LPC47M172 SMSC Corporation, LPC47M172 Datasheet - Page 167
LPC47M172
Manufacturer Part Number
LPC47M172
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC Corporation
Datasheet
1.LPC47M172.pdf
(227 pages)
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SMSC LPC47M172
LED
Default = 0x03 on
VTR POR
Keyboard Scan
Code
Default = 0x00
Tach1 LSB
Default = 0x00 on
VTR POR
Tach1 MSB
Default = 0x00 on
VTR POR
Tach2 LSB
Default = 0x00 on
VTR POR
Tach2 MSB
Default = 0x00 on
VTR POR
nIO_PME Register
Default = 0x80 on
VTR POR
on VTR POR
NAME
REG OFFSET
(Type)
(R/W)
(R/W)
(R/W)
0x10
0x11
0x12
0x13
0x14
0x15
0x16
(R)
(R)
(R)
(R)
LED Register
Bit[0] GRN_YLW
0 = Select YLW_LED if nSLP_S5 if high
1 = Select GRN_LED if nSLP_S5 is high
Bit[1] SDY_BLK
0 = Blink at 0.67 Hz with 39.6% duty cycle (0.59375 sec high, 0.90625 low)
if nSLP_S5 is high
1 = Steady if nSLP_S5 is high
Bit[7:2] Reserved
Keyboard Scan Code
Bit[0] LSB of Scan Code
Bit[7] MSB of Scan Code
This register is least significant 8-bit of the 16-bit Fan Tachometer 1
reading.
Bit[0] FAN_TACH1 Reading Bit 0
…
Bit[7] FAN_TACH1 Reading Bit 7
This register is most significant 8-bit of the 16-bit Fan Tachometer 1
reading.
Bit[0] FAN_TACH1 Reading Bit 8
…
Bit[7] FAN_TACH1 Reading Bit 15
This register is least significant 8-bit of the 16-bit Fan Tachometer 2
reading.
Bit[0] FAN_TACH2 Reading Bit 0
…
Bit[7] FAN_TACH2 Reading Bit 7
This register is most significant 8-bit of the 16-bit Fan Tachometer 2
reading.
Bit[0] FAN_TACH2 Reading Bit 8
…
Bit[7] FAN_TACH2 Reading Bit 15
Bit[0] Reserved
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain (default)
0=Push Pull
. . .
. . .
. . .
DATASHEET
Page 167
DESCRIPTION
Advanced I/O Controller with Motherboard GLUE Logic
SMSC/Non-SMSC Register Sets (Rev. 02-27-04)
Datasheet
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