82801BA Datasheet, PDF (443/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Table 16-2. DC Characteristic Input Signal Association (Continued)
Symbol
V_IH3/V_IL3
V_IH4/V_IL4
V_IH5/V_IL5
V_IL6/V_IH6
V_IL7/V_IH7
V_IL8/V_IH8
V_DI / V_CM / V_SE
V_IL9/V_IH9
Associated Signals
LPC/FWH Signals: LDRQ[1:0]#, LAD[3:0]/FWH[3:0].
System Management Signals: SMBALERT#/GPIO[11]
EEPROM Signals: EE_DIN
AC’97 Signals: AC_BITCLK, AC_SDIN[1:0], AC_SYNC
ICH2 (82801BA):
Power Management Signals: PME#, PWRBTN#, RI#, RSM_PWROK, RTCRST#,
THRM#, VRMPWRGD
GPIO Signals: GPIO[25:24, 13:12, 8]
ICH2-M (82801BAM):
Power Management Signals: BATLOW#, CLKRUN#, PME#, PWRBTN#, RI#,
LAN_PWROK, RTCRST#, THRM#, VRMPWRGD/VGATE
GPIO Signals: GPIO[25, 13:12, 8]
Clock Signals: APICCLK
SMBus Signals: SMBCLK, SMBDATA
System Management Signals: INTRUDER#, SMLINK[1:0]
Power Management Signals: RSMRST#, PWROK,
GPIO Signals: GPIO[28:27]
LAN Signals: LAN_RXD[2:0]
Processor Signals: FERR#, APICD[1:0]
Hub Interface Signals: HL[11:0], HL_STB#, HL_STB
USB Signals: USBP[1:0][P,N]
RTCX1
Table 16-3. DC Input Characteristics
Symbol
V_IL1
V_IH1
V_IL2
V_IH2
V_IL3
V_IH3
V_IL4
V_IH4
V_IL5
V_IH5
V_IL6
V_IH6
V_IL7
V_IH7
Parameter
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
Input Low Voltage
Input High Voltage
V_IL8
Input Low Voltage
Min.
-0.5
2.0
-0.5
2.0
-0.5
0.5Vcc3_3
-0.5
1.7
-0.5
2.1
-0.5
0.6Vcc3_3
-0.5
1.2
-0.5
Max
0.8
V5REF + 0.5
0.8
Vcc3_3 + 0.5
0.3Vcc3_3
Vcc3_3 + 0.5
0.7
2.625
0.6
VccSus3_3 + 0.5
0.3Vcc3_3
Vcc3_3 + 0.5
0.6
Vcc3_3 + 0.5
HUBREF - 0.15
HUBREF - 0.20
Unit
Notes
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Normal Mode
V
Enhanced Mode
82801BA ICH2 and 82801BAM ICH2-M Datasheet
16-3