?
Y
N
N
N
N
Y
N
N
N
Y
Y
Y
Y
N
N
Y
N
N
Y
N
N
N
N
N
N
Y
N
N
Y
N
N
N
N
Must be connected
on board
N
N
Must be connected
on board
N
N
Must be connected
externally
N
N
Must be connected
externally
N
Y
Y if active
N
N
Y
N
Y
Y if active
Notes
Pull down only if NCSI is NOT
being used or configured for multi
drop
Pull Up only if NCSI is NOT being
used or configured for multi drop
Should be connected to external
PD if NCSI is NOT used
Should be connected to external
PD if NCSI is NOT used
If used.
If used.
If used.
317679-004
Revision: 2.11
January 2011
Intel^® 82575EB Gigabit Ethernet Controller
Datasheet
47