LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 24

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

3.3
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
Pins That Require External Resistors
The following pins require external resistors:
SER_IRQ
nLDRQ
LAD[3:0]
MCLK
MDAT
KCLK
KDAT
GA20M
KBDRST
nIO_PME
nHDSEL
nWGATE
nWDATA
nSTEP
nDIR
nDS0
nMTR0
DRVDEN1
DRVDEN0
nDSKCHG
nRDATA
nWRTPRT
nTRK0
nINDEX
REF5V
REF5V_STBY
nIDE_RSTDRV
nPS_ON
nBACKFEED_CUT
SCK_BJT_GATE
nCDC_DWN_ENAB
YLW_LED
nHD_LED
DDCSDA_3V
DDCSCL_3V
DDCSDA_5V
DDCSCL_5V
SMB_CLK_M
SMB_CLK_R
SIGNAL NAME
Table 3.3 – Pins that Require External Resistors
DATASHEET
10 kohm
100 kohm
100 kohm
2.7 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
10 kohm
1 kohm
1 kohm
1 kohm
1 kohm
10 kohm
1 kohm
1 kohm
1 kohm
1 kohm
1 kohm
1 kohm
10 kohm
220 ohm
330 ohm
4.7 kohm
4.7 kohm
2.2 kohm
2.2 kohm
2.7 kohm
2.7 kohm
RESISTOR VALUE
24
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC
Pull-up to VREG_PS2. The
VREG_PS2 is the voltage
regulator for the PS/2 ports.
Pull-up to VCC
Pull-up to VCC
Pull-up to VTR
Pull-up required if used as
Open-Drain Output.
Pull-up to VCC.
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC5V
Pull-up to V_5P0_STBY
Pull-up to VCC5V
Pull-up to V_5P0_STBY
Pull-up to V_5P0_STBY
Pull-up to V_5P0_STBY
Pull-down to VSS
Pull-up to VTR
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC
Pull-up to VCC5V
Pull-up to VCC5V
Pull-up to VCC
Pull-up to VTR
Advanced I/O Controller with Motherboard GLUE Logic
NOTES
SMSC LPC47M182
Datasheet