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LPC47M182 Datasheet(PDF) 24 Page - SMSC Corporation

Part # LPC47M182
Description  ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
PDF  223 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47M182 Datasheet(HTML) 24 Page - SMSC Corporation

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



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