82801BA Datasheet, PDF (444/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Table 16-3. DC Input Characteristics
Symbol
Parameter
V_IH8
Input High Voltage
V_DI
V_CM
V_SE
V_IL9
V_IH10
Differential Input
Sensitivity
Differential Common
Mode Range
Single-Ended
Receiver Threshold
Input Low Voltage
Input High Voltage
NOTES:
1. V_DI = | USBPx[P] - USBPx[N] |
2. Includes V_DI range.
Min.
HUBREF + 0.15
HUBREF + 0.20
0.2
0.8
0.8
-0.5
0.40
Max
Vcc1_8 + 0.5
2.5
2.0
0.10
2.0
Unit
Notes
Normal Mode
V
Enhanced Mode
V
Note 1
V
Note 2
V
V
V
Table 16-4. DC Characteristic Output Signal Association
Symbol
V_OH1/V_OL1
V_OH2/V_OL2
V_OH3/V_OL3
V_OH4/V_OL4
V_OL5/V_OH5
V_OL6/V_OH6
V_OL7/V_OH7
V_OL8/V_OH8
Associated Signals
IDE Signals: PDD[15:0], SDD[15:0], PDIOW#/PDSTOP, SDIOW#/SDSTOP, PDIOR#/
PDWSTB/PRDMARDY, SDIOR#/STWSTB/SRDMARDY, PDDACK#, SDDACK#,
PDA[2:0], SDA[2:0], PDCS[3,1]#, SDCS[3,1]#
Processor Signals: A20M#, CPUPWRGD, CPUSLP#, IGNNE#, INIT#, INTR, NMI,
SMI#, STPCLK#
PCI Signals: AD[31:0], C/BE[3:0]#, PCIRST#, GNT[4:0]#, PAR, DEVSEL#, PERR#,
PLOCK#, STOP#, TRDY#, IRDY#, FRAME#, SERR#
Interrupt Signals: SERIRQ, PIRQ[D:A]#, PIRQ[H]#, PIRQ[G:F]#/GPIO[4:3], PIRQ[E]#
PCI Signals: GNT5#/GNTB#/GPIO17, GNTA#/GPIO16
LPC/FWH Signals: LAD[3:0]/FWH[3:0], LFRAME#/FWH[4]
AC’97 Signals: AC_RST#, AC_SDOUT, AC_SYNC
LAN Signals: LAN_RSTSYNC, LAN_TXD[2:0]
ICH2 (82801BA):
Power Management Signals: PME#
GPIO Signals: GPIO[21]
ICH2-M (82801BAM):
Power Management Signals: PME#, C3_STAT#
SMBus Signals: SMBCLK, SMBDATA
System Management Signals: SMLINK[1:0]
Interrupt Signals: APICD[1:0]
EEPROM Signals: EE_CS, EE_DOUT, EE_SHCLK
Other Signals: SPKR]
ICH2 (82801BA):
Power Management Signals: SLP_S3#, SLP_S5#, SUS_STAT#, SUSCLK
GPIO Signals: GPIO[25:22, 20:18]
ICH2-M (82801BAM):
GPIO Signals: GPIO[25]
USB Signals: USBPO[P:N], USBP1[P:N]
Hub Signals: HL[11:0], HL_STB#, HL_STB
16-4
82801BA ICH2 and 82801BAM ICH2-M Datasheet